CN108008357A - A kind of azimuth plane synthesizer for radar antenna - Google Patents
A kind of azimuth plane synthesizer for radar antenna Download PDFInfo
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- CN108008357A CN108008357A CN201711308159.XA CN201711308159A CN108008357A CN 108008357 A CN108008357 A CN 108008357A CN 201711308159 A CN201711308159 A CN 201711308159A CN 108008357 A CN108008357 A CN 108008357A
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- azimuth plane
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a kind of azimuth plane synthesizer for radar antenna, wherein, the azimuth plane synthesizer includes：Rear end for processing to be made choice and synthesized to received signal synthesizes processing component；For to signal integrate the multi-channel power combination device of processing；For carrying out the output directional coupler of coupling processing to signal；Rear end synthesis processing component includes：Signal synthesizes process circuit；For being controlled switching switch to signal path；Control circuit.The azimuth plane synthesizer for radar antenna of the present invention, process circuit is synthesized by signal synthesis processing is carried out to signal, process circuit is synthesized by control circuit to signal to be controlled, the making choice property of multiple signals in process circuit is synthesized to input signal by switching switch to turn on, select required radar signal to carry out integration processing from multipath radar signal to realize, improve the service efficiency of radar.
Description
Technical field
The present invention relates to the technical field of azimuth plane synthesizer, more particularly to a kind of azimuth plane for radar antenna to close
Into device.
Background technology
During radar scanning is carried out, in order to realize that the multiple row composite signal to same antenna arrays of radar is integrated
Processing carries out multipath radar signal synthesis processing, it is necessary to using azimuth plane synthesizer, and traditional azimuth plane synthesis fills
Put, multipath radar signal can only be integrated.And, it is necessary in multipath radar signal in the actual application of radar
Select required radar signal to be integrated, and show, traditional azimuth plane synthesizer can not be from multipath radar signal
The middle required radar signal of selection carries out integration processing, can not meet the actual needs.
Therefore, the prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of azimuth plane conjunction for radar antenna
Into device, it is intended to which required radar can not be selected from multipath radar signal by solving azimuth plane synthesizer of the prior art
The problem of signal carries out integrating processing.
To achieve the above object, concrete technical scheme is as follows by the present invention：
A kind of azimuth plane synthesizer for radar antenna, wherein, the azimuth plane synthesizer includes：
Rear end for processing to be made choice and synthesized to received signal synthesizes processing component；
For to signal integrate the multi-channel power combination device of processing；
For carrying out the output directional coupler of coupling processing to signal；
Input terminal passes sequentially through rear end synthesis processing component, multi-channel power combination device, output directional coupler and is connected with output terminal；
The rear end synthesis processing component includes：Signal synthesizes process circuit；For being controlled switching switch to signal path；
Control circuit for control signal combiner circuit；
The signal synthesis process circuit includes two input channels.
The azimuth plane synthesizer for radar antenna, wherein, the signal synthesis process circuit includes first
Input directional coupler, the second input directional coupler, the first balanced device, the second balanced device, first party plane regulation of width phase device,
Second party plane regulation of width phase device, two passage combiners.
The azimuth plane synthesizer for radar antenna, wherein, it is described first input directional coupler one end with
First input equipment is connected, and the other end is connected with first balanced device one end；The first balanced device other end and first party
Plane regulation of width phase device one end is connected；The first party plane regulation of width phase device other end and two passage combiner first end phases
Connection；Described second input directional coupler one end is connected with the second input equipment, the other end and second balanced device one end phase
Connection；The second balanced device other end is connected with second party plane regulation of width phase device one end；The second party plane width phase
The adjuster other end is connected with two passage combiner second ends；The 3rd end of two passages combiner and multi-channel power combination device phase
Connection.
The azimuth plane synthesizer for radar antenna, wherein, the switching switch respectively with first party plane
Regulation of width phase device is connected with second party plane regulation of width phase device；.
The azimuth plane synthesizer for radar antenna, wherein, the control circuit respectively with first party plane
Regulation of width phase device, second party plane regulation of width phase device, switching switch are connected.
