CN207691008U - Radio freqency simulation system and its spherical array Anneta module - Google Patents
Radio freqency simulation system and its spherical array Anneta module Download PDFInfo
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- CN207691008U CN207691008U CN201721506005.7U CN201721506005U CN207691008U CN 207691008 U CN207691008 U CN 207691008U CN 201721506005 U CN201721506005 U CN 201721506005U CN 207691008 U CN207691008 U CN 207691008U
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Abstract
The utility model discloses a kind of spherical array Anneta modules, including：The mounting surface of spherical shape；And it is assemblied in the more than one array antenna of the mounting surface；The array antenna includes multiple dual polarized antenna units, and the dual polarized antenna unit in the array antenna is uniformly distributed and is in octagon topological structure.The invention also discloses a kind of radio freqency simulation systems.By the above embodiment, topological structure is simple, broader emulation angle can be covered in effective space, improves the simulation accuracy of test system, and easily and rapidly multiple target can be supported to emulate.
Description
Technical field
The utility model is related to technology radio frequency simulation field more particularly to a kind of radio freqency simulation systems and its spherical array day
Wire module.
Background technology
Applied as Radar Technology is more and more has bigger to need space 3D target acquisitions in industrial circle, the product for civilian use
It asks, such as has to the fields such as unmanned plane and short distance airborne sensor and be more widely applied.In the prior art, general to use
Radio freqency simulation system forms electromagnetic target simulation under annular indoors, and then tests the sensor of this type.
However, existing radio freqency simulation system is mostly used in national defence and electronics research and development institution, cost and maintenance cost
It is higher, it is unsuitable for civilian.Also, the topological structure of existing radio freqency simulation system mostly uses line type or rectangular, in space
The emulation angle of interior covering is narrow, and simulation accuracy is relatively low, and more difficult when supporting multiple target emulation.
Utility model content
The utility model provides a kind of radio freqency simulation system and its spherical array Anneta module to solve above-mentioned technical problem,
Its topological structure is simple, broader emulation angle can be covered in effective space, improves the simulation accuracy of test system, and
Easily and rapidly multiple target can be supported to emulate.
In order to solve the above technical problems, the utility model provides a kind of spherical array Anneta module, including：Spherical shape
Mounting surface；And it is assemblied in the more than one array antenna of the mounting surface；The array antenna includes multiple dual polarization days
Line unit, the dual polarized antenna unit in the array antenna are uniformly distributed and are in octagon topological structure.
Further, the array antenna for being assemblied in the mounting surface is set as more than two, the frequency of each array antenna
Independently of each other, each array antenna includes multiple dual polarized antenna units, the dual polarization day in each array antenna to section
Line unit is to be uniformly distributed and is in octagon topological structure；Wherein, dual polarized antenna unit pair in the different array antennas
It is identical or closely nest together that each octagon topological structure center should be formed by.
Further, the dual polarized antenna unit correspondence in the different array antennas is formed by each octagon topology knot
Structure is nested together with what identical or close center and each side were mutually parallel.
Further, the dual polarized antenna unit in the higher array antenna of frequency range is formed by octagon topology knot
The dense degree of structure is higher.
Further, according to the difference of frequency range, the dual polarized antenna unit correspondence in the different array antennas is formed
Each octagon topological structure occupied by it is of different sizes.
Further, the array antenna is set as M, M >=2, each array day of corresponding frequency band from high to low altogether
The unit that cell spacing in line between dual polarized antenna unit is respectively D, 2D ... MD, D is mrad.
