CN107482310A - A kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna - Google Patents
A kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna Download PDFInfo
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- CN107482310A CN107482310A CN201710725239.9A CN201710725239A CN107482310A CN 107482310 A CN107482310 A CN 107482310A CN 201710725239 A CN201710725239 A CN 201710725239A CN 107482310 A CN107482310 A CN 107482310A
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- 230000005611 electricity Effects 0.000 title claims abstract description 65
- 238000010586 diagram Methods 0.000 title claims abstract description 54
- 238000012546 transfer Methods 0.000 title claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 363
- 229910052751 metal Inorganic materials 0.000 claims abstract description 363
- 238000002955 isolation Methods 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 31
- 238000004891 communication Methods 0.000 abstract description 13
- 150000002739 metals Chemical class 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000191 radiation effect Effects 0.000 description 12
- 238000012360 testing method Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000003491 array Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/247—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna, including four antenna elements, square pcb board, feed port, metal ground plate and dielectric-slab and isolation capacitance；Dielectric-slab is made up of four dieelctric sheets, and four antenna elements are located at four end faces of pcb board respectively, and each antenna element includes 6 sheet metals, and structure is identical, and be centrosymmetric distribution.The present invention has the advantages that simple in construction, loss is low, can conveniently switched with wide, high gain, radiation efficiency height, between four kinds of radiation directions, and direction figure electricity line transfer polarized dipole and electrical sub-antenna be highly suitable for modern wireless communication systems.
Description
[technical field]
The present invention relates to microwave passive component, more particularly to a kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna.
[background technology]
With flourishing for radio communication, important component of the antenna as communication system, the quality of its performance is determined
Can whether fixing system can successfully be run with normal work and various functions.In recent years, with GSM, 3G, LTE,
The development of the various kinds of mobile communication such as WiFi, WLAN, WiMAX application, this requires the antenna in equipment that there is powerful information to receive
Send out function.Under the conditions of limited frequency spectrum resource, realize that equipment high-speed, the information transfer of Large Copacity and multiple services collaboration are closed
Make；On the other hand, due to modern Large Copacity, the fast development of Multifunctional comprehensive wireless communication system so that flat in same communication
The quantity for the communication subsystem carried on platform also come it is more, so as to which the quantity of required antenna on platform is also required to accordingly increase.From
From the point of view of reducing cost, mitigating weight, realize good electromagnetic compatibility characteristic etc., this phenomenon is very unfavorable.System will be turned into
The bottleneck that about wireless composite system further develops and applied.
Many wireless communications applications are adjustable to beam direction or beam direction restructural proposes higher requirement, such as
Cellular basestation, vehicle-to-vehicle communication, remote sensing, satellite communication and cognitive radio etc..Traditional design is mostly to be based on phased array
Antenna, and wide wave beam conversion angle and high radiation directivity can be provided.But they are larger in configuration aspects volume,
Need the supply network road of complexity and higher cost.
Meet various system requirements it follows that designing, adapt to the antenna of application environment complicated and changeable, be modern
Communication continues the key of development.
In current published document, directional diagram reconstructable aerial type is mainly included reflector antenna and opened with automatically controlled
Close the parasitic array scatterer of control.However, (1) is variable to realize by adding switch on the reflecting surface of reflector antenna
Reflected phase and adjustable beam direction.But it is less than 60 ° of scanning angle, can not meet that broadband wireless with rapid changepl. never-ending changes and improvements leads to
The requirement of letter；(2) posted using the mutual coupling between different radiating elements, middle main radiating antenna energy coupling to surrounding
On raw unit, the varactor that is loaded in parasitic element can make it that this parasitic element produces phase offset, primary antenna with
The relation of such a phase difference between parasitic element can produce the effect of beam scanning.Although this method can reach big model
The frequency sweep angle enclosed, but the frequency band range of ESPAR antennas is narrower, only 15%.(3) some other designs are to be based on single armed
On the basis of helical antenna, quasi-yagi antennas either SIW electromagnetic horns, wave beam restructural is equally realized.But this
The antenna pattern of a little antennas is less desirable, and wave beam swept frequency range is narrower and sufficiently bulky.Each side as described above lacks
Application of these directional diagram reconstructable aerials in modern wireless communication systems will be limited by falling into.
[content of the invention]
The technical problem to be solved in the present invention is to provide a kind of simple in construction, low, directional diagram reconstructable linear polarization of loss
Dipole antenna.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is a kind of directional diagram electricity line transfer polarized dipole and electrical
Sub-antenna, including first antenna unit 1, the second antenna element 2, third antenna unit 3, the 4th antenna element 4, square pcb board
5, feed port 6, metal ground plate and dielectric-slab and isolation capacitance；Dielectric-slab is by four 81,82,83,84 groups of dieelctric sheets
Into four antenna elements 1,2,3,4 are located at four end faces of pcb board 5 respectively, and structure is identical, and be centrosymmetric distribution；The
One antenna element 1 includes sheet metal 11, sheet metal 12, sheet metal 13, sheet metal 14, sheet metal 15, sheet metal 16；Second antenna
Unit 2 includes sheet metal 21, sheet metal 22, sheet metal 23, sheet metal 24, sheet metal 25, sheet metal 26；Third antenna unit 3
Include sheet metal 31, sheet metal 32, sheet metal 33, sheet metal 34, sheet metal 35, sheet metal 36；4th antenna element 4 includes gold
Belong to piece 41, sheet metal 42, sheet metal 43, sheet metal 44, sheet metal 45, sheet metal 46.
Further, feed form is using the probe feed for being placed on square pcb board center.
Further, four dieelctric sheets 81,82,83,84 are located at four end faces of square pcb board 5 respectively, and cover square
Four end faces of pcb board 5, one piece of metal ground plate 71,72, metal ground plate size and side are connected to respectively before and after square pcb board 5
The side of shape pcb board 5 is equally big.
