CN104777457A - Time sequence control device and method for frequency scanning beam - Google Patents

Time sequence control device and method for frequency scanning beam Download PDF

Info

Publication number
CN104777457A
CN104777457A CN201510185719.1A CN201510185719A CN104777457A CN 104777457 A CN104777457 A CN 104777457A CN 201510185719 A CN201510185719 A CN 201510185719A CN 104777457 A CN104777457 A CN 104777457A
Authority
CN
China
Prior art keywords
fcode
tas
tws
scanning
wave beam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510185719.1A
Other languages
Chinese (zh)
Other versions
CN104777457B (en
Inventor
闫冯军
许德刚
韩燕�
董巍
张学森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CETC 38 Research Institute
Original Assignee
CETC 38 Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CETC 38 Research Institute filed Critical CETC 38 Research Institute
Priority to CN201510185719.1A priority Critical patent/CN104777457B/en
Publication of CN104777457A publication Critical patent/CN104777457A/en
Application granted granted Critical
Publication of CN104777457B publication Critical patent/CN104777457B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Abstract

The invention discloses a time sequence control device for a frequency scanning beam. The device comprises a signal processor and a communication device. The signal processor comprises a programmable device and a static random access memory. The programmable device adopts an FPGA (Field Programmable Gate Array) and logically comprises a signal processing algorithm module, a beam time sequence generation module and a beam parameter control module, wherein the beam time sequence generation module and the beam parameter control module are highly integrated with the signal processing algorithm module. The static random access memory is connected with the FPGA, and the communication device and the signal processor are integrated on the same board card. The invention further discloses a time sequence control method for the frequency scanning beam. The device and the method have the advantages that the structure is optimized, an interface is simplified, and the cost is low; the time sequence control method is implemented through the FPGA in the signal processor in a fully-digitized way; the design is flexible and efficient, and the reliability is high; the device and the method are particularly applicable to medium-and-small-scale radar systems and are mainly applied to the field of signal processing and control.

