CN207852911U - A kind of stripline antenna battle array based on continuous wave phased array - Google Patents
A kind of stripline antenna battle array based on continuous wave phased array Download PDFInfo
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- CN207852911U CN207852911U CN201721856603.7U CN201721856603U CN207852911U CN 207852911 U CN207852911 U CN 207852911U CN 201721856603 U CN201721856603 U CN 201721856603U CN 207852911 U CN207852911 U CN 207852911U
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Abstract
The utility model provides a kind of stripline antenna battle array based on continuous wave phased array, including metal base plate, the transmitting battle array and reception battle array being arranged on metal base plate, the transmitting battle array and reception battle array are all made of identical radiation linear array, at least one group of isolation board setting is between the transmitting battle array and reception battle array, and the side of the transmitting battle array and reception battle array is provided with choke groove, the radiation linear array includes upper radiating doublet layer successively from top to bottom, upper dielectric-slab layer, transmission network network layers, lower dielectric-slab layer and lower radiating doublet layer, it is provided with SMA current feed terminals at the transmission network network layers.The utility model feeding network is radiationless, and mutual coupling is very weak, while transmitting-receiving array being taken to split, and installs the measures such as isolation board and choke groove additional, improves receive-transmit isolation.So that this isolation between antennas is substantially better than traditional antenna form.
Description
Technical field
The utility model is related to a kind of antennas, more particularly to a kind of stripline antenna battle array based on continuous wave phased array.
Background technology
Continuous wave radar has the characteristics that distance resolution is high, dynamic range of signals is big, strong antijamming capability, extensive use
In fields such as air traffic control, the monitoring of marine site ship, automobile collision preventings.
Traditional continuous wave radar antenna commonly uses three kinds of forms.The first is reflector antenna, and this antenna structure is simple,
Reliability is high, and batch production is at low cost, but bulky, is unfavorable for portable, and can only carry out mechanical scanning, processing speed
Slowly, radar function is limited.Therefore reflector antenna is usually used in the occasion of less demanding to radar performance.
Second is slotted waveguide antenna, and radiation efficiency is high, firm in structure reliable, it is easy to accomplish phased array electricity is swept
Retouch, be a kind of good continuous wave radar antenna form, applied than wide in millimeter wave band, but this antenna it is of high cost,
Quality is big, in X and its following wave band advantage unobvious.
The third is micro-strip array antenna.This antenna cost is very low, but there are feeder loss, and radiation efficiency is also low, special
It is not frequency applications, efficiency is very low.In addition, scanning angle is very limited when plane microstrip antenna is applied to phased array,
And after using vibrator type microstrip antenna, scanning angle can become larger, but cost advantage unobvious, and it is low to equally exist radiation efficiency
Problem.Therefore, micro-strip array antenna is generally used for requiring antenna efficiency relatively low inexpensive radar equipment.
Continuous wave radar antenna form used at present respectively has a feature, in engineer application, it would be desirable to have a kind of antenna form
Phased scanning characteristic is good, and radiation efficiency is high, and cost is relatively low, and can realize preferable receive-transmit isolation.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of stripline antenna based on continuous wave phased array
Battle array.
The technical solution adopted in the utility model is：
A kind of stripline antenna battle array based on continuous wave phased array, including metal base plate, the hair being arranged on metal base plate
It penetrates battle array and receives battle array, the transmitting battle array and reception battle array are all made of identical radiation linear array, and at least one group of isolation board is arranged described
It transmitting battle array and receives between battle array and the transmitting battle array and receives the side of battle array and be provided with choke groove, the radiation linear array is from upper
Include upper radiating doublet layer, upper dielectric-slab layer, transmission network network layers, lower dielectric-slab layer and lower radiating doublet layer, institute successively under
It states and is provided with SMA current feed terminals at transmission network network layers.
Further, the transmitting battle array and receive battle array and be separately positioned on the left and right sides of metal base plate, interval several
Wavelength.
Further, it is described radiation linear array linear array along azimuth direction according to scan not go out graing lobe spacing arrangement, i.e., between
It is divided intoWherein d is azimuth plane cell spacing, and λ is free space wavelength, and θ is maximum scan angle.
Further, the upper radiating doublet layer and lower radiating doublet layer are all made of metal copper foil plate, if being provided with
Do half-wavelength symmetrical dipole arranged in a uniform, radiating element of the symmetrical dipole as antenna array.