Further, apex drive port 6 includes metal cylinder 61 and metal cylinder 62, metal cylinder 61 and side
The front-surface floor 71 of shape pcb board 5 connects, and metal cylinder 62 connects with the square back side surface floor 72 of pcb board 5.Two gold
Belong to cylinder 61 and be connected before and after 62, stepped arrangement, the axis of cylinder overlaps with the axis of square pcb board 5.
Further, sheet metal 11,12 is parallel with dieelctric sheet 81, vertical with metal ground plate 7172, along the 1st axis pair
Claim to place, and sheet metal 11 and the vertical connection of metal ground plate 71, sheet metal 12 and the vertical connection of metal ground plate 72.Sheet metal
13 with the vertical connection of sheet metal 11, sheet metal 14 and the vertical connection of sheet metal 12 are symmetrically placed along the 1st axis.Sheet metal 15
With the vertical connection of sheet metal 13, sheet metal 16 and the vertical connection of sheet metal 14 are symmetrically placed along the 1st axis.
Further, sheet metal 21,22 is parallel with dieelctric sheet 82, vertical with metal ground plate 7172, along the 2nd axis pair
Claim to place, and sheet metal 21 and the vertical connection of metal ground plate 71, sheet metal 22 and the vertical connection of metal ground plate 72.Sheet metal
23 with the vertical connection of sheet metal 21, sheet metal 24 and the vertical connection of sheet metal 22 are symmetrically placed along the 2nd axis.Sheet metal 25
With the vertical connection of sheet metal 23, sheet metal 26 and the vertical connection of sheet metal 24 are symmetrically placed along the 2nd axis.
Further, sheet metal 31,32 is parallel with dieelctric sheet 83, vertical with metal ground plate 7172, along the 1st axis pair
Claim to place, and sheet metal 31 and the vertical connection of metal ground plate 71, sheet metal 32 and the vertical connection of metal ground plate 72.Sheet metal
33 with the vertical connection of sheet metal 31, sheet metal 34 and the vertical connection of sheet metal 32 are symmetrically placed along the 1st axis.Sheet metal 35
With the vertical connection of sheet metal 33, sheet metal 36 and the vertical connection of sheet metal 34 are symmetrically placed along the 1st axis.
Further, sheet metal 41,42 is parallel with dieelctric sheet 84, vertical with metal ground plate 7172, along the 2nd axis pair
Claim to place, and sheet metal 41 and the vertical connection of metal ground plate 71, sheet metal 42 and the vertical connection of metal ground plate 72.Sheet metal
43 with the vertical connection of sheet metal 41, sheet metal 44 and the vertical connection of sheet metal 42 are symmetrically placed along the 2nd axis.Sheet metal 45
With the vertical connection of sheet metal 43, sheet metal 46 and the vertical connection of sheet metal 44 are symmetrically placed along the 2nd axis.
Further, four square shaped pasters 17,18,19,110 uniformly divide dieelctric sheet 81 respectively on dieelctric sheet 81
Into five parts；Slit between square patch 17 is connected by electric-controlled switch 111, and the slit between square patch 18 is by electric-controlled switch
112 are connected, and the slit between square patch 19 is connected by electric-controlled switch 113, and the slit between square patch 110 is by electric-controlled switch 114
Connection.
Further, four square shaped pasters 27,28,29,210 uniformly divide dieelctric sheet 82 respectively on dieelctric sheet 82
Into five parts；Slit between square patch 27 is connected by electric-controlled switch 211, and the slit between square patch 28 is by electric-controlled switch
212 are connected, and the slit between square patch 29 is connected by electric-controlled switch 213, and the slit between square patch 210 is by electric-controlled switch 214
Connection.
Further, four square shaped pasters 37,38,39,310 uniformly divide dieelctric sheet 83 respectively on dieelctric sheet 83
Into five parts；Slit between square patch 37 is connected by electric-controlled switch 311, and the slit between square patch 38 is by electric-controlled switch
312 are connected, and the slit between square patch 39 is connected by electric-controlled switch 313, and the slit between square patch 310 is by electric-controlled switch 314
Connection.
Further, four square shaped pasters 47,48,49,410 uniformly divide dieelctric sheet 84 respectively on dieelctric sheet 84
Into five parts；Slit between square patch 47 is connected by electric-controlled switch 411, and the slit between square patch 48 is by electric-controlled switch
412 are connected, and the slit between square patch 49 is connected by electric-controlled switch 413, and the slit between square patch 410 is by electric-controlled switch 414
Connection.
Further, the negative electrode of all electric-controlled switch is connected with the square patch in-y-axis direction ,-y-axis direction it is square
Paster is connected by the negative pole of DC wire and dc source, and the negative electrode to all electric-controlled switch provides 0V voltages；The sun of electric capacity
Extremely it is connected with the square patch in+y-axis direction, the square patch in+y-axis direction passes through the positive pole of DC feeder and dc source and connected
Connect, the anode to all electric-controlled switch provides 3V voltages.
Further, four electric-controlled switch of first antenna unit 1 are simultaneously by a DC power control, the second antenna element
2 four electric-controlled switch are simultaneously by a DC power control, and four electric-controlled switch of third antenna unit 3 are simultaneously by a direct current
Source controls, and four electric-controlled switch of electricity of the 4th antenna element 4 are simultaneously by a DC power control.
Further, 28 electric capacity are connected by direct current cables at the back side of square pcb board, these electric capacity are used for isolating
DC capacitor and the independence for improving four antenna element electric-controlled switch break-makes.
Further, described electric-controlled switch is diode, and the negative electrode of diode connects the square patch in+y directions, diode
Negative electrode connect the square patch in-y directions.