The azimuth plane synthesizer for radar antenna, wherein, first balanced device includes：
For the first equalizing circuit module for being blocked to low frequency input signal, being turned on to high-frequency input signal；
T-shaped attenuation network；
For the second equalizing circuit module for being blocked to high-frequency input signal, being turned on to low-frequency input signal；
The T-shaped attenuation network and the first equalizing circuit wired in parallel；
The first input directional coupler connects first party by the first equalizing circuit module with T-shaped attenuation network respectively
Plane regulation of width phase device, the T-shaped attenuation network are also connected with the second equalizing circuit module.
The azimuth plane synthesizer for radar antenna, wherein, after the azimuth plane synthesizer includes 12
End synthesis processing component, the multi-channel power combination device is 12 passage combiners；Rear end synthesis component is and multi-channel power combination
The input terminal of device is connected.
Beneficial effect：
A kind of azimuth plane synthesizer for radar antenna of the present invention, synthesizes process circuit by signal and signal is closed
It is controlled into processing, and by processing operation of the control circuit to signal synthesis process circuit, by switching switch to input
Making choice property of multiple signals conducting in signal synthesis process circuit, and the selection signal after multiple processing is transmitted to and is led to more
Road combiner carries out integration processing, selects required radar signal to carry out integration processing from multipath radar signal to realize,
The service efficiency of radar is improved, is met the actual needs.
Brief description of the drawings
Fig. 1 is the structure diagram of the azimuth plane synthesizer for radar antenna of the present invention.
Fig. 2 is that the rear end of the azimuth plane synthesizer for radar antenna of the present invention synthesizes the structural representation of processing component
Figure.
Fig. 3 is that the rear end of the azimuth plane synthesizer for radar antenna of the present invention synthesizes the structural representation of processing component
Figure.
Fig. 4 is the structure diagram of the first balanced device of the azimuth plane synthesizer for radar antenna of the present invention.
Embodiment
The present invention provides a kind of azimuth plane synthesizer for radar antenna, to make the purpose of the present invention, technical solution
And effect is clearer, clear and definite, the present invention is described in more detail below.It should be appreciated that specific implementation described herein
Example is not intended to limit the present invention only to explain the present invention.
- Fig. 4 is please referred to Fig.1, Fig. 1 is the structure diagram of the azimuth plane synthesizer for radar antenna of the present invention；
Fig. 2 is that the rear end of the azimuth plane synthesizer for radar antenna of the present invention synthesizes the structure diagram of processing component；Fig. 3 is
The structure diagram of the rear end synthesis processing component of the azimuth plane synthesizer for radar antenna of the present invention；Fig. 4 is this hair
The structure diagram of first balanced device of the bright azimuth plane synthesizer for radar antenna.As described in Figure, it is a kind of to be used for thunder
Up to the azimuth plane synthesizer of antenna, wherein, the azimuth plane synthesizer includes：
Rear end for processing to be made choice and synthesized to received signal synthesizes processing component 10；
For to signal integrate the multi-channel power combination device 20 of processing；
For carrying out the output directional coupler 30 of coupling processing to signal；
Input terminal passes sequentially through rear end synthesis processing component 10, multi-channel power combination device 20, output directional coupler 30 and output terminal
It is connected；
The rear end synthesis processing component 10 includes：Signal synthesizes process circuit 110；For being controlled switching to signal path
Switch 120；Control circuit 130 for control signal combiner circuit 110；
The signal synthesis process circuit 110 includes two input channels.
In actual use, the azimuth plane synthesizer for radar antenna is placed in after pitching face synthesis network,
Azimuth plane synthesizer includes：12 rear end synthesis processing components, 1 multi-channel power combination device, 1 output directional coupler, institute
Stating rear end synthesis processing component includes：Signal synthesis process circuit, switching switch, control circuit, wherein, signal synthesis processing electricity
Road includes two input channels, therefore rear end synthesis processing component includes two input channels, and 12 rear ends synthesize processing component
24 input channels are included altogether.
Therefore, azimuth plane synthesizer can be realized makes synthetic wideband share same thunder with digit synthesis by power distribution
12 tunnel signal transmissions are selected from 24 row composite signals up to the effect of 24 row composite signals of antenna array, and by switching switch
To digital beam froming（DBF）Subsystem.Azimuth plane synthesizer also has carries out regulation of width phase and weighting conjunction to 24 road signals
Into control radar velocity of wave is scanned, and obtains scanning result.By setting 24 radiofrequency signal input channels, 24 can be received
Road radiofrequency signal, in order to the expansion of the following multi-beam function of carrying out radar system.
