CN209182497U - A kind of igh-speed wire-rod production line and beam control device - Google Patents
A kind of igh-speed wire-rod production line and beam control device Download PDFInfo
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- CN209182497U CN209182497U CN201821984867.5U CN201821984867U CN209182497U CN 209182497 U CN209182497 U CN 209182497U CN 201821984867 U CN201821984867 U CN 201821984867U CN 209182497 U CN209182497 U CN 209182497U
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Abstract
The utility model provides a kind of igh-speed wire-rod production line and beam control device, high-speed sampling is carried out to two-way radar echo signal respectively by AD sampling module, the data after sampling, which are sent on FPGA+DSP processing platform, carries out the processing of the Radar Algorithms such as Digital Down Convert, pulse compression, multi-target detection；Simultaneously, also the real-time generation calculated with control driving to radar front all components phase is realized on FPGA+DSP processing platform, by completing the control to T/R component, realize the control to wave beam is mutually swept, its beam position is flexible, it may be implemented quickly to scan, complete the detection and tracking to multiple moving-targets, and there is preferable interference free performance；Its integrated level is higher, and scalability is stronger, greatly reduces hardware device quantity, reduces development cost and design difficulty, minimizes radar complete machine, and fining, portability is possibly realized.
Description
Technical field
The utility model relates to phased array technology fields more particularly to the control of a kind of igh-speed wire-rod production line and wave beam to fill
It sets.
Background technique
Currently, with the complication of radar application, becoming privileged, many strict requirements are proposed to radar whole design,
Various new technologies continue to bring out and perfect background under, phased-array radar is developed rapidly, in order to reach higher work
Make frequency range and more preferably working performance, system design gradually tends to miniaturization and rapid, is guaranteeing that signal processing high speed transports
While row, beam steering module is the key component of phased-array radar.In existing design method, it is based on large-scale integrated
The control program of circuit allows wave beam control function to tend to modularization and systematization, and the use of the master devices such as FPGA and DSP mentions
The arithmetic speed for having risen wave beam control has many advantages, such as that flexible in programming, debugging are convenient, portable high.
But in currently existing scheme, signal processing controls two big functional modules with wave beam and would generally independently be set by separating
Meter, this not only adds number of devices, increase hardware cost, limit the weight and size of radar complete machine, also increase each
Cascade complexity, increases design difficulty between board, so that debugging is difficult, the development cycle is long.
Utility model content
The purpose of this utility model is to provide a kind of igh-speed wire-rod production line and beam control device, can be realized to mutually sweeping
The control of wave beam completes detection and tracking to multiple moving-targets, and has preferable interference free performance；Integrated level is higher, can
Scalability is stronger, greatly reduces hardware device quantity, reduces development cost and design difficulty, minimizes radar complete machine,
Fining, portability are possibly realized.
To achieve the goals above, the utility model uses following technical scheme:
A kind of igh-speed wire-rod production line and beam control device, including power supply/clock module including AD sampling module, FPGA
Module, DSP module and control interface module；Wherein,
The AD sampling module, FPGA module, DSP module, power supply/clock module and control interface module are integrated in same
On circuit board, and power supply/clock module is used to provide work for AD sampling module, FPGA module, DSP module and control interface module
Power supply and clock needed for making；
The AD sampling module is used to acquire the phased-array radar echo-signal of input, and it is transferred to FPGA module；
The FPGA module includes AD control unit, DDC unit, SRIO interface unit, EMIF interface unit, system control
Unit, RS422 interface unit, Beamsteering Unit and bus extension unit；The input terminal and AD sampling module of AD control unit
Output end connection, the output end of AD control unit connect with the input terminal of DDC unit, and output end and the SRIO of DDC unit connect
The input terminal connection of mouth unit；The output end of EMIF interface unit and the input terminal of SRIO interface unit and Beamsteering Unit are equal
Connection, EMIF interface unit are also communicated to connect with system control unit；System control unit also with Beamsteering Unit communication link
It connects；
The DSP module includes pulse compression unit, moving-target indicating unit, moving-target detection unit, CFAR detection
Unit, target information processing unit and configuration unit, pulse compression unit are connected by SRIO interface unit and the FPGA module
It connects, and pulse compression unit, moving-target indicating unit, moving-target detection unit, CFAR detection unit, target information processing list
Member is sequentially connected, and target information processing unit connects external host computer, and configuration unit passes through EMIF interface unit and the FPGA
Module communication connection；
The control interface module is using the 37 core connector MDMI-37SNP4 for being divided into 1mm between pin, system control unit
It is communicated to connect by RS422 interface unit and control interface module, Beamsteering Unit is connect by bus extension unit with control
The communication connection of mouth mold block.