In order to solve the above technical problems, the utility model also provides a kind of radio freqency simulation system, including such as any of the above-described reality
The spherical array Anneta module described in example is applied, further includes control module and drive module；The drive module includes and the ball
The identical radio frequency unit of array antenna quantity in planar array antenna, each array antenna pass through a radio frequency list respectively
Member is driven；Each radio frequency unit includes and dual polarized antenna unit quantity is identical in the corresponding array antenna penetrates
Frequency link and more than one power distributing network, each power distributing network include and dual polarization in the corresponding array antenna
The identical power distribution mouth of antenna element quantity；Each radio frequency link includes a first switch and two second switches,
There are one moved ends and non-moving end identical with the power distributing network quantity, the second switch to have for the first switch tool
One moved end and at least one non-moving end；In the same radio frequency link, the moved end of the first switch and the second switch
Moved end connection, a non-moving end of a second switch connect with the vertical polarization of the dual polarized antenna unit, Ling Yisuo
The non-moving end for stating second switch is connect with the horizontal polarization of the dual polarized antenna unit, each non-moving end of the first switch
It is connect respectively with the power distribution mouth in each power distributing network；The control module is separately connected the different radio frequencies
Each first switch in link and each second switch, and then control corresponding link conducting and realize target simulator.
Further, in the same radio frequency unit, the power distributing network is two or more.
Further, in the same radio frequency link, a second switch is vertical with the dual polarized antenna unit
Attenuator, phase shifter and amplifier, another second switch and the dual polarized antenna unit are disposed between polarization
Horizontal polarization between be also disposed with attenuator, phase shifter and amplifier；The control module respectively with each decaying
Device, each phase shifter and each amplifier connection.
Further, in the same radio frequency link, one point is provided between the first switch and the second switch
The input terminal of two power splitters, the one-to-two power splitter is connect with the moved end of the first switch, the one-to-two power splitter
Two output ends are connect with the moved end of a second switch respectively；There are two non-moving ends for each second switch tool, same to penetrate
In frequency link, a non-moving end and a polarization connection of the dual polarized antenna unit, another non-moving end of each second switch
Connection load；In the same radio frequency link, it is all provided between each amplifier and a polarization of the dual polarized antenna unit
It is equipped with a third switch being connect with the control module, third switch has a moved end and two non-moving ends, and described the
The moved end of three switches is connect with the amplifier, a pole of the non-moving end and the dual polarized antenna unit of the third switch
Change connection, the connection load of another non-moving end.
The radio freqency simulation system and its spherical array Anneta module of the utility model, have the advantages that：
For spherical array Anneta module by using octagon topological structure, topological structure is simple, can be effective empty
The interior broader emulation angle of covering, improves the simulation accuracy of test system；
The emulation of high efficiency multi-channel target is supported by improved radio architectures, and facilitates extension；
Also, since improved system framework can use more single radio-frequency devices product in the market, reduce customization
Change the dependence of device so that system is easier to safeguard and better cost.
Description of the drawings
Fig. 1 is the system construction drawing of the utility model radio frequency simulation equipment.
Fig. 2 be radio frequency simulation equipment shown in Fig. 1 radio freqency simulation system in spherical array Anneta module have high frequency, intermediate frequency
And the distribution plane schematic diagram of low frequency array antenna.
Fig. 3 is that the distribution plane for the high band array antenna removed from spherical array Anneta module shown in Fig. 2 shows
It is intended to.
Fig. 4 is that the distribution plane for the Mid Frequency array antenna removed from spherical array Anneta module shown in Fig. 2 shows
It is intended to.
Fig. 5 is that the distribution plane for the low-frequency range array antenna removed from spherical array Anneta module shown in Fig. 2 shows
It is intended to.
Fig. 6 be radio frequency simulation equipment shown in Fig. 1 radio freqency simulation system in drive module electrical block diagram.
Specific implementation mode
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model provides a kind of radio frequency simulation equipment comprising radio frequency is imitated system, waited for for installing
It surveys the reception system 1 of object and radio freqency simulation system for opposite is installed and receives the darkroom 2 of system 1.Wherein, the imitative system of radio frequency
System forms equivalent radiated power body, and radiator energy arrives at determinand by the free space in darkroom 2, and determinand is to judge to radiate
Spatial attitude information of body etc..
In one embodiment, which includes control module（It is not shown）, drive module（Figure is not
Show）And spherical array Anneta module 3.Control module controls drive module according to external input parameter and drives spherical array antenna
3 respective antenna cell operation of module is with simulation objectives.