Further, when the electric-controlled switch anode of each antenna element 1,2,3,4 connects 3V DC voltages by DC feeder,
Each antenna element is in total reflection state；The electric-controlled switch of antenna element 1, which is in, to be disconnected, direct current antenna element 2,3,4
When electric-controlled switch is in connection, antenna element 1 has radiation effect, formation+z-axis directed radiation；The electric-controlled switch of antenna element 2
In disconnection, when the electric-controlled switch of antenna element 1,3,4 is in connection, antenna element 2 has radiation effect, formation-x-axis orientation
Radiation；The electric-controlled switch of antenna element 3, which is in, to be disconnected, when the electric-controlled switch of antenna element 1,2,4 is in connection, antenna element 3
With radiation effect, formation-z-axis directed radiation；The electric-controlled switch of antenna element 4 be in disconnect, antenna element 1,2,3 it is automatically controlled
For switch in when connecting, antenna element 4 has radiation effect, formation+x-axis directed radiation.Therefore by individually controlling automatically controlled open
The break-make of pass so can realize directional diagram electricity adjust characteristic.
The present invention have simple in construction, loss is low, with wide, high gain, radiation efficiency it is high, between four kinds of radiation directions
The advantages that can conveniently switching, direction figure electricity line transfer polarized dipole and electrical sub-antenna is highly suitable for modern wireless communication systems.
[brief description of the drawings]
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the stereogram of directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention.
Fig. 2 is the front view of directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, left view, top view, the right side
View, upward view and sectional view, (a) are front views, and (b) is left view, and (c) is top view, and (d) is right view, and (e) is look up
Figure, (f) is rearview, and (g) is the sectional view entered in terms of bottom surface.
Fig. 3 is the dimensional drawing of directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention.
Fig. 4 is the S of directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention11Parameters simulation and test chart and increasing
The emulation of benefit and test chart.
Fig. 5 is the radiation efficiency figure of directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention.
Fig. 6 is radiation side of the directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention in 1.9GHz and 2.5GHz
Xiang Tu.
Line is in the radiation of different antennae unit on the day of Fig. 7 is directional diagram electricity line transfer polarized dipole and electrical of embodiment of the present invention sub-antenna
When directional diagram.
[embodiment]
The directional diagram electricity line transfer polarized dipole and electrical sub-antenna that the present invention adopts includes first antenna unit, the second antenna element, and
Triantennary unit, the 4th antenna element, square pcb board, feed port, two pieces of metal ground plates, thin-medium plate and isolation electricity
Hold, 4 antenna elements are symmetrically distributed on four end faces of pcb board.Antenna element includes DC feeder, square patch
Piece, electric-controlled switch, wideband dipole, square patch are the metallic coppers of pcb board surrounding end face thin-medium plate surface etching.
First antenna unit has 6 pieces of sheet metals, and the long side of sheet metal and the first axis parallel.Sheet metal 11 is vertically put
Before being placed on metal floor, sheet metal 12 is disposed vertically on rear metal floor, and sheet metal 11,12 is on the 1st axis into axle
Symmetric arrays.Sheet metal 13 and the vertical connection of sheet metal 11, short side edge+z-axis direction are placed, and sheet metal 14 is vertical with sheet metal 12
Connect, short side edge+z-axis direction is placed, and sheet metal 13 and sheet metal 14 arrange on the 1st axis into axial symmetry.Sheet metal 15
With the vertical connection of sheet metal 13, short side is placed along-y directions, and sheet metal 16 and the vertical connection of sheet metal 14, short side are put along+y directions
Put, sheet metal 15 and sheet metal 16 axisymmetricly arrange on the 1st axis.
Second antenna element has 6 pieces of sheet metals, and the long side of sheet metal and the 2nd axis parallel.Sheet metal 21 is vertically put
Before being placed on metal floor, sheet metal 22 is disposed vertically on rear metal floor, and sheet metal 21,22 is on the 2nd axis into axle
Symmetric arrays.Sheet metal 23 and the vertical connection of sheet metal 21, short side edge-x-axis direction are placed, and sheet metal 24 is vertical with sheet metal 22
Connect, short side edge-x-axis direction is placed, and sheet metal 23 and sheet metal 24 arrange on the 2nd axis into axial symmetry.Sheet metal 25
With the vertical connection of sheet metal 23, short side is placed along-y directions, and sheet metal 26 and the vertical connection of sheet metal 24, short side are put along+y directions
Put, sheet metal 25 and sheet metal 26 axisymmetricly arrange on the 2nd axis.
Third antenna unit has 6 pieces of sheet metals, and the long side of sheet metal and the 1st axis parallel.Sheet metal 31 is vertically put
Before being placed on metal floor, sheet metal 32 is disposed vertically on rear metal floor, and sheet metal 31,32 is on the 1st axis into axle
Symmetric arrays.Sheet metal 33 and the vertical connection of sheet metal 31, short side edge-z-axis direction are placed, and sheet metal 34 is vertical with sheet metal 32
Connect, short side edge-z-axis direction is placed, and sheet metal 33 and sheet metal 34 arrange on the 1st axis into axial symmetry.Sheet metal 35
With the vertical connection of sheet metal 33, short side is placed along-y directions, and sheet metal 36 and the vertical connection of sheet metal 34, short side are put along+y directions
Put, sheet metal 35 and sheet metal 36 axisymmetricly arrange on the 1st axis.