The AD sampling module uses AD9650 chip, and the FPGA module uses XC7K325T chip, the DSP module
Using TMS320C6678 chip.
The Beamsteering Unit includes wave control digital computer structure, transmission and sequential control mechanism, wave control number meter
Calculate the output end of mechanism with send and the input terminal of sequential control mechanism connect, the output end of transmission and sequential control mechanism with outside
The connection of portion's T/R component.
The mode of the input terminal connection of the output end and Beamsteering Unit of the EMIF interface unit are as follows: EMIF interface list
The output end of member is connect with the input terminal of transmission and sequential control mechanism.
The FPGA module is also connected with FLASH chip.
The DSP module is also connected with FLASH chip and DDR3 storage chip.
The utility model has the beneficial effects that
A kind of igh-speed wire-rod production line and beam control device described in the utility model, by AD sampling module respectively to two-way
Radar echo signal carry out high-speed sampling, the data after sampling be sent on FPGA+DSP processing platform carry out Digital Down Convert,
The processing of the Radar Algorithms such as pulse compression, multi-target detection；Meanwhile it also realizing on FPGA+DSP processing platform to radar front
The real-time generation calculated with control driving of all components phase is realized to mutually sweeping wave by completing the control to T/R component
The control of beam, beam position is flexible, may be implemented quickly to scan, and completes detection and tracking to multiple moving-targets, and have
Preferable interference free performance；Its integrated level is higher, and scalability is stronger, greatly reduces hardware device quantity, reduces exploitation
Cost and design difficulty minimize radar complete machine, and fining, portability is possibly realized.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural block diagram of the utility model；
Fig. 2 is the principles of the present invention schematic diagram.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is as depicted in figs. 1 and 2: a kind of igh-speed wire-rod production line and beam control device described in the utility model, including electricity
Source/clock module including AD sampling module, FPGA module, DSP module and control interface module.
Wherein, the AD sampling module, FPGA module, DSP module, power supply/clock module and control interface module are integrated
On same circuit board, and power supply/clock module is used to be AD sampling module, FPGA module, DSP module and control interface module
Power supply and clock needed for work is provided.
The AD sampling module is used to acquire the phased-array radar echo-signal of input, and it is transferred to FPGA module,
Preferably, the AD sampling module uses AD9650 chip, is integrated with two-way AD sampling unit on AD9650 chip, can complete
The quick sampling of highest 300MHz, while it has 16 A/D translation bits, can obtain higher sampling precision；Its clock letter
Number and data-signal be difference form, better anti-interference and signal integrity can be obtained.
The FPGA module is used to carry out DDC pretreatment to sampled data, and realizes wave beam control function, the sampling
Data are the sampled data for the phased-array radar echo-signal that AD sampling module is sent；Preferably, the FPGA module uses
The XC7K325T chip of XC7K325T chip, the production of Xilinx company has a large amount of algorithm process unit, can provide a variety of
IP kernel is conducive to the modularized design for carrying out algorithm function, while the high speed design of algorithm may be implemented in interconnection resource abundant,
And optimal cost performance is provided under lower power consumption；Further, the FPGA module includes AD control unit, DDC mono-
Member, SRIO interface unit, EMIF interface unit, system control unit, RS422 interface unit, Beamsteering Unit and bus expand
Open up unit；The input terminal of AD control unit is connect with the output end of AD sampling module, the output end and DDC unit of AD control unit
Input terminal connection, the output end of DDC unit connect with the input terminal of SRIO interface unit；The output end of EMIF interface unit with
The input terminal of SRIO interface unit and Beamsteering Unit is all connected with, EMIF interface