Specifically, the spherical array Anneta module 3 includes the mounting surface of spherical shape（It is not shown）And it is assemblied in the peace
More than one array antenna on dress face（It is not shown）.Each array antenna includes multiple dual polarized antenna units 30, array day
Dual polarized antenna unit 30 in line is uniformly distributed and is in octagon topological structure.Its topological structure is simple, can be effective
Broader emulation angle is covered in space, improves the simulation accuracy of test system, and can easily and rapidly support that multiple target is imitative
Very.When array antenna is set as one, multiple target can be supported to emulate in an individual frequency range, it is sufficient to meet the list of user
One, basic testing requirement.Fig. 3 to Fig. 5 illustrates the individual distribution of array antenna and the topological structure of several different frequency ranges.
In a preferred embodiment, in combination with Fig. 2 to Fig. 5 refering to the array antenna for being assemblied in mounting surface is set as two
More than.Wherein, the frequency range of each array antenna is mutual indepedent, and each array antenna includes multiple dual polarized antenna units 30, each battle array
Dual polarized antenna unit 30 in array antenna is to be uniformly distributed and is in octagon topological structure；Wherein, in different array antennas
It is identical or closely nest together that the correspondence of dual polarized antenna unit 30 is formed by each octagon topological structure center.Using
Such structure setting can meet the emulation testing demand that user is more, more complicated.
With continued reference to Fig. 2, the correspondence of dual polarized antenna unit 30 in different array antennas is formed by each octagon topology
Structure is nested together with what identical or close center and each side were mutually parallel.
Continuing with Fig. 3 to Fig. 5 refering to the dual polarized antenna unit 30 in the higher array antenna of frequency range is formed by eight
The dense degree of side shape topological structure is higher.In addition, according to the difference of frequency range, the dual polarized antenna unit in different array antennas
30 to correspond to the size that is formed by occupied by each octagon topological structure usually different, certainly, can be with when passing over cost
By being dimensioned to occupied by each octagon topological structure corresponding to dual polarized antenna unit 30 in each frequency range array antenna
It is identical.
In one embodiment, with continued reference to Fig. 2, with the raising of the frequency range of each array antenna, can by frequency range compared with
The correspondence of dual polarized antenna unit 30 in high array antenna, which is formed by occupied by octagon topological structure, to be dimensioned to
It is smaller, under the premise of meeting fundamental simulation testing requirement, to reduce cost.
In one embodiment, array antenna could be provided as M altogether, M >=2.Each battle array of corresponding frequency band from high to low
The unit that cell spacing in array antenna between dual polarized antenna unit 30 is respectively D, 2D ... MD, D is mrad.
Array antenna is set as three by the utility model citing, and frequency range is respectively high frequency, intermediate frequency and low frequency, wherein
High frequency, intermediate frequency and low frequency be in the present invention in contrast, be only according to the opposite height of frequency range come name in order to
Description.For example, HF array antenna could be provided as 34-37GHz, and intermediate frequency array antenna could be provided as 2-18GHz, with
And low frequency array antenna could be provided as 0.4-2GHz.Correspondingly, adjacent bipolar antenna element 30 in the HF array antenna
Between cell spacing be 22.5mrad, the cell spacing in the intermediate frequency array antenna between adjacent bipolar antenna element 30 is
45mrad, the cell spacing in the low frequency array antenna between adjacent bipolar antenna element 30 are 90mrad.On this basis,
Adjacent bipolar antenna element 30 in HF array antenna can be set as 592 by citing, can be by intermediate frequency array antenna
In adjacent bipolar antenna element 30 be set as 560, can be by the adjacent bipolar antenna element in low frequency array antenna
30 are set as 136, are only exemplary description herein it is, of course, also possible to be other quantity.
Wherein, the target angle analog simulation of the HF array antenna may range from：Horizontal AZ（Azimuth）=30°
（I.e. -15 °~+15 °）, vertical EL（Pitch angle）=30°（I.e. -15 °~+15 °）；The target angle of the intermediate frequency array antenna is simulated
Simulation scale is：Horizontal AZ=60 °（I.e. -30 °~+30 °）, vertical EL=60 °（I.e. -30 °~+30 °）；The low frequency array antenna
Target angle analog simulation ranging from：Horizontal AZ=60 °（I.e. -30 °~+30 °）, vertical EL=60 °（I.e. -30 °~+30 °）.