4th antenna element has 6 pieces of sheet metals, and the long side of sheet metal and the 2nd axis parallel.Sheet metal 41 is vertically put
Before being placed on metal floor, sheet metal 42 is disposed vertically on rear metal floor, and sheet metal 41,42 is on the 2nd axis into axle
Symmetric arrays.Sheet metal 43 and the vertical connection of sheet metal 41, short side edge+x-axis direction are placed, and sheet metal 44 is vertical with sheet metal 42
Connect, short side edge+x-axis direction is placed, and sheet metal 43 and sheet metal 44 arrange on the 2nd axis into axial symmetry.Sheet metal 45
With the vertical connection of sheet metal 43, short side is placed along-y directions, and sheet metal 46 and the vertical connection of sheet metal 44, short side are put along+y directions
Put, sheet metal 45 and sheet metal 46 axisymmetricly arrange on the 2nd axis.
Apex drive port includes less metal cylinder and larger metal cylinder, less metal cylinder with
Square pcb board front-surface floor connects, and larger metal cylinder connects with square pcb board back side surface floor.Two gold
Category cylinder is connected with front and rear, and stepped arrangement, the axis of cylinder overlaps with the axis of square pcb board.
The square each end face thin-medium plate of pcb board etches 8 square patch respectively, and each two forms one group, between the two
Gap connected by electric-controlled switch.The end face is divided into uniform 5 parts by pcb board 4 groups of each end face square patch, automatically controlled to open
Close and connect the square patch of edge+y-axis for diode, the anode of diode, the negative electrode of diode connects the square patch of edge-y-axis.
The negative electrode of all electric-controlled switch is connected with the square patch in-y-axis direction, and the square patch in-y-axis direction passes through straight
The negative pole of conductance line and dc source connects, and the negative electrode to all electric-controlled switch provides 0V voltages；The anode of electric capacity with+y-axis
The square patch in direction is connected, and the square patch in+y-axis direction and the positive pole of dc source connect, the sun to all electric-controlled switch
Pole provides 3V voltages.
The electric-controlled switch of first antenna unit is by one group of DC power control, and the electric-controlled switch of the second antenna element is by one group
DC power control, the electric-controlled switch of third antenna unit are controlled by one group of switch, and the electric-controlled switch of the 4th antenna element is by one
Group electric-controlled switch control.
There are 28 electric capacity to be connected by direct current cables at the back side of square pcb board in addition, these electric capacity are used for isolated DC
Electric capacity and the independence for improving four antenna element electric-controlled switch break-makes.
When the electric-controlled switch of each antenna element is all connected, each antenna element is in total reflection state；First antenna list
The electric-controlled switch of member, which is in, to be disconnected, and the second antenna element, third antenna unit, the electric-controlled switch of the 4th antenna element are in and connected
When, first antenna unit has radiation effect, formation+z-axis directed radiation；The electric-controlled switch of second antenna element, which is in, to be disconnected,
First antenna unit, third antenna unit, the electric-controlled switch of the 4th antenna unit are in when connecting, the second antenna list
Member has radiation effect, formation-x-axis directed radiation；The electric-controlled switch of third antenna unit, which is in, to be disconnected, first antenna unit,
Second antenna element, the electric-controlled switch of the 4th antenna element are in when connecting, and third antenna unit has radiation effect, formation-z
Axle directed radiation；The electric-controlled switch of 4th antenna element, which is in, to be disconnected, first antenna unit, the second antenna element, third antenna
When the electric-controlled switch of unit is in connection, the 4th antenna element has radiation effect, formation+x-axis directed radiation；By controlling respectively
Make each antenna element electric-controlled switch break-make and then realize that directional diagram electricity adjusts characteristic.
As shown in Figure 1 and Figure 2, the directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, including first antenna list
Member 1, sheet metal 11, sheet metal 12, sheet metal 13, sheet metal 14, sheet metal 15, sheet metal 16, square patch 17, square patch
18th, square patch 19, square patch 110, electric-controlled switch 111, electric-controlled switch 112, electric-controlled switch 113, electric-controlled switch 114；The
Two antenna elements 2, sheet metal 21, sheet metal 22, sheet metal 23, sheet metal 24, sheet metal 25, sheet metal 26, square patch 27,
Square patch 28, square patch 29, square patch 210, electric-controlled switch 211, electric-controlled switch 212, electric-controlled switch 213, automatically controlled open
Close 214；Third antenna unit 3, sheet metal 31, sheet metal 32, sheet metal 33, sheet metal 34, sheet metal 35, sheet metal 36, side
Shape paster 37, square patch 38, square patch 39, square patch 310, electric-controlled switch 311, electric-controlled switch 312, electric-controlled switch
313rd, electric-controlled switch 314；4th antenna element 4, sheet metal 41, sheet metal 42, sheet metal 43, sheet metal 44, sheet metal 45, gold
Belong to piece 46, square patch 47, square patch 48, square patch 49, square patch 410, electric-controlled switch 411, electric-controlled switch 412,
Electric-controlled switch 413, electric-controlled switch 414.Square pcb board 5, apex drive port 6, small metal cylinder 61, big metal cylinder 62, gold
Belong to earth plate 71, metal ground plate 72, thin-medium piece 81, thin-medium piece 82, thin-medium piece 83, thin-medium piece 84.Electric capacity 91, electricity
Appearance 92, electric capacity 93, electric capacity 94, electric capacity 95, electric capacity 96, electric capacity 97, electric capacity 98, electric capacity 99, electric capacity 910, electric capacity 911, electric capacity
912, electric capacity 913, electric capacity 914, electric capacity 915, electric capacity 916, electric capacity 917, electric capacity 918, electric capacity 919, electric capacity 920, electric capacity 921,
Electric capacity 922, electric capacity 923, electric capacity 924, electric capacity 925, electric capacity 926, electric capacity 927, electric capacity 928.