Input terminal pass sequentially through rear end synthesis processing component 10, multi-channel power combination device 20, output directional coupler 30 with it is defeated
Outlet is connected, and 24 tunnel input signals are made choice by rear end synthesis processing component and combining, the 12 road signals selected
Send to digital beam froming subsystem, the 12 tunnel signal transmissions that combining obtains are further transmitted to and determine to multichannel combiner
Coupling processing is carried out to coupler, finally transmits a signal to output terminal.
In the particular embodiment, the signal synthesis process circuit 110 includes the first input directional coupler 111, the
Two input directional couplers 112, the first balanced device 113, the second balanced device 114, first party plane regulation of width phase device 115, second
Azimuth plane regulation of width phase device 116, two passage combiners 117.First input directional coupler of the signal synthesis process circuit
Identical with the second input directional coupling structure, the first balanced device is identical with the second equaliser structure, and first party plane width is mutually adjusted
It is identical with second party plane regulation of width phase device structure to save device.
During specifically used, the first input directional coupler and the second input directional coupler use Yantel
The DC1500A20 of company's production, its operating frequency range is 1.0GHz-1.5GHz, in its operating frequency range, has insertion
The characteristics of low, standing-wave ratio is small is lost；The two passages combiner using minicircuits companies into 2way-0 ° of production
Power splitter/combiner, it is with good balancing each other property of width.
In the particular embodiment, described first input directional coupler, 111 one end is connected with the first input equipment, separately
One end is connected with 113 one end of the first balanced device；First balanced device, 113 other end and first party plane regulation of width phase device
115 one end are connected；115 other end of first party plane regulation of width phase device is connected with two passage combiners, 117 first end；
Described second input directional coupler, 112 one end is connected with the second input equipment, the other end and 114 one end phase of the second balanced device
Connection；Second balanced device, 114 other end is connected with 116 one end of second party plane regulation of width phase device；The second orientation
Regulation of width phase device 116 other end in face is connected with two passage combiners, 117 second end；The 3rd end of two passages combiner 117
It is connected with multi-channel power combination device 20.
First input equipment produces the first input signal, and the first input signal carries out coupling by the first input directional coupler
After conjunction processing, the first balanced device is transmitted to, after equalised device handles signal, is transmitted to first party plane regulation of width phase
Device, is mutually adjusted the width of signal, wherein signal transmission is to switching switch, another way signal transmission to two passage combinings all the way
Device；Second input equipment produces the second input signal, and the second input signal is carried out at coupling by the second input directional coupler
After reason, the second balanced device is transmitted to, after equalised device handles signal, is transmitted to second party plane regulation of width phase device, it is right
The width of signal is mutually adjusted, wherein signal transmission is to switching switch, another way signal transmission to two passage combiners all the way.Two
Passage combiner integrates two input signals, will be exported after two signal integrations.
Wherein, the effect of the first balanced device and the second balanced device is, to radiofrequency signal height frequency gain difference into
Row compensation, in favor of improving the performance that signal rear class dynamic range and broadband signal detect receipts.
In the particular embodiment, the switching switch 120 respectively with first party plane regulation of width phase device 115 and second party
Plane regulation of width phase device 116 is connected.
By switching switch, to by the signal of first party plane regulation of width phase device and second party plane regulation of width phase device into
Row conducting control, when needing to turn on the signal by first party plane regulation of width phase device, then passes through switching switch control
First party plane regulation of width phase device processed carries out width and mutually adjusts, and the signal after adjustment is transmitted, when needing to cut through the
During signal in one azimuth plane regulation of width phase device, then first party plane regulation of width phase device is controlled to be stopped by switching switch；
When needing to turn on the signal by second party plane regulation of width phase device, then second party plane is controlled by switching switch
Regulation of width phase device carries out width and mutually adjusts, and the signal after adjustment is transmitted, when needing to cut through second party plane width phase
During signal in adjuster, then second party plane regulation of width phase device is controlled to be stopped by switching switch.By switching switch,
First input signal and the second making choice property of input signal can be turned on, the letter of conducting required for being selected from two signals
Number, greatly facilitate in radar system and the multiple signals of antenna arrays of radar made choice, it is possible to increase radar system it is whole
Body performance.