Description

A kind of frequency sweeping wave beam time sequence control device and control method thereof
Technical field
The present invention relates to signal transacting and control technology field, particularly relate to a kind of frequency sweeping wave beam time sequence control device and control method thereof.
Background technology
The beam scanning mode of antenna is generally divided into mechanical scanning and electron scanning two kinds of modes, and wherein electron scanning can be divided into phasescan and frequency sweeping again.Along with the develop rapidly of robot calculator and integrated circuit technique, phasescan system at new system radar, as being widely used in phased-array radar etc.But based on the phased array system system complex of digital beam froming (DBF), huge structure, core component (as TR) cost is very high.In the radar of middle-size and small-size scale, although use the electron scanning mode of phase control flexibly can obtain good Effect on Detecting and efficient design, be difficult to structure, the requirement such as power consumption and cost of taking into account this type of radar.
The wave beam of traditional electronic scanning radar controls and dispatching method is all generally based on independently wave beam control extensions or independently hardware module.These modules are on equipment and functionally all parallel with signal processor, by independently one or more plug-in unit, backboard form, there are independently structural member and power supply unit, carry out calculating and the control of beam parameters based on computing machine or logical device, and process extension set by TTL, serial ports, network or optical fiber etc. with other and carry out data transmission and communicate.This wave beam control and dispatching method comparatively complicated, dirigibility, reliability, portable in all to be improved.
The advantage of electron scanning is beam position Digital Implementation, controls flexibly, switches rapidly, and wave beam victory becomes without mudulation effect etc.Along with the development of digitized radar and the particular/special requirement to detection and tracking identification, in the scheduling real-time of digital beam, propose higher demand.Software and hardware can realize that the fixed point of wave beam is resident, search sweep at any time flexibly rapidly, and can rational distribution T WS (trackings of scanning limit, limit) and the technical elements of TAS (tracking adds search) resource is still to be improved, raising in tracing process.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, disclose that a kind of structure is simple, integrated level is high, power consumption is few, cost is low, code is efficient, flexible design, reliability are high, portability is strong, avoid the diversity of the complicacy of conventional beam steering system and software and hardware Project Realization and be convenient to the frequency sweeping wave beam time sequence control device of software simulating and the control method thereof of complicated wave beam scheduling feature.
The present invention solves the problems of the technologies described above by the following technical solutions: a kind of frequency sweeping wave beam time sequence control device, comprise signal processor and communicator, described frequency sweeping wave beam time sequence control device adopts integrated hardware framework, and described communicator and described signal processor are integrated on same board; Described signal processor, for completing the Project Realization of the sequential control method of frequency sweeping wave beam, comprising:
1) design waveform activation schedule, select waveform pattern;
2) trigger based on waveform, in the district of stopping of last periodic emission signal at each coherent processing interval, produce frequency activation schedule;
3) trigger based on frequency, produce ripple position and trigger, first guarantee at the signal not affecting this cycle in district that stops, ripple position is set simultaneously and is triggered to next coherent processing protected location interval time Δ t > t delay, wherein Δ t represents when prewave position is triggered to time between next coherent processing interval, t delayfrequently combine the physical delay time that described in module responds, ripple position is triggered;
4) arrange beam scanning mode of operation, described beam scanning mode of operation comprises fixed point mode and non-fixed point mode; Under described fixed point mode, design each coherent processing interval, produce fixing frequency code, realize wave beam fixed point resident; Under described non-fixed point mode, beam scanning center, beam scanning scope, scanning lifting sequence and scanning step footpath parameter need be set; Under described non-fixed point mode, need design beam scanning frequency code, described non-fixed point mode comprises search pattern and tracing mode;
5) under described search pattern, carry out scanning limit, single limit to follow the tracks of, now based on above-mentioned 1) ~ 3) sequential relationship press Fcode (i+1)=Fcode (i) ± Δ code and design beam control parameters, wherein Fcode is frequency code, be the coding of frequency sweeping wave beam in orientation, i is ripple position sequence number, and Δ code is frequency code scanning step footpath, and increase progressively and successively decrease the ascending order pattern and descending pattern that represent beam scanning respectively; In described ascending order pattern, when scanning boundary condition Fcenter+Farea, next coherent processing interval jumps to Fcenter-Farea; In described descending pattern, when scanning boundary condition Fcenter-Farea, next coherent processing interval jumps to Fcenter+Farea, and wherein Fcenter is beam scanning center, and Farea is beam scanning scope;