Wherein, square patch 17, square patch 18, square patch 19, square patch 110, electric-controlled switch 111, automatically controlled open
Close 112, electric-controlled switch 113, electric-controlled switch 114 is located at the surface of thin-medium piece 81；Square patch 27, square patch 28, square patch
Piece 29, square patch 210, electric-controlled switch 211, electric-controlled switch 212, electric-controlled switch 213, electric-controlled switch 214 are located at thin-medium piece
82 surfaces；Square patch 37, square patch 38, square patch 39, square patch 310, electric-controlled switch 311, electric-controlled switch 312,
Electric-controlled switch 313, electric-controlled switch 314 are located at the surface of thin-medium piece 83；Square patch 47, square patch 48, square patch 49, side
Shape paster 410, electric-controlled switch 411, electric-controlled switch 412, electric-controlled switch 413, electric-controlled switch 414 are located at the surface of thin-medium piece 84.
Electric capacity 91, electric capacity 92, electric capacity 93, electric capacity 94, electric capacity 95, electric capacity 96, electric capacity 97, electric capacity 98, electric capacity 99, electric capacity
910, electric capacity 911, electric capacity 912, electric capacity 913, electric capacity 914, electric capacity 915, electric capacity 916, electric capacity 917, electric capacity 918, electric capacity 919,
Electric capacity 920, electric capacity 921, electric capacity 922, electric capacity 923, electric capacity 924, electric capacity 925, electric capacity 926, electric capacity 927, electric capacity 928 is positioned at gold
In the groove for belonging to the etching of the surface of earth plate 72.
Apex drive port 6 is located at the center of square pcb board 5, by less metal cylinder 61 and larger metal
Cylinder 62 forms, and less metal cylinder 61 connects with the square front-surface floor 71 of pcb board 5, larger metal cylinder
Body 62 connects with the square back side surface floor 72 of pcb board 5.Two metal cylinders 61 be connected before and after 62, stepped arrangement.
The upper bottom surface circle center line connecting of metal cylinder 61 passes through square 5 cornerwise intersection point of pcb board, the upper bottom of metal cylinder 62
Face circle center line connecting passes through square 5 cornerwise intersection point of pcb board, bottom surface circle center line connecting and metal cylinder on metal cylinder 61
Bottom surface circle center line connecting overlaps on 62.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, the square pcb board 5 of embodiment and thin-medium substrate
81st, 82,83,84 be printed circuit board (PCB) substrate, wherein, the relative dielectric constant of square pcb board 5 is 2.33, and thickness is
3.962mm, the relative dielectric constant of thin-medium substrate 81,82,83,84 is 3, thickness 0.13mm.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, embodiment first antenna unit metal piece sheet metal
11 are disposed vertically on preceding metal floor, and sheet metal 12 is disposed vertically on rear metal floor, and sheet metal 11,12 is in the 1st
Axis arranges into axial symmetry.Sheet metal 13 and the vertical connection of sheet metal 11, short side edge+z-axis direction are placed, sheet metal 14 and metal
The vertical connection of piece 12, short side edge+z-axis direction are placed, and sheet metal 13 and sheet metal 14 arrange on the 1st axis into axial symmetry.
Sheet metal 15 and the vertical connection of sheet metal 13, short side are placed along-y directions, sheet metal 16 and the vertical connection of sheet metal 14, short side edge
+ y directions are placed, and sheet metal 15 and sheet metal 16 axisymmetricly arrange on the 1st axis.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, the square shaped paster of embodiment first antenna unit four
17th, 18,19,110 are located on dieelctric sheet 81 respectively, and dieelctric sheet 81 is uniformly divided into five parts；Slit between square patch 17
Connected by electric-controlled switch 111, the slit between square patch 18 is connected by electric-controlled switch 112, and the slit between square patch 19 is by electricity
Control switch 113 is connected, and the slit between square patch 110 is connected by electric-controlled switch 114.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, embodiment the second antenna element sheet metal 21 are vertical
Before being positioned on metal floor, sheet metal 22 is disposed vertically on rear metal floor, sheet metal 21,22 on the 2nd axis into
Axial symmetry arranges.Sheet metal 23 and the vertical connection of sheet metal 21, short side edge-x-axis direction are placed, and sheet metal 24 hangs down with sheet metal 22
Directly connect, short side edge-x-axis direction is placed, and sheet metal 23 and sheet metal 24 arrange on the 2nd axis into axial symmetry.Sheet metal
25 place with the vertical connection of sheet metal 23, short side along-y directions, sheet metal 26 and the vertical connection of sheet metal 24, short side edge+y directions
Place, sheet metal 25 and sheet metal 26 axisymmetricly arrange on the 2nd axis.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, the square shaped paster of the second antenna element of embodiment four
27th, 28,29,210 are located on dieelctric sheet 82 respectively, and dieelctric sheet 82 is uniformly divided into five parts；Slit between square patch 27
Connected by electric-controlled switch 211, the slit between square patch 28 is connected by electric-controlled switch 212, and the slit between square patch 29 is by electricity
Control switch 213 is connected, and the slit between square patch 210 is connected by electric-controlled switch 214.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, embodiment third antenna unit metal piece 31 are vertical
Before being positioned on metal floor, sheet metal 32 is disposed vertically on rear metal floor, sheet metal 31,32 on the 1st axis into
Axial symmetry arranges.Sheet metal 33 and the vertical connection of sheet metal 31, short side edge-z-axis direction are placed, and sheet metal 34 hangs down with sheet metal 32
Directly connect, short side edge-z-axis direction is placed, and sheet metal 33 and sheet metal 34 arrange on the 1st axis into axial symmetry.Sheet metal
35 place with the vertical connection of sheet metal 33, short side along-y directions, sheet metal 36 and the vertical connection of sheet metal 34, short side edge+y directions
Place, sheet metal 35 and sheet metal 36 axisymmetricly arrange on the 1st axis.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, the square shaped paster of embodiment third antenna unit four
37th, 38,39,310 are located on dieelctric sheet 83 respectively, and dieelctric sheet 83 is uniformly divided into five parts；Slit between square patch 37