Wherein, the target positioning error of HF array antenna is ± 0.32 °；The target positioning error of intermediate frequency array antenna is
±0.16°；The target positioning error of low frequency array antenna is ± 0.1 °.
In one embodiment, drive module includes multiple radio frequency units, quantity and the spherical array day of radio frequency unit
The quantity of array antenna is identical in wire module 3, and each array antenna is driven by a radio frequency unit.Specifically：
Specifically as shown in fig. 6, each radio frequency unit includes and 30 quantity phase of dual polarized antenna unit in respective array antenna
With radio frequency link 31 and more than one power distributing network 32, each power distributing network 32 include and in respective array antenna it is double
The identical power distribution mouth of 30 quantity of polarized antenna elements.Assuming that 30 quantity of dual polarized antenna unit is N in each array antenna, that
, 31 quantity of radio frequency link is N, and power distribution mouth is also N in power distributing network 32.
Each radio frequency link 31, which includes a first switch 311 and two second switches 312, first switch 311, to be had
One moved end and non-moving end identical with 32 quantity of power distributing network, there are one moved ends and at least one for the tool of second switch 312
Non-moving end.
In same radio frequency link 31, the moved end of first switch 311 is connect with the moved end of second switch 312, a second switch
312 non-moving end is connect with the vertical polarization of dual polarized antenna unit 30, a non-moving end of another second switch 312 with it is bipolar
Change the horizontal polarization connection of antenna element 30, each non-moving end of first switch 311 respectively with one in each power distributing network 32
The connection of power distribution mouth realizes at least one channel according to the quantity of power distributing network 32 in turn.
Control module is separately connected each first switch 311 in different radio frequency link 31 and each second switch 312, in turn
It controls corresponding link conducting and realizes target simulator.
Preferably, in same radio frequency link 31, between a second switch 312 and the vertical polarization of dual polarized antenna unit 30
It is disposed with attenuator 313, phase shifter 314 and amplifier 315, another second switch 312 and dual polarized antenna unit 30
Also attenuator 313, phase shifter 314 and amplifier 315 are disposed between horizontal polarization；Control module respectively with each attenuator
313, each phase shifter 314 and each amplifier 315 connect.Radiofrequency signal is successively through attenuator 313, phase shifter 314 and amplifier 315
Emit afterwards from dual polarized antenna unit 30, with the comprehensive output for completing energy demand and amplitude phase.
Preferably, in same radio frequency link 31, one-to-two work(point is provided between first switch 311 and second switch 312
The input terminal of device 316, one-to-two power splitter 316 is connect with the moved end of first switch 311, and two of one-to-two power splitter 316 are defeated
Outlet is connect with the moved end of a second switch 312 respectively.
Further, the tool of each second switch 312 is there are two non-moving end, in same radio frequency link 31, each second switch 312
A polarization connection, another non-moving end connection load 317 of one non-moving end with dual polarized antenna unit 30.By by each second switch
312 non-moving end switches to load 317, and it is defeated one-to-two power splitter 316 can be consumed when respective radio-frequency link 31 is disconnected
The energy gone out protects the one-to-two power splitter 316 in turn.
Preferably, in same radio frequency link 31, it is all provided between each amplifier 315 and a polarization of dual polarized antenna unit 30
It is equipped with a third switch 319 being connect with control module.There is the third switch 319 moved end and two non-moving ends, third to open
The moved end of pass 319 is connect with amplifier 315, and a non-moving end of third switch 319 connects with a polarization of dual polarized antenna unit 30
It connects, another non-moving end connection load 318.The arbitrary operation time of the radio freqency simulation system, in fact in dual polarized antenna unit 30
It is polarized in work there are one only, and then by not working in a certain polarization of respective bipolar antenna element 30 or two polarization
When, by making third switch 319 be switched in load 318, the cross polarization for being coupled back into and on space or circuit can be absorbed and penetrated
Frequency energy, so that the cross polarization RF energy will not reflect away interference radio freqency simulation system work again.