6) under described tracing mode, take into account scanning limit, limit follow the tracks of and tracking add search two kinds of scan modes; The implementation method of scanning limit, described limit tracing mode is as above-mentioned 5) as described in; And described tracking adds search pattern needs inserts tracking beam under the tracing mode of scanning limit, normal described limit in real time, now based on above-mentioned 1) ~ 3) sequential relationship design beam control parameters as follows: set described tracking to add the data transfer rate of search as 1/T, wherein T follows the tracks of the total repetition period adding search, tracking beam number is N, T ibe the sub-repetition period of i-th tracking beam, i=1 ~ N, T tWSfor the search wave beam repetition period, then T=T 1+ T 2+ ... + T n+ KT tWS, K is the number of search wave beam in total repetition period; Several adjacent beams are superposed, i.e. T=m (T in the front and back of each tracking beam 1+ T 2+ ... + T n)+KT tWS, m is total numbers of beams of the actual transmissions of each tracking beam; T i=T tWStime, T=(mN+K) T tWS.
If m is odd number (m>1), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=1, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
If m is even number (m>2), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=2, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
Described communicator is used for:
1) real-time response shows optimum configurations and the operational order of control terminal, and carries out bus communication with described signal processor;
2) carrying out TTL with described signal processor to communicate, transmitting clock signal and beam control parameters to frequently combining module in real time.
Preferably, described signal processor comprises on-site programmable gate array FPGA, described on-site programmable gate array FPGA comprises signal processing algorithm module, wave beam sequence generation module and beam parameters control module in logic, described wave beam sequence generation module and beam parameters control module all with independent, intercommunication in logic in described signal processing algorithm functions of modules.
Preferably, described wave beam sequence generation module completes the timing Design of frequency sweeping wave beam, described beam parameters control module completes parameter computing and operation result is converted into steering order, described signal processing algorithm module exports at the controling parameters of described the FPGA inner output of wave beam sequential and described beam parameters control module that directly respond described wave beam sequence generation module, and the signal transacting for routine designs;
1) described wave beam sequence generation module design waveform activation schedule, selects waveform pattern;
2) trigger based on waveform, described wave beam sequence generation module produces frequency activation schedule in the district of stopping of last periodic emission signal at each coherent processing interval;
3) trigger based on frequency; described wave beam sequence generation module produces ripple position and triggers; first guarantee at the signal not affecting this cycle in district that stops, ripple position is set simultaneously and is triggered to next coherent processing interlude protected location Δ t > t delay, wherein Δ t represents when prewave position is triggered to time between next coherent processing interval, t delayfrequently combine the physical delay time that described in module responds, ripple position is triggered;
4) arrange beam scanning mode of operation, described beam scanning mode of operation comprises fixed point mode and non-fixed point mode; Under described fixed point mode, described beam parameters control module, by each coherent processing interval of described wave beam timing Design, produces fixing frequency code, realizes wave beam fixed point resident.
Preferably, under described non-fixed point mode, described beam parameters control module need arrange beam scanning center, beam scanning scope, scanning lifting sequence and scanning step footpath parameter; Described non-fixed point mode is divided into again search pattern and tracing mode; Under described search pattern, described beam parameters control module is carried out single scanning limit, limit and is followed the tracks of, now based on above-mentioned 1) ~ 3) sequential relationship press Fcode (i+1)=Fcode (i) ± Δ code and design beam control parameters, wherein Fcode is frequency code, be the coding of frequency sweeping wave beam in orientation, i is ripple position sequence number, and Δ code is frequency code scanning step footpath, and increase progressively and successively decrease the ascending order pattern and descending pattern that represent beam scanning respectively; In described ascending order pattern, when scanning boundary condition Fcenter+Farea, next coherent processing interval jumps to Fcenter-Farea; In described descending pattern, when scanning boundary condition Fcenter-Farea, next coherent processing interval jumps to Fcenter+Farea, and wherein Fcenter is beam scanning center, and Farea is beam scanning scope; Under described tracing mode, described beam parameters control module takes into account the tracking of scanning limit, limit and tracking adds search two kinds of scan modes; Described tracking adds search pattern needs and insert tracking beam in real time under the tracing mode of scanning limit, normal described limit, now based on above-mentioned 1) ~ 3) sequential relationship design beam control parameters as follows: set described tracking to add the data transfer rate of search as 1/T, wherein T follows the tracks of the total repetition period adding search, tracking beam number is N, T ibe the sub-repetition period of i-th tracking beam, i=1 ~ N, T tWSfor the search wave beam repetition period, then T=T 1+ T 2+ ... + T n+ KT tWS, K is the number of search wave beam in total repetition period; Several adjacent beams are superposed, i.e. T=m (T in the front and back of each tracking beam 1+ T 2+ ... + T n)+KT tWS, m is total numbers of beams of the actual transmissions of each tracking beam; T i=T tWStime, T=(mN+K) T tWS.