The switching switch uses the HMC284AMS8GE of HITTITE companies, its operating temperature range is Celsius for -40-85
Degree, disclosure satisfy that comprehensive requirement, its operating frequency range is 0.5-3GHz, in its operating frequency range, insertion
Loss is less than 1dB, and isolation is more than 40dB, can obtain good using effect.
In the particular embodiment, the control circuit 130 respectively with first party plane regulation of width phase device 115, second party
Plane regulation of width phase device 116, switching switch 120 are connected.
Phase, which is controlled, in first party plane regulation of width phase device needs 6 control bits, and needs 6 are controlled to amplitude
A control bit, also includes a single-pole single-throw switch (SPST) SPST in first party plane regulation of width phase device, therefore to first party plane width
Phase adjuster is controlled to be needed altogether：6（Phase controlling）+6（Amplitude controls）+1（Single-pole single-throw switch (SPST) SPST）=13 controls
Position, based on same design, second party plane regulation of width phase device is controlled needs 13 control bits altogether, to switching switch
SPDT, which is controlled, needs 2 control bits,
The control circuit is integral control circuit, the control bit of control circuit amounts to 2 ×（6（Phase controlling）+6（Amplitude control
System）+1（Single-pole single-throw switch (SPST) SPST））+2（Switching switch SPDT）=30, using four 8 road driving chips（74HC245PW）.It is logical
First party plane regulation of width phase device, second party plane regulation of width phase device and switching switch can be controlled by crossing control circuit,
According to the use demand of radar system, by control circuit, to the signal by first party plane regulation of width phase device into line amplitude
With the adjustment of phase, the adjustment to the signal by second party plane regulation of width phase device into line amplitude and phase.
In the particular embodiment, first balanced device 113 includes：
For the first equalizing circuit module for being blocked to low frequency input signal, being turned on to high-frequency input signal
1131；
T-shaped attenuation network 1132；
For the second equalizing circuit module for being blocked to high-frequency input signal, being turned on to low-frequency input signal
1133；
The T-shaped attenuation network 1132 is in parallel with the first equalizing circuit module 1131；
The first input directional coupler 111 passes through the first equalizing circuit module 1131 and T-shaped attenuation network respectively
1132 connection first party plane regulation of width phase devices 115, the T-shaped attenuation network 1132 also with 1133 phase of the second equalizing circuit module
Connection.
In the particular embodiment, the azimuth plane synthesizer includes 12 rear ends and synthesizes processing component 10, described more
Passage combiner 20 is 12 passage combiners；Input terminal of the rear end synthesis component 10 with multi-channel power combination device 20 is connected
Connect.
In the specific implementation, power supply module is further included in rear end synthesis processing component, by power supply module in equipment
Other assemblies are powered, and the input terminal voltage of the power supply module is 12V, and the transformation for turning 5V in voltage device comprising 12V is set
It is standby, and the potential device of 5V turns of -5V.Wherein 12V turns the output current of the potential device of 5V up to 1000mA, disclosure satisfy that to set
Other assemblies in standby provide sufficient power supply.
In the particular embodiment, the frequency coverage of the multi-channel power combination device 20 is 800-1700MHz.
In the particular embodiment, the frequency coverage of the output directional coupler 30 is 800-2000MHz.
In the particular embodiment, rear end synthesis processing component 10, multi-channel power combination device 20 and the output directional coupling
Device 30 uses modularized design, and is installed in the cabinet of 5U standard racks.By the way that rear end is synthesized processing component, is led to more
Road combiner and output directional coupler are installed in the cabinet of 5U standard racks, can reduce the sky shared by whole component
Between, it is convenient to be connected up in cabinet inside, cabinet is integrally had the characteristics that light-weight, small, be easy to carry about with one.Due to rear end
Processing component, multi-channel power combination device and output directional coupler are synthesized, and needing to replace some component, safeguarding
When, conveniently and efficiently the equipment for needing to change, safeguarding can be dismantled.