Connected by electric-controlled switch 311, the slit between square patch 38 is connected by electric-controlled switch 312, and the slit between square patch 39 is by electricity
Control switch 313 is connected, and the slit between square patch 310 is connected by electric-controlled switch 314.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, the antenna element sheet metal 41 of embodiment the 4th are vertical
Before being positioned on metal floor, sheet metal 42 is disposed vertically on rear metal floor, sheet metal 41,42 on the 2nd axis into
Axial symmetry arranges.Sheet metal 43 and the vertical connection of sheet metal 41, short side edge+x-axis direction are placed, and sheet metal 44 hangs down with sheet metal 42
Directly connect, short side edge+x-axis direction is placed, and sheet metal 43 and sheet metal 44 arrange on the 2nd axis into axial symmetry.Sheet metal
45 place with the vertical connection of sheet metal 43, short side along-y directions, sheet metal 46 and the vertical connection of sheet metal 44, short side edge+y directions
Place, sheet metal 45 and sheet metal 46 axisymmetricly arrange on the 2nd axis.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, the square shaped paster of the 4th antenna element of embodiment four
47th, 48,49,410 are located on dieelctric sheet 84 respectively, and dieelctric sheet 84 is uniformly divided into five parts；Slit between square patch 47
Connected by electric-controlled switch 411, the slit between square patch 48 is connected by electric-controlled switch 412, and the slit between square patch 49 is by electricity
Control switch 413 is connected, and the slit between square patch 410 is connected by electric-controlled switch 414.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, electric-controlled switch 111, electric-controlled switch 112, automatically controlled open
Close 113, electric-controlled switch 114, electric-controlled switch 211, electric-controlled switch 212, electric-controlled switch 213, electric-controlled switch 214, electric-controlled switch
311st, electric-controlled switch 312, electric-controlled switch 313, electric-controlled switch 314, electric-controlled switch 411, electric-controlled switch 412, electric-controlled switch 413,
The negative electrode of electric-controlled switch 414 is connected with the square patch in-y-axis direction, the square patch in-y-axis direction by DC wire with
The negative pole connection of dc source, the negative electrode to all electric-controlled switch provide 0V voltages；Side of the anode of electric capacity with+y-axis direction
Shape paster is connected, and the square patch in+y-axis direction is connected by the positive pole of DC wire and dc source, to all electric-controlled switch
Anode provide 3V voltages.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, the electric-controlled switch of first antenna unit 1 is by same
DC power control, the electric-controlled switch of the second antenna element 2 are opened by same DC power control, the automatically controlled of third antenna unit 3
Close and controlled by same switch, the electric-controlled switch of the 4th antenna element 4 is controlled by same electric-controlled switch.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, described electric-controlled switch are diode, diode
Negative electrode connect the square patch in+y directions, the negative electrode of diode connects the square patch in-y directions.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, four groups of diodes are controlled by four groups of voltages respectively
The break-make of electric-controlled switch, change the structure of antenna radiation unit, so as to realize that the directional diagram electricity of antenna is adjustable.Antenna element 1, day
When line unit 2, antenna element 3, the electric-controlled switch of antenna element 4 are given 3V DC voltages, each antenna element is in entirely
Reflective condition；The electric-controlled switch direct-current plate wire of antenna element 1, which is in, to be disconnected, antenna element 2, antenna element 3, antenna element
When 4 electric-controlled switch is given 3V DC voltages, antenna element 1 has radiation effect, formation+z-axis directed radiation；Antenna element
2 electric-controlled switch positive wire, which is in, to be disconnected, and antenna element 1, antenna element 3, that the electric-controlled switch of antenna element 4 is given 3V is straight
Flow voltage constantly, antenna element 2 has radiation effect, formation-x-axis directed radiation；The electric-controlled switch of antenna element 3 is in disconnected
Open, antenna element 1, antenna element 2, the electric-controlled switch of antenna element 4 are in when connecting, and antenna element 3 has radiation effect, shape
Into-z-axis directed radiation；The electric-controlled switch of antenna element 4, which is in, to be disconnected, antenna element 1, antenna element 2, the electricity of antenna element 3
For control switch in when connecting, antenna element 4 has radiation effect, formation+x-axis directed radiation；Realize that directional diagram electricity adjusts characteristic.
When dc source provides high level signal (3V voltages), electric-controlled switch conducting, provided when dc source
It is low level signal (0V voltages), electric-controlled switch disconnects.Electric capacity on back metal earth plate is used for isolated DC electric current, and is
The break-make of four antenna element electric-controlled switch provides independence.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, the model of all electric-controlled switch uses to be flown using English
The model BAR50 diode switches of Ling companies, its break-make is controlled by low and high level.
Directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the embodiment of the present invention, feed signal, excitation are accessed by feed port 6
Square integrated wave guide resonance chamber 5 is played, is then swashed via the thin-medium plate 8 on the square end face of integrated wave guide resonance chamber 5, coupling
Excited antenna radiation unit, so as to realize the transmitting of energy.
The embodiment of the present invention is described in further detail with reference to the embodiment of refinement.
As shown in figure 3, so that center operating frequency is in 2.25GHz directional diagram electricity line transfer polarized dipole and electrical sub-antenna as an example, side
Shape pcb board 5 and thin-medium substrate 81,82,83,84 are the substrate of printed circuit board (PCB), wherein, the relative dielectric of square pcb board 5
Constant is 2.33, thickness 3.962mm, loss angle tangent 0.0012, and the relative dielectric of thin-medium substrate 81,82,83,84 is normal
Number is 3, thickness 0.13mm, loss angle tangent 0.0013.