The present invention also provides a kind of sequential control method of frequency sweeping wave beam of above-mentioned any one, comprise the following steps:
1) described wave beam sequence generation module design waveform activation schedule, selects waveform pattern;
2) trigger based on waveform, described wave beam sequence generation module produces frequency activation schedule in the district of stopping of last periodic emission signal at each coherent processing interval;
3) trigger based on frequency; described wave beam sequence generation module produces ripple position and triggers; first guarantee at the signal not affecting this cycle in district that stops, ripple position is set simultaneously and is triggered to next coherent processing interlude protected location Δ t > t delay, wherein Δ t represents when prewave position is triggered to time between next coherent processing interval, t delayfrequently combine the physical delay time that described in module responds, ripple position is triggered;
4) arrange beam scanning mode of operation, described beam scanning mode of operation comprises fixed point mode and non-fixed point mode; Under described fixed point mode, described beam parameters control module, by each coherent processing interval of described wave beam timing Design, produces fixing frequency code, realizes wave beam fixed point resident.
Preferably, under described non-fixed point mode, described beam parameters control module need arrange the parameters such as beam scanning center, beam scanning scope, scanning lifting sequence and scanning step footpath; Described non-fixed point mode is divided into again search pattern and tracing mode; Under described search pattern, described beam parameters control module is carried out single scanning limit, limit and is followed the tracks of, now based on above-mentioned 1) ~ 3) sequential relationship press Fcode (i+1)=Fcode (i) ± Δ code and design beam control parameters, wherein Fcode is frequency code, be the coding of frequency sweeping wave beam in orientation, i is ripple position sequence number, and Δ code is frequency code scanning step footpath, and increase progressively and successively decrease the ascending order pattern and descending pattern that represent beam scanning respectively; In described ascending order pattern, when scanning boundary condition Fcenter+Farea, next coherent processing interval jumps to Fcenter-Farea; In described descending pattern, when scanning boundary condition Fcenter-Farea, next coherent processing interval jumps to Fcenter+Farea, and wherein Fcenter is beam scanning center, and Farea is beam scanning scope; Described tracking adds search pattern needs and insert tracking beam in real time under the tracing mode of scanning limit, normal described limit, now based on above-mentioned 1) ~ 3) sequential relationship design beam control parameters: set described tracking to add the data transfer rate of search as 1/T, wherein T follows the tracks of the total repetition period adding search, tracking beam number is N, T ibe the sub-repetition period of i-th tracking beam, i=1 ~ N, T tWSfor the search wave beam repetition period, then T=T 1+ T 2+ ... + T n+ KT tWS, K is the number of search wave beam in total repetition period; Several adjacent beams are superposed, i.e. T=m (T in the front and back of each tracking beam 1+ T 2+ ... + T n)+KT tWS, m is total numbers of beams of the actual transmissions of each tracking beam, T i=T tWStime, T=(mN+K) T tWS;
If m is odd number (m>1), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=1, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
If m is even number (m>2), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=2, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…。
Preferably, described control method adopts Quartus software to be development environment, and VHDL hardware description language is developing instrument.
The invention has the advantages that: by adopting the hardware structure of integration, realize numeral integrated with analog interface height, signal transacting and wave beam control highly integrated, interior external tapping simplifies more, embody the requirement of high integrated, low-power consumption, portability, be specially adapted to the radar system of middle-size and small-size scale; Frequency sweeping wave beam sequential control core methed is all developed based on FPGA, Quartus software is adopted to be development environment, VHDL hardware description language is developing instrument, avoids the complicacy of conventional beam steering system and the diversity of software and hardware Project Realization; By in parallel in signal processing algorithm module wave beam sequence generation module and beam parameters control module, be convenient to the software simulating of complicated wave beam scheduling feature; Wave beam sequential control method is by adopting parametrization and modular design, and code is efficient, flexible design, and reliability is high, portable strong effect.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of frequency sweeping wave beam of embodiment of the present invention time sequence control device.
Fig. 2 is the frequency scan antenna beam scanning schematic flow sheet of the embodiment of the present invention.
Fig. 3 is the wave beam Control timing sequence graph of a relation of the embodiment of the present invention.
Fig. 4 is the beam-steering methods schematic block diagram of the embodiment of the present invention.
Embodiment
By reference to the accompanying drawings, by embodiment, the invention will be further described.