In above-described embodiment, in same radio frequency unit, power distributing network 32 can only be set as one, realize single channel
Target simulator.Wherein, when the dual polarized antenna unit 30 activated required for simulation objectives is entirely different, list can be carried out at the same time
Channel multiple target emulation.When realizing more than one target simulator of single channel, a non-moving end of corresponding first switch 311 respectively with
Corresponding power distribution mouth connection makes link be connected in power distributing network 32.
More preferably, in same radio frequency unit, power distributing network 32 is two or more, to realize the target of binary channels or more
Emulation.Wherein, when the dual polarized antenna unit 30 activated required for simulation objectives is entirely different, multichannel can be carried out at the same time
Multiple target emulates.When realizing more than one target simulator of binary channels or more, a non-moving end of corresponding first switch 311 respectively with
Corresponding power distribution mouth connection makes link be connected in the corresponding power distributing network 32 in different channels.
The utility model citing can set the power distributing network 32 in same radio frequency unit to four, realize four-way
Road target simulator.Of course, it is possible to accordingly adjust the quantity of power distributing network 32 in same radio frequency unit, and synchronizes and open first
The quantity for closing 311 non-moving end is adjusted, and then realizes channel extension, and then follows above-mentioned connection structure and other may be implemented
Any amount channel targets emulate.For example, in four-way, first switch 311 is four throw switch of hilted broadsword.In above-described embodiment,
Second switch 312 and third switch 319 are disposed as single-pole double-throw switch (SPDT).
The operation principle of the radio freqency simulation system is briefly as follows：
Simulation model is formulated by the included simulated program of system（Such as polarization mode, movement locus and target velocity
Etc. information）；
Start emulation；
Simulated program drives radio freqency simulation system, first according to destination number and frequency come selector channel；
Such as current target point is（T1, P1）Horizontal and pitch angle, simulated program calculate corresponding antenna activation list
Member.
Wherein, antenna activation unit has A, adjacent three antennas of B, C, drive module of the energy from rear portion of antenna.It is imitative
Proper program only activates the access of current ABC links, and puts through switch, and other accesses are switched to rf load state；Emulate journey
Sequence is according to the emulation location and the trajectory calculation ABC links energy value to be exported currently needed, and the radio frequency path is by adjusting number
Word attenuator 313（With calling calibration data（The calibration data is normally stored on storage medium, for excluding radio frequency simulation system
The priori test for error of uniting, can also be directly from external equipment as a result, these storage mediums can be set in radio frequency unit
Read etc.））Complete the output of energy demand.And in multiple target state, different channels will get through different ABC accesses, lead to
Road switches with target trajectory at any time to meet athletic posture demand.
The utility model also provides a kind of radio freqency simulation system.The description of the radio freqency simulation system is please referred to above,
It no longer repeats one by one herein.
The utility model also provides a kind of spherical array Anneta module.The description of the spherical array Anneta module 3 is asked
Refering to above, no longer repeat one by one herein.
The radio freqency simulation system and its spherical array Anneta module of the utility model, have the advantages that：
For spherical array Anneta module 3 by using octagon topological structure, topological structure is simple, can be effective empty
The interior broader emulation angle of covering, improves the simulation accuracy of test system；
The emulation of high efficiency multi-channel target is supported by improved radio architectures, and facilitates extension；
Also, since improved system framework can use more single radio-frequency devices product in the market, reduce customization
Change the dependence of device so that system is easier to safeguard and better cost.
It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit
The equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in it
His relevant technical field, is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of spherical array Anneta module, which is characterized in that including：
The mounting surface of spherical shape；
And it is assemblied in the more than one array antenna of the mounting surface；
The array antenna includes multiple dual polarized antenna units, and the dual polarized antenna unit in the array antenna is uniformly distributed
And it is in octagon topological structure.
2. spherical array Anneta module according to claim 1, it is characterised in that：
The array antenna for being assemblied in the mounting surface is set as more than two, and the frequency range of each array antenna is mutual indepedent, respectively
The array antenna includes multiple dual polarized antenna units, and the dual polarized antenna unit in each array antenna is uniform
It is distributed and is in octagon topological structure；
Wherein, to be formed by each octagon topological structure center identical for dual polarized antenna unit correspondence in the different array antennas
Or it closely nests together.