Each dimensional parameters of the directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the present embodiment are as follows：
The directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the present embodiment be Ansys companies business full-wave electromagnetic emulation it is soft
Part HFSS modeling and simulatings design.
Fig. 4 and Fig. 5 is directional diagram electricity line transfer polarized dipole antenna return loss and gain and spoke in the present embodiment
Penetrate emulation and the measured result figure of efficiency.It can be seen that in 1.65GHz-2.75GHz frequency ranges, hinder from the measured result in figure
Anti- coupling bandwidth is about 50%, more slightly wider than the impedance matching bandwidth 1.72GHz-2.75GHz of emulation.In work frequency
Section, the gain of emulation is about 4.3dBi, and the gain tested changes in the range of 3.8dBi-5.4dBi, and test and emulation have
The main reason for difference is the actual direct current cables of mismachining tolerance and addition.As shown in figure 5, in the frequency model of impedance matching
In enclosing, the radiation efficiency of test is about 80%.The ohmic loss that the loss of energy is mainly brought by pin diodes causes
's.Metal loss is compared with ohmic loss with dielectric loss and can be ignored.
The antenna pattern of the test of edge+z-axis direction and emulation at 1.9GHz and 2.5GHz is as shown in fig. 6, testing and imitating
True result is coincide well, and the back lobe radiation gain of antenna is less than -20dB, and cross polarization is also very low, has reached -12dB., test and
The error of emulation is mainly as caused by the influence of actual DC cable.Additionally by the different conditions of control electric-controlled switch, survey
The radiation parameter of antenna under different beams direction is tried, is found under four kinds of radiation directions, the radiance of antenna is much like.It is based on
The antenna has the symmetry on xoy faces, and we can manipulate radiation beam and be rotated by 90 ° to reach the H faces of specific direction.
Antenna is in the antenna pattern of different radiation directions as shown in fig. 7, finding that the H faces directional diagram of xoz planes can be with during 2.5GHz
By in xoz faces internal rotation 4 times, being rotated by 90 ° every time to obtain.Also known in addition by Fig. 7, the 3dB of any one radiation direction
Beam angle is both greater than 90 °, and therefore, the directional diagram electricity line transfer polarized dipole and electrical sub-antenna of the present embodiment can be with this four wave beam sides
To switching, antenna pattern can cover whole xoz planes.
In summary, directional diagram of embodiment of the present invention electricity line transfer polarized dipole and electrical sub-antenna has simple in construction, the low, band of loss
Wide, high gain, radiation efficiency are high, can facilitate the advantages that switching between four kinds of radiation directions, and direction figure electricity adjusts dipole
Antenna is highly suitable for modern wireless communication systems.
Claims (10)
1. a kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna, it is characterised in that including first antenna unit (1), the second antenna
Unit (2), third antenna unit (3), the 4th antenna element (4), square pcb board (5), feed port (6), metal ground plate and
Dielectric-slab and isolation capacitance；Dielectric-slab is by four dieelctric sheets (81), (82), (83), (84) composition, four antenna elements
(1), (2), (3), (4) are located at four end faces of pcb board (5) respectively, and structure is identical, and be centrosymmetric distribution；First day
Line unit (1) includes sheet metal (11), sheet metal (12), sheet metal (13), sheet metal (14), sheet metal (15), sheet metal
(16)；Second antenna element (2) includes sheet metal (21), sheet metal (22), sheet metal (23), sheet metal (24), sheet metal
(25), sheet metal (26)；Third antenna unit (3) includes sheet metal (31), sheet metal (32), sheet metal (33), sheet metal
(34), sheet metal (35), sheet metal (36)；4th antenna element (4) includes sheet metal (41), sheet metal (42), sheet metal
(43), sheet metal (44), sheet metal (45), sheet metal (46).
2. a kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna according to claim 1, it is characterised in that feed form is adopted
With the probe feed for the feed port (6) for being placed on square pcb board center.
A kind of 3. directional diagram electricity line transfer polarized dipole and electrical sub-antenna according to claim 1, it is characterised in that four dieelctric sheets
(81), (82), (83), (84) are located at four end faces of square pcb board (5) respectively, and cover four ends of square pcb board (5)
Face, square pcb board (5) is front and rear to be connected to one piece of metal ground plate (71), (72), metal ground plate size and square pcb board respectively
(5) side is equally big.
A kind of 4. directional diagram electricity line transfer polarized dipole and electrical sub-antenna according to claim 1, it is characterised in that sheet metal
(11), (12) are parallel with dieelctric sheet (81), vertical with metal ground plate (71) (72), symmetrically placed along the 1st axis, and metal
Piece (11) and metal ground plate (71) vertical connection, sheet metal (12) and metal ground plate (72) vertical connection.Sheet metal (13)
With sheet metal (11) vertical connection, sheet metal (14) and sheet metal (12) vertical connection are symmetrically placed along the 1st axis.Metal
Piece (15) and sheet metal (13) vertical connection, sheet metal (16) and sheet metal (14) vertical connection, symmetrically put along the 1st axis
Put；
Sheet metal (21), (22) are parallel with dieelctric sheet (82), vertical with metal ground plate (71) (72), symmetrical along the 2nd axis
Place, and sheet metal (21) and metal ground plate (71) vertical connection, sheet metal (22) and metal ground plate (72) vertical connection.
Sheet metal (23) and sheet metal (21) vertical connection, sheet metal (24) and sheet metal (22) vertical connection, it is symmetrical along the 2nd axis
Place.Sheet metal (25) and sheet metal (23) vertical connection, sheet metal (26) and sheet metal (24) vertical connection, along the 2nd axis
Line is symmetrically placed；
Sheet metal (31), (32) are parallel with dieelctric sheet (83), vertical with metal ground plate (71) (72), symmetrical along the 1st axis
Place, and sheet metal (31) and metal ground plate (71) vertical connection, sheet metal (32) and metal ground plate (72) vertical connection.