As shown in Figure 1, the present embodiment provides a kind of frequency sweeping wave beam time sequence control device, and this device adopts the hardware structure of integration, and comprise signal processor and communicator, communicator and signal processor are integrated on same board.The Project Realization of the sequential control method of frequency sweeping wave beam completes in the signal processor of routine.Signal processor comprises FPGA and SRAM, and communicator comprises ADC, DAC, MPU and driver.Wherein FPGA represents field programmable gate array, and MPU represents embedded microprocessor, and ADC represents analog to digital converter, and DAC represents digital to analog converter, and SRAM represents static RAM.FPGA comprises signal processing algorithm module, wave beam sequence generation module and beam parameters control module, wave beam sequence generation module and beam parameters control module all with independent, intercommunication in logic in described signal processing algorithm functions of modules.FPGA also realizes the communication with aobvious control terminal by bus and MPU intraconnection, and FPGA is controlled and data transmission with the TTL of microwave unit by driver, ADC and DAC realization, and SRAM is as the process buffer unit of signal processor.
As shown in Figure 2, the scanning of the present embodiment optimized frequency, as electron scanning mode, also can adopt phasescan.Compare phasescan, adopt frequency sweeping can reduce equipment cost, improve the compactedness of equipment and the dirigibility of design, be specially adapted to the middle-size and small-size radar system adopting electron scanning system.The flow process of frequency scan antenna beam scanning is: signal processor produces wave beam timing control signal based on the controling parameters of aobvious control terminal, frequency code signal is sent to the Frequency Synthesizer of microwave unit, and frequency scan antenna realizes wave beam real time scan based on the frequency change that Frequency Synthesizer exports.
As in Figure 2-4, the sequential control method of the present embodiment frequency sweeping wave beam adopts Quartus software to be development environment, and VHDL hardware description language is developing instrument, comprises the following steps:
(1) wave beam sequence generation module design waveform activation schedule, selects waveform pattern, and waveform code is triggered by leading and squeezes into;
(2) trigger based on waveform, wave beam sequence generation module produces frequency activation schedule in the district of stopping of last periodic emission signal at each coherent processing interval, and frequency code synchronously latches;
(3) trigger based on frequency; described wave beam sequence generation module produces ripple position and triggers; first guarantee at the signal not affecting this cycle in district that stops, ripple position is set simultaneously and is triggered to next coherent processing interlude protected location Δ t > t delay, wherein Δ t represents when prewave position is triggered to time between next coherent processing interval, t delayfrequently combine the physical delay time that described in module responds, ripple position is triggered;
(4) arrange beam scanning mode of operation, when under fixed point mode, beam parameters control module, by each coherent processing interval of described wave beam timing Design, produces fixing frequency code, realizes wave beam fixed point resident; Under non-fixed point mode, beam parameters control module need arrange the parameters such as beam scanning center, beam scanning scope, scanning lifting sequence and scanning step footpath; Non-fixed point mode is divided into again search pattern and tracing mode;
(5) beam scanning frequency code is designed, under described search pattern, carry out scanning limit, single limit to follow the tracks of, now press Fcode (i+1)=Fcode (i) ± Δ code based on the sequential relationship of above-mentioned (1) ~ (3) and design beam control parameters, wherein Fcode is frequency code, be the coding of frequency sweeping wave beam in orientation, i is ripple position sequence number, Δ code is frequency code scanning step footpath, and increase progressively and successively decrease the ascending order pattern and descending pattern that represent beam scanning respectively; In described ascending order pattern, when scanning boundary condition Fcenter+Farea, next coherent processing interval jumps to Fcenter-Farea; In described descending pattern, when scanning boundary condition Fcenter-Farea, next coherent processing interval jumps to Fcenter+Farea, and wherein Fcenter is beam scanning center, and Farea is beam scanning scope;
(6) design beam scanning frequency code, under described tracing mode, take into account scanning limit, limit and to follow the tracks of and tracking adds search two kinds of scan modes; The implementation method of scanning limit, described limit tracing mode is as described in step (5), and described tracking adds search pattern needs inserts tracking beam under the tracing mode of scanning limit, normal described limit in real time, sequential relationship now based on above-mentioned (1) ~ (3) designs beam control parameters as follows: set described tracking to add the data transfer rate of search as 1/T, wherein T follows the tracks of the total repetition period adding search, tracking beam number is N, T ibe the sub-repetition period of i-th tracking beam, i=1 ~ N, T tWSfor the search wave beam repetition period, then T=T 1+ T 2+ ... + T n+ KT tWS, K is the number of search wave beam in total repetition period; Several adjacent beams are superposed, i.e. T=m (T in the front and back of each tracking beam 1+ T 2+ ... + T n)+KT tWS, m is total numbers of beams of the actual transmissions of each tracking beam; T i=T tWStime, T=(mN+K) T tWS.
If m is odd number (m>1), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=1, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
If m is even number (m>2), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=2, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…。
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; the any amendment done within all spirit in the invention and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in the invention.