3. spherical array Anneta module according to claim 2, it is characterised in that：
Dual polarized antenna unit correspondence in the different array antennas be formed by each octagon topological structure with identical or
What close center and each side were mutually parallel nests together.
4. spherical array Anneta module according to claim 2, it is characterised in that：
Dual polarized antenna unit in the higher array antenna of frequency range is formed by the dense degree of octagon topological structure
It is higher.
5. spherical array Anneta module according to claim 2, it is characterised in that：
According to the difference of frequency range, the dual polarized antenna unit correspondence in the different array antennas is formed by each octagon topology
It is of different sizes occupied by structure.
6. according to claim 2-5 any one of them spherical array Anneta modules, it is characterised in that：
The array antenna is set as M altogether, M >=2, dual polarized antenna in each array antenna of corresponding frequency band from high to low
The unit that cell spacing between unit is respectively D, 2D ... MD, D is mrad.
7. a kind of radio freqency simulation system, which is characterized in that including spherical array antenna mould as claimed in any one of claims 1 to 6
Block further includes control module and drive module；
The drive module includes radio frequency unit identical with array antenna quantity in the spherical array antenna, each battle array
Array antenna is driven by a radio frequency unit respectively；
Each radio frequency unit includes radio frequency link identical with dual polarized antenna unit quantity in the corresponding array antenna
With more than one power distributing network, each power distributing network includes and dual polarized antenna list in the corresponding array antenna
The identical power distribution mouth of first quantity；
Each radio frequency link includes a first switch and two second switches, the first switch tool there are one moved end and
Non-moving end identical with the power distributing network quantity, there are one moved end and at least one non-moving ends for the second switch tool；
In the same radio frequency link, the moved end of the first switch is connect with the moved end of the second switch, and one described second
Switch a non-moving end connect with the vertical polarization of the dual polarized antenna unit, a non-moving end of another second switch and
The horizontal polarization of the dual polarized antenna unit connects, each non-moving end of the first switch respectively with each power distributing network
Power distribution mouth connection in network；
The control module is separately connected each first switch and each second switch in the different radio frequency links, into
And it controls corresponding link conducting and realizes target simulator.
8. radio freqency simulation system according to claim 7, it is characterised in that：
In the same radio frequency unit, the power distributing network is two or more.
9. radio freqency simulation system according to claim 7, it is characterised in that：
In the same radio frequency link, set successively between a second switch and the vertical polarization of the dual polarized antenna unit
It is equipped with attenuator, phase shifter and amplifier, between another second switch and the horizontal polarization of the dual polarized antenna unit
Also attenuator, phase shifter and amplifier are disposed with；The control module respectively with each attenuator, each phase shifter
And each amplifier connection.
10. radio freqency simulation system according to claim 9, it is characterised in that：
In the same radio frequency link, one-to-two power splitter is provided between the first switch and the second switch, it is described
The input terminal of one-to-two power splitter is connect with the moved end of the first switch, two output ends difference of the one-to-two power splitter
It is connect with the moved end of a second switch；Each second switch tool is each described in same radio frequency link there are two non-moving end
One non-moving end of second switch and a polarization connection, the connection of another non-moving end of the dual polarized antenna unit load；
In the same radio frequency link, one is both provided between each amplifier and a polarization of the dual polarized antenna unit
The third switch being connect with the control module, the third switch have a moved end and two non-moving ends, the third switch
Moved end connect with the amplifier, a non-moving end of third switch connects with a polarization of the dual polarized antenna unit
It connects, the connection load of another non-moving end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721506005.7U CN207691008U (en) | 2017-11-13 | 2017-11-13 | Radio freqency simulation system and its spherical array Anneta module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107959127A (en) * | 2017-11-13 | 2018-04-24 | 中山香山微波科技有限公司 | Radio freqency simulation system and its spherical array Anneta module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959127A (en) * | 2017-11-13 | 2018-04-24 | 中山香山微波科技有限公司 | Radio freqency simulation system and its spherical array Anneta module |
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