In conclusion the invention discloses a kind of azimuth plane synthesizer for radar antenna, wherein, the azimuth plane
Synthesizer includes：Rear end for processing to be made choice and synthesized to received signal synthesizes processing component；For to letter
Number carry out integrating the multi-channel power combination device of processing；For carrying out the output directional coupler of coupling processing to signal；Input terminal according to
It is secondary to be connected by rear end synthesis processing component, multi-channel power combination device, output directional coupler with output terminal；The rear end synthesis
Processing component includes：Signal synthesizes process circuit；For being controlled switching switch to signal path；Synthesized for control signal
The control circuit of circuit.A kind of azimuth plane synthesizer for radar antenna of the present invention, process circuit is synthesized by signal
Synthesis processing is carried out to signal, and is controlled by processing operation of the control circuit to signal synthesis process circuit, by cutting
Change the making choice property of multiple signals that switch synthesizes input signal in process circuit to turn on, and the selection after multiple processing is believed
Number being transmitted to multi-channel power combination device carries out integration processing, with realize selected from multipath radar signal required radar signal into
Row integration is handled, and the service efficiency of radar is improved, to meet the actual needs.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (7)
1. a kind of azimuth plane synthesizer for radar antenna, it is characterised in that the azimuth plane synthesizer includes：
Rear end for processing to be made choice and synthesized to received signal synthesizes processing component；
For to signal integrate the multi-channel power combination device of processing；
For carrying out the output directional coupler of coupling processing to signal；
Input terminal passes sequentially through rear end synthesis processing component, multi-channel power combination device, output directional coupler and is connected with output terminal；
The rear end synthesis processing component includes：Signal synthesizes process circuit；For being controlled switching switch to signal path；
Control circuit for control signal combiner circuit；
The signal synthesis process circuit includes two input channels.
2. the azimuth plane synthesizer according to claim 1 for radar antenna, it is characterised in that the signal synthesis
Process circuit include first input directional coupler, second input directional coupler, the first balanced device, the second balanced device, first
Azimuth plane regulation of width phase device, second party plane regulation of width phase device, two passage combiners.
3. the azimuth plane synthesizer according to claim 2 for radar antenna, it is characterised in that first input
Directional coupler one end is connected with the first input equipment, and the other end is connected with first balanced device one end；Described first is balanced
The device other end is connected with first party plane regulation of width phase device one end；The first party plane regulation of width phase device other end and two-way
Road combiner first end is connected；It is described second input directional coupler one end is connected with the second input equipment, the other end and
Second balanced device one end is connected；The second balanced device other end is connected with second party plane regulation of width phase device one end；Institute
The second party plane regulation of width phase device other end is stated with two passage combiner second ends to be connected；The 3rd end of two passages combiner
It is connected with multi-channel power combination device.
4. the azimuth plane synthesizer according to claim 2 for radar antenna, it is characterised in that the switching switch
It is connected respectively with first party plane regulation of width phase device and second party plane regulation of width phase device.
5. the azimuth plane synthesizer according to claim 2 for radar antenna, it is characterised in that the control circuit
It is connected respectively with first party plane regulation of width phase device, second party plane regulation of width phase device, switching switch.
6. the azimuth plane synthesizer according to claim 2 for radar antenna, it is characterised in that described first is balanced
Device includes：
For the first equalizing circuit module for being blocked to low frequency input signal, being turned on to high-frequency input signal；
T-shaped attenuation network；
For the second equalizing circuit module for being blocked to high-frequency input signal, being turned on to low-frequency input signal；
The T-shaped attenuation network and the first equalizing circuit wired in parallel；
The first input directional coupler connects first party by the first equalizing circuit module with T-shaped attenuation network respectively
Plane regulation of width phase device, the T-shaped attenuation network are also connected with the second equalizing circuit module.
7. the azimuth plane synthesizer according to claim 1 for radar antenna, it is characterised in that the azimuth plane closes
12 rear ends are included into device and synthesize processing component, and the multi-channel power combination device is 12 passage combiners；The rear end synthesis group
Input terminal of the part with multi-channel power combination device is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308159.XA CN108008357A (en) | 2017-12-11 | 2017-12-11 | A kind of azimuth plane synthesizer for radar antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308159.XA CN108008357A (en) | 2017-12-11 | 2017-12-11 | A kind of azimuth plane synthesizer for radar antenna |
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| CN108008357A true CN108008357A (en) | 2018-05-08 |
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| CN201711308159.XA Pending CN108008357A (en) | 2017-12-11 | 2017-12-11 | A kind of azimuth plane synthesizer for radar antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110620559A (en) * | 2019-09-17 | 2019-12-27 | 上海交通大学 | Radio frequency signal amplitude and phase control module and method |
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