Claims (7)

1. a frequency sweeping wave beam time sequence control device, comprise signal processor and communicator, it is characterized in that, described frequency sweeping wave beam time sequence control device adopts integrated hardware framework, and described communicator and described signal processor are integrated on same board; Described signal processor, for completing the Project Realization of the sequential control method of frequency sweeping wave beam, comprising:
1) design waveform activation schedule, select waveform pattern;
2) trigger based on waveform, in the district of stopping of last periodic emission signal at each coherent processing interval, produce frequency activation schedule;
3) trigger based on frequency, produce ripple position and trigger, first guarantee at the signal not affecting this cycle in district that stops, ripple position is set simultaneously and is triggered to next coherent processing protected location interval time Δ t > t delay, wherein Δ t represents when prewave position is triggered to time between next coherent processing interval, t delayfrequently combine the physical delay time that described in module responds, ripple position is triggered;
4) arrange beam scanning mode of operation, described beam scanning mode of operation comprises fixed point mode and non-fixed point mode; Under described fixed point mode, design each coherent processing interval, produce fixing frequency code, realize wave beam fixed point resident; Under described non-fixed point mode, beam scanning center, beam scanning scope, scanning lifting sequence and scanning step footpath parameter need be set; Under described non-fixed point mode, need design beam scanning frequency code, described non-fixed point mode comprises search pattern and tracing mode;
5) under described search pattern, carry out scanning limit, single limit to follow the tracks of, now based on above-mentioned 1) ~ 3) sequential relationship press Fcode (i+1)=Fcode (i) ± Δ code and design beam control parameters, wherein Fcode is frequency code, be the coding of frequency sweeping wave beam in orientation, i is ripple position sequence number, and Δ code is frequency code scanning step footpath, and increase progressively and successively decrease the ascending order pattern and descending pattern that represent beam scanning respectively; In described ascending order pattern, when scanning boundary condition Fcenter+Farea, next coherent processing interval jumps to Fcenter-Farea; In described descending pattern, when scanning boundary condition Fcenter-Farea, next coherent processing interval jumps to Fcenter+Farea, and wherein Fcenter is beam scanning center, and Farea is beam scanning scope;
6) under described tracing mode, take into account scanning limit, limit follow the tracks of and tracking add search two kinds of scan modes; The implementation method of scanning limit, described limit tracing mode is as above-mentioned 5) as described in; And described tracking adds search pattern needs inserts tracking beam under the tracing mode of scanning limit, normal described limit in real time, now based on above-mentioned 1) ~ 3) sequential relationship design beam control parameters as follows: set described tracking to add the data transfer rate of search as 1/T, wherein T follows the tracks of the total repetition period adding search, tracking beam number is N, T ibe the sub-repetition period of i-th tracking beam, i=1 ~ N, T tWSfor the search wave beam repetition period, then T=T 1+ T 2+ ... + T n+ KT tWS, K is the number of search wave beam in total repetition period; Several adjacent beams are superposed, i.e. T=m (T in the front and back of each tracking beam 1+ T 2+ ... + T n)+KT tWS, m is total numbers of beams of the actual transmissions of each tracking beam; T i=T tWStime, T=(mN+K) T tWS;
If m is odd number (m>1), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=1, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
If m is even number (m>2), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=2, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
Described communicator is used for:
1) real-time response shows optimum configurations and the operational order of control terminal, and carries out bus communication with described signal processor;
2) carrying out TTL with described signal processor to communicate, transmitting clock signal and beam control parameters to frequently combining module in real time.
2. a kind of frequency sweeping wave beam time sequence control device according to claim 1, it is characterized in that, described signal processor comprises on-site programmable gate array FPGA, described on-site programmable gate array FPGA comprises signal processing algorithm module, wave beam sequence generation module and beam parameters control module in logic, described wave beam sequence generation module and beam parameters control module all with independent, intercommunication in logic in described signal processing algorithm functions of modules.
3. a kind of frequency sweeping wave beam time sequence control device according to claim 2, it is characterized in that, described wave beam sequence generation module completes the timing Design of frequency sweeping wave beam, described beam parameters control module completes parameter computing and operation result is converted into steering order, described signal processing algorithm module exports at the controling parameters of described the FPGA inner output of wave beam sequential and described beam parameters control module that directly respond described wave beam sequence generation module, and the signal transacting for routine designs;
1) described wave beam sequence generation module design waveform activation schedule, selects waveform pattern;
2) trigger based on waveform, described wave beam sequence generation module produces frequency activation schedule in the district of stopping of last periodic emission signal at each coherent processing interval;
3) trigger based on frequency; described wave beam sequence generation module produces ripple position and triggers; first guarantee at the signal not affecting this cycle in district that stops, ripple position is set simultaneously and is triggered to next coherent processing interlude protected location Δ t > t delay, wherein Δ t represents when prewave position is triggered to time between next coherent processing interval, t delayfrequently combine the physical delay time that described in module responds, ripple position is triggered;
4) arrange beam scanning mode of operation, described beam scanning mode of operation comprises fixed point mode and non-fixed point mode; Under described fixed point mode, described beam parameters control module, by each coherent processing interval of described wave beam timing Design, produces fixing frequency code, realizes wave beam fixed point resident.