Further, the half-wavelength that the upper radiating doublet layer and lower radiating doublet layer are equidistantly arranged by 16 is symmetrically shaken
Son composition, about 0.8 wavelength of the symmetrical dipole spacing.
Further, the upper dielectric-slab layer and lower dielectric-slab layer are all made of microwave low-loss dielectric-slab, are risen to antenna array
To supporting role.
Further, the transmission network network layers use metal copper foil for substrate, are provided with level Four one-to-two power point
Orchestration.
The utility model has the following advantages：
1, radiation efficiency is high：Compared with conventional microstrip feeds vibrator type antenna, the utility model feeding network is using band-like
Line form avoids feeder line radiation loss, and antenna array efficiency is apparently higher than microstrip antenna, close with Waveguide slot battle array.
2, isolation is good：The utility model feeding network is radiationless, and mutual coupling is very weak, while transmitting-receiving array being taken to split,
The measures such as isolation board and choke groove of installation additional improve receive-transmit isolation.So that this isolation between antennas is substantially better than traditional antenna form.
Description of the drawings
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the side view of the utility model embodiment.
Fig. 3 is the radiation linear array front view of the utility model embodiment.
Fig. 4 is the radiation linear array hierarchical view of the utility model embodiment.
Specific implementation mode
The utility model is described in detail below in conjunction with attached drawing and specific embodiment, in the signal of this utility model
Property embodiment and explanation be used for explaining the utility model, but be not intended to limit the scope of the present invention.
Referring to figs. 1 to Fig. 4, the utility model discloses a kind of for the stripline antenna battle array based on continuous wave phased array, packet
It includes：Emit battle array 1, receive the component parts such as battle array 2, metal base plate 3, isolation board 4, choke groove 5.Transmitting battle array 1 and reception battle array 2 are adopted
With azimuth plane phase-array scanning, pitching face simple beam system, therefore two arrays are all made of identical radiation linear array 11, linear array edge side
Position direction is arranged according to the spacing that can not scan graing lobe, i.e.,Wherein d is azimuth plane cell spacing, and λ is free space
Wavelength, θ are maximum scan angles.Transmitting battle array 1 is made of 10 radiation linear arrays, is received battle array 2 and is made of 30 radiation linear arrays.Transmitting
Battle array 1 is split with battle array 2 or so is received, and is spaced 10 wavelength, is mounted on 3 both ends of metal base plate, 2 isolation boards 4 of medium design, transmitting-receiving
A circle choke groove 5 is respectively set in antenna surrounding.
If Fig. 3 gives radiation linear array front view, since this radiation linear array uses strip lines configuration, added by multilayer micro-strip plate
Work forms, and front view can only see the radiating doublet 111, upper dielectric-slab layer 112 and SMA current feed terminals 116 of top layer.
Fig. 4 is radiation linear array hierarchical view, and radiation linear array includes upper radiating doublet layer 111, upper dielectric-slab layer 112, feed
Network layer 113, lower dielectric-slab layer 114, lower radiating doublet layer 115, SMA current feed terminals 116.Upper radiating doublet layer 111 and lower spoke
It penetrates the half-wavelength symmetrical dipole that oscillator layer 115 is equidistantly arranged by 16 to form, about 0.8 wavelength of element spacing, radiating doublet
Layer is metal copper foil material, is process using corrosion or engraving process, effect is microwave radiation energy.Upper dielectric-slab layer
112 and lower dielectric-slab layer 114 be microwave low-loss dielectric board material, play a supporting role to antenna array.Transmission network network layers 113 by
Level Four one-to-two power divider forms, and current feed phase is identical, and amplitude carries out antenna array pitching using Sidelobe Taylor distributions
Upper thread battle array is fed, and material is also metal copper foil, and corrosion or engraving process are process.
Transceiver insulation is an important indicator of continuous wave radar antenna, it has a significant impact radar horizon.This
Embodiment transceiver insulation uses three measures：First item：Transmitting battle array 1 and reception battle array 2 or so are split, and are spaced about 10 wavelength；
Section 2：Two isolation boards 4 are set between two arrays, pass through adjustable plate height, inclination angle, position optimization isolation；Section 3：Two
Choke groove 5 is respectively set around a array, groove depth about quarter-wave is required according to transceiver insulation, if can be arranged dried layer every
From slot.
The utility model radiates linear array using ripe micro-strip plate printing technology processing, and batch conformity of production is good, at low cost.
Antenna array directly goes out SMA radio frequency interfaces, is directly connect with T/R components, avoids transferring, and can reduce cost.