Sheet metal (33) and sheet metal (31) vertical connection, sheet metal (34) and sheet metal (32) vertical connection, it is symmetrical along the 1st axis
Place.Sheet metal (35) and sheet metal (33) vertical connection, sheet metal (36) and sheet metal (34) vertical connection, along the 1st axis
Line is symmetrically placed；
Sheet metal (41), (42) are parallel with dieelctric sheet (84), vertical with metal ground plate (71) (72), symmetrical along the 2nd axis
Place, and sheet metal (41) and metal ground plate (71) vertical connection, sheet metal (42) and metal ground plate (72) vertical connection.
Sheet metal (43) and sheet metal (41) vertical connection, sheet metal (44) and sheet metal (42) vertical connection, it is symmetrical along the 2nd axis
Place.Sheet metal (45) and sheet metal (43) vertical connection, sheet metal (46) and sheet metal (44) vertical connection, along the 2nd axis
Line is symmetrically placed.
A kind of 5. directional diagram electricity line transfer polarized dipole and electrical sub-antenna according to claim 1, it is characterised in that apex drive end
Mouth (6) includes metal cylinder (61) and metal cylinder (62), metal cylinder (61) and square pcb board (5) front-surface
Floor (71) connects, and metal cylinder (62) connects with square pcb board (5) back side surface floor (72), two metal cylinders
(61) it is connected with before and after (62), stepped arrangement, the axis of cylinder overlaps with the axis of square pcb board (5).
6. a kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna according to claim 1, it is characterised in that four square shapeds are pasted
Dieelctric sheet (81) on dieelctric sheet (81), is uniformly divided into five parts by piece (17), (18), (19), (110) respectively；It is square
Slit between paster (17) is connected by electric-controlled switch (111), and the slit between square patch (18) is connected by electric-controlled switch (112),
Slit between square patch (19) is connected by electric-controlled switch (113), and the slit between square patch (110) is by electric-controlled switch (114)
Connection；
On dieelctric sheet (82), dieelctric sheet (82) is uniformly divided into respectively for four square shaped pasters (27), (28), (29), (210)
Five parts；Slit between square patch (27) is connected by electric-controlled switch (211), and the slit between square patch (28) is opened by automatically controlled
Close (212) to connect, the slit between square patch (29) is connected by electric-controlled switch (213), and the slit between square patch (210) is by electricity
Control switch (214) connection；
On dieelctric sheet (83), dieelctric sheet (83) is uniformly divided into respectively for four square shaped pasters (37), (38), (39), (310)
Five parts；Slit between square patch (37) is connected by electric-controlled switch (311), and the slit between square patch (38) is opened by automatically controlled
Close (312) to connect, the slit between square patch (39) is connected by electric-controlled switch (313), and the slit between square patch (310) is by electricity
Control switch (314) connection；
On dieelctric sheet (84), dieelctric sheet (84) is uniformly divided into respectively for four square shaped pasters (47), (48), (49), (410)
Five parts；Slit between square patch (47) is connected by electric-controlled switch (411), and the slit between square patch (48) is opened by automatically controlled
Close (412) to connect, the slit between square patch (49) is connected by electric-controlled switch (413), and the slit between square patch (410) is by electricity
Control switch (414) connection.
7. a kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna according to claim 6, it is characterised in that all automatically controlled to open
The negative electrode of pass is connected with the square patch in-y-axis direction, and the square patch in-y-axis direction passes through DC wire and dc source
Negative pole connects, and the negative electrode to all electric-controlled switch provides 0V voltages；The anode of electric capacity is connected with the square patch in+y-axis direction,
The square patch in+y-axis direction is connected by the positive pole of DC feeder and dc source, and the anode to all electric-controlled switch provides 3V
Voltage.
A kind of 8. directional diagram electricity line transfer polarized dipole and electrical sub-antenna according to claim 7, it is characterised in that first antenna list
Four electric-controlled switch of first (1) are simultaneously by a DC power control, and four electric-controlled switch of the second antenna element (2) are simultaneously by one
DC power control, four electric-controlled switch of third antenna unit (3) are simultaneously by a DC power control, the 4th antenna element
(4) four electric-controlled switch of electricity are simultaneously by a DC power control.
9. a kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna according to claim 6, it is characterised in that in square PCB
The back side of plate has 28 electric capacity to be connected by direct current cables, and these electric capacity are used for isolated DC electric capacity and improve four antenna lists
The independence of first electric-controlled switch break-make.
A kind of 10. directional diagram electricity line transfer polarized dipole and electrical sub-antenna according to claim 6, it is characterised in that described electricity
Control switch is diode, and the negative electrode of diode connects the square patch in+y directions, and the negative electrode of diode connects the square patch in-y directions.
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| CN201710725239.9A CN107482310B (en) | 2017-08-22 | 2017-08-22 | Directional diagram electric tuning linear polarization dipole antenna |
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|---|---|---|---|
| CN201710725239.9A CN107482310B (en) | 2017-08-22 | 2017-08-22 | Directional diagram electric tuning linear polarization dipole antenna |
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| CN108092007A (en) * | 2018-01-04 | 2018-05-29 | 南京信息工程大学 | A kind of beam switchover smart antenna |
| CN110289480A (en) * | 2019-07-12 | 2019-09-27 | 南京信息工程大学 | A kind of beam scanning array antenna of dipoles applied to smartwatch |
| CN113078462A (en) * | 2021-03-15 | 2021-07-06 | 电子科技大学 | Broadband electrically-adjustable parasitic unit antenna covering WLAN frequency band |
| CN113410662A (en) * | 2021-06-16 | 2021-09-17 | 东南大学 | Broadband directional diagram reconfigurable antenna based on PIN diode switch |
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