4. a kind of frequency sweeping wave beam time sequence control device according to claim 3, it is characterized in that, under described non-fixed point mode, described beam parameters control module need arrange beam scanning center, beam scanning scope, scanning lifting sequence and scanning step footpath parameter; Described non-fixed point mode is divided into again search pattern and tracing mode; Under described search pattern, described beam parameters control module is carried out single scanning limit, limit and is followed the tracks of, now based on above-mentioned 1) ~ 3) sequential relationship press Fcode (i+1)=Fcode (i) ± Δ code and design beam control parameters, wherein Fcode is frequency code, be the coding of frequency sweeping wave beam in orientation, i is ripple position sequence number, and Δ code is frequency code scanning step footpath, and increase progressively and successively decrease the ascending order pattern and descending pattern that represent beam scanning respectively; In described ascending order pattern, when scanning boundary condition Fcenter+Farea, next coherent processing interval jumps to Fcenter-Farea; In described descending pattern, when scanning boundary condition Fcenter-Farea, next coherent processing interval jumps to Fcenter+Farea, and wherein Fcenter is beam scanning center, and Farea is beam scanning scope; Under described tracing mode, described beam parameters control module takes into account the tracking of scanning limit, limit and tracking adds search two kinds of scan modes; Described tracking adds search pattern needs and insert tracking beam in real time under the tracing mode of scanning limit, normal described limit, now based on above-mentioned 1) ~ 3) sequential relationship design beam control parameters as follows: set described tracking to add the data transfer rate of search as 1/T, wherein T follows the tracks of the total repetition period adding search, tracking beam number is N, T ibe the sub-repetition period of i-th tracking beam, i=1 ~ N, T tWSfor the search wave beam repetition period, then T=T 1+ T 2+ ... + T n+ KT tWS, K is the number of search wave beam in total repetition period; Several adjacent beams are superposed, i.e. T=m (T in the front and back of each tracking beam 1+ T 2+ ... + T n)+KT tWS, m is total numbers of beams of the actual transmissions of each tracking beam; T i=T tWStime, T=(mN+K) T tWS.
5. a sequential control method for a kind of frequency sweeping wave beam according to any one of claim 1-4, is characterized in that, comprise the following steps:
1) described wave beam sequence generation module design waveform activation schedule, selects waveform pattern;
2) trigger based on waveform, described wave beam sequence generation module produces frequency activation schedule in the district of stopping of last periodic emission signal at each coherent processing interval;
3) trigger based on frequency; described wave beam sequence generation module produces ripple position and triggers; first guarantee at the signal not affecting this cycle in district that stops, ripple position is set simultaneously and is triggered to next coherent processing interlude protected location Δ t > t delay, wherein Δ t represents when prewave position is triggered to time between next coherent processing interval, t delayfrequently combine the physical delay time that described in module responds, ripple position is triggered;
4) arrange beam scanning mode of operation, described beam scanning mode of operation comprises fixed point mode and non-fixed point mode; Under described fixed point mode, described beam parameters control module, by each coherent processing interval of described wave beam timing Design, produces fixing frequency code, realizes wave beam fixed point resident.
6. the sequential control method of a kind of frequency sweeping wave beam according to claim 5, it is characterized in that, under described non-fixed point mode, described beam parameters control module need arrange the parameters such as beam scanning center, beam scanning scope, scanning lifting sequence and scanning step footpath; Described non-fixed point mode is divided into again search pattern and tracing mode; Under described search pattern, described beam parameters control module is carried out single scanning limit, limit and is followed the tracks of, now based on above-mentioned 1) ~ 3) sequential relationship press Fcode (i+1)=Fcode (i) ± Δ code and design beam control parameters, wherein Fcode is frequency code, be the coding of frequency sweeping wave beam in orientation, i is ripple position sequence number, and Δ code is frequency code scanning step footpath, and increase progressively and successively decrease the ascending order pattern and descending pattern that represent beam scanning respectively; In described ascending order pattern, when scanning boundary condition Fcenter+Farea, next coherent processing interval jumps to Fcenter-Farea; In described descending pattern, when scanning boundary condition Fcenter-Farea, next coherent processing interval jumps to Fcenter+Farea, and wherein Fcenter is beam scanning center, and Farea is beam scanning scope; Described tracking adds search pattern needs and insert tracking beam in real time under the tracing mode of scanning limit, normal described limit, now based on above-mentioned 1) ~ 3) sequential relationship design beam control parameters: set described tracking to add the data transfer rate of search as 1/T, wherein T follows the tracks of the total repetition period adding search, tracking beam number is N, T ibe the sub-repetition period of i-th tracking beam, i=1 ~ N, T tWSfor the search wave beam repetition period, then T=T 1+ T 2+ ... + T n+ KT tWS, K is the number of search wave beam in total repetition period; Several adjacent beams are superposed, i.e. T=m (T in the front and back of each tracking beam 1+ T 2+ ... + T n)+KT tWS, m is total numbers of beams of the actual transmissions of each tracking beam, T i=T tWStime, T=(mN+K) T tWS;
If m is odd number (m>1), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…，Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-(m-1)/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m-1)/2,
Fcode TAS(2)-(m-1)/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m-1)/2,
…
Fcode TAS(N)-(m-1)/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m-1)/2,
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=1, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1),Fcode TAS(2),…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
If m is even number (m>2), search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, then in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-m/2,…,Fcode TAS(1),…,Fcode TAS(1)+(m/2-1),
Fcode TAS(2)-m/2,…,Fcode TAS(2),…,Fcode TAS(2)+(m/2-1),
…
Fcode TAS(N)-m/2,…,Fcode TAS(N),…,Fcode TAS(N)+(m/2-1),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…
As m=2, search beam frequencies code presses Fcode tWS (i+1)=Fcode tWS (i)± Δ code changes, and in continuous two total wave beam cycles, the relative timing of frequency code is arranged as:
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(1),Fcode TWS(2),…,Fcode TWS(K),
Fcode TAS(1)-1,…,Fcode TAS(1),
Fcode TAS(2)-1,…,Fcode TAS(2),
…
Fcode TAS(N)-1,…,Fcode TAS(N),
Fcode TWS(k+1),Fcode TWS(k+2),…,Fcode TWS(2K),
…。
7. the sequential control method of a kind of frequency sweeping wave beam according to claim 5, is characterized in that, described control method adopts Quartus software to be development environment, and VHDL hardware description language is developing instrument.
CN201510185719.1A 2015-04-17 2015-04-17 A kind of frequency scanning wave beam time sequence control device and its control method Active CN104777457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510185719.1A CN104777457B (en) 2015-04-17 2015-04-17 A kind of frequency scanning wave beam time sequence control device and its control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510185719.1A CN104777457B (en) 2015-04-17 2015-04-17 A kind of frequency scanning wave beam time sequence control device and its control method