The technical solution disclosed in the utility model embodiment is described in detail above, it is used herein specifically
Embodiment is expounded the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to
Help understands the principle of the utility model embodiment；It is real according to the utility model meanwhile for those of ordinary skill in the art
Example is applied, the there will be changes in specific implementation mode and application range, in conclusion the content of the present specification should not be understood
For limitations of the present invention.
Claims (7)
1. a kind of stripline antenna battle array based on continuous wave phased array, which is characterized in that including metal base plate, be arranged in metal bottom
Transmitting battle array on plate and reception battle array, the transmitting battle array and reception battle array are all made of identical radiation linear array, and at least one group of isolation board is set
It sets between the transmitting battle array and reception battle array and the side of the transmitting battle array and reception battle array is provided with choke groove, the radiation
Linear array includes that upper radiating doublet layer, upper dielectric-slab layer, transmission network network layers, lower dielectric-slab layer and lower radiation are shaken successively from top to bottom
Sublayer is provided with SMA current feed terminals at the transmission network network layers.
2. the stripline antenna battle array according to claim 1 based on continuous wave phased array, which is characterized in that the transmitting battle array
The left and right sides of metal base plate, several wavelength of interval are separately positioned on reception battle array.
3. the stripline antenna battle array according to claim 1 based on continuous wave phased array, which is characterized in that the radiation
Battle array linear array along azimuth direction according to scan not go out graing lobe spacing arrangement, i.e., between be divided intoWherein d is azimuth plane list
First spacing, λ are free space wavelength, and θ is maximum scan angle.
4. the stripline antenna battle array according to claim 1 based on continuous wave phased array, which is characterized in that the upper radiation
Oscillator layer and lower radiating doublet layer are all made of metal copper foil plate, are provided with several half-wavelength symmetrical dipoles arranged in a uniform,
Radiating element of the symmetrical dipole as antenna array.
5. the stripline antenna battle array according to claim 4 based on continuous wave phased array, which is characterized in that the upper radiation
The half-wavelength symmetrical dipole that oscillator layer and lower radiating doublet layer are equidistantly arranged by 16 forms, and the symmetrical dipole spacing is about
0.8 wavelength.
6. the stripline antenna battle array according to claim 1 based on continuous wave phased array, which is characterized in that the upper medium
Plate layer and lower dielectric-slab layer are all made of microwave low-loss dielectric-slab, play a supporting role to antenna array.
7. the stripline antenna battle array according to claim 1 based on continuous wave phased array, which is characterized in that the transmission network
Network layers use metal copper foil for substrate, are provided with level Four one-to-two power divider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856603.7U CN207852911U (en) | 2017-12-27 | 2017-12-27 | A kind of stripline antenna battle array based on continuous wave phased array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856603.7U CN207852911U (en) | 2017-12-27 | 2017-12-27 | A kind of stripline antenna battle array based on continuous wave phased array |
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| Publication Number | Publication Date |
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| CN207852911U true CN207852911U (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721856603.7U Expired - Fee Related CN207852911U (en) | 2017-12-27 | 2017-12-27 | A kind of stripline antenna battle array based on continuous wave phased array |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327345A (en) * | 2018-12-14 | 2020-06-23 | 北京三星通信技术研究有限公司 | Antenna isolation method, time delay network and equipment thereof |
| CN112332095A (en) * | 2020-10-28 | 2021-02-05 | 北京机电工程研究所 | Co-aperture antenna based on structural modification and loading |
| CN115441899A (en) * | 2018-12-14 | 2022-12-06 | 北京三星通信技术研究有限公司 | Delay network, analog cancellation module comprising delay network and electronic equipment |
-
2017
- 2017-12-27 CN CN201721856603.7U patent/CN207852911U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327345A (en) * | 2018-12-14 | 2020-06-23 | 北京三星通信技术研究有限公司 | Antenna isolation method, time delay network and equipment thereof |
| CN115441899A (en) * | 2018-12-14 | 2022-12-06 | 北京三星通信技术研究有限公司 | Delay network, analog cancellation module comprising delay network and electronic equipment |
| CN111327345B (en) * | 2018-12-14 | 2023-06-27 | 北京三星通信技术研究有限公司 | Antenna isolation method, time delay network and equipment thereof |
| CN112332095A (en) * | 2020-10-28 | 2021-02-05 | 北京机电工程研究所 | Co-aperture antenna based on structural modification and loading |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20201227 |