Publications (2)

Publication Number Publication Date
CN104777457A true CN104777457A (en) 2015-07-15
CN104777457B CN104777457B (en) 2017-03-08

Family

ID=53619037

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510185719.1A Active CN104777457B (en) 2015-04-17 2015-04-17 A kind of frequency scanning wave beam time sequence control device and its control method

Country Status (1)

Country Link
CN (1) CN104777457B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105068055A (en) * 2015-07-28 2015-11-18 武汉大学 Dual-band full-digital linear frequency modulation system radar control method
CN106019273A (en) * 2016-08-16 2016-10-12 上海航天测控通信研究所 Radar illumination control device based on optical fiber
CN106324591A (en) * 2016-08-19 2017-01-11 中国船舶重工集团公司第七二四研究所 Object multi-mode tracking method based on phased array system radar
CN106597385A (en) * 2016-11-11 2017-04-26 西安电子工程研究所 Helicopter radar data link integrated radio frequency design method
CN109076454A (en) * 2016-05-13 2018-12-21 瑞典爱立信有限公司 The received method and apparatus of enabled beam scanning transmission
CN109799485A (en) * 2019-01-31 2019-05-24 北京无线电测量研究所 Wave beam Control card

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344847A (en) * 2013-07-03 2013-10-09 中国船舶重工集团公司第七二四研究所 Simultaneous multi-beam accurate scanning and sampling method in phased-array antenna near-field measurement
CN104022363A (en) * 2014-06-10 2014-09-03 电子科技大学 Frequency-control wave beam/focal point scanning plane reflective array/reflector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344847A (en) * 2013-07-03 2013-10-09 中国船舶重工集团公司第七二四研究所 Simultaneous multi-beam accurate scanning and sampling method in phased-array antenna near-field measurement
CN104022363A (en) * 2014-06-10 2014-09-03 电子科技大学 Frequency-control wave beam/focal point scanning plane reflective array/reflector

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
YANG FENG, ET AL: "Performance evaluation of multiple-target tracking system", 《CONTROL AND DECISION CONFERENCE (CCDC2010)》 *
ZHANG BOYAN ,ET AL: "Computer control techniques of phased array radars", 《JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS》 *
许德刚，杨雪亚，闫冯军: "空域自适应处理技术在外辐射源雷达探测中的应用", 《火控雷达技术》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105068055A (en) * 2015-07-28 2015-11-18 武汉大学 Dual-band full-digital linear frequency modulation system radar control method
CN109076454A (en) * 2016-05-13 2018-12-21 瑞典爱立信有限公司 The received method and apparatus of enabled beam scanning transmission
CN109076454B (en) * 2016-05-13 2021-08-06 瑞典爱立信有限公司 Method and apparatus for enabling reception of beam scanning transmissions
CN106019273A (en) * 2016-08-16 2016-10-12 上海航天测控通信研究所 Radar illumination control device based on optical fiber
CN106324591A (en) * 2016-08-19 2017-01-11 中国船舶重工集团公司第七二四研究所 Object multi-mode tracking method based on phased array system radar
CN106324591B (en) * 2016-08-19 2018-08-31 中国船舶重工集团公司第七二四研究所 A kind of target multimode tracking method based on phased array radar
CN106597385A (en) * 2016-11-11 2017-04-26 西安电子工程研究所 Helicopter radar data link integrated radio frequency design method
CN109799485A (en) * 2019-01-31 2019-05-24 北京无线电测量研究所 Wave beam Control card

Also Published As

Publication number Publication date
CN104777457B (en) 2017-03-08

Similar Documents

Publication Publication Date Title
CN104777457A (en) Time sequence control device and method for frequency scanning beam
CN108051786A (en) A kind of broadband target simulator verification platform and verification method
CN102023293B (en) Radar target intermediate frequency (IR) echo simulation system based on multi-beam amplitude-comparison angle measurement and control method thereof
CN109946666A (en) MMW RADAR SIGNAL USING processing system based on MPSoC
CN103558590B (en) A kind of radar signal simulator system and signal imitation method thereof
CN104216324B (en) Related methods of synthetic aperture radar task management controller
CN107967237B (en) Integrated computer for spaceborne SAR (synthetic aperture radar) load
CN104698445B (en) A kind of radar echo simulation method and radar echo signal simulator
CN102904550A (en) Multi-channel synchronous waveform generator based on AD9959
CN109298403B (en) High-speed signal processing and beam control device and method
CN107168098A (en) A kind of Electronic Countermeasures Simulation System
CN202929519U (en) Multichannel phase adjustable signal generator
CN107192991A (en) A kind of radio-frequency radiation formula emulates wideband pulse radar imagery equivalent simulation method
CN104808186A (en) Portable universal radar signal simulator
CN106680805A (en) Method for tracing target with self-adaptive variable waveform
CN208270756U (en) Airborne fire control radar echo signal simulation system
CN103543440B (en) Based on the digital beam froming apparatus and method of FPGA programmable delay circuit
CN105676197B (en) A kind of array radar echo simulator and its analogy method
CN108107389A (en) Magnetic nuclear resonance radio frequency impulse generator and control method based on digital modulation technique
CN107589410A (en) One kind is without breakpoint Multiple Target Signals synthetic method
CN102866390A (en) Synthetic aperture radar echo simulator and echo simulation processing method
CN108802702A (en) A kind of simulator based on radar echo signal
CN104754249A (en) Signal processing system for underwater imaging sonar
CN104090267A (en) Method for synchronization between digital beam forming sub-arrays
CN110579745A (en) Method for improving millimeter wave radar production line testing efficiency

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Yan Fengjun

Inventor after: Xu Degang

Inventor after: Xie Kai

Inventor after: Han Yan

Inventor after: Dong Wei

Inventor after: Zhang Xuesen

Inventor before: Yan Fengjun

Inventor before: Xu Degang

Inventor before: Han Yan

Inventor before: Dong Wei

Inventor before: Zhang Xuesen

COR Change of bibliographic data
C14 Grant of patent or utility model
GR01 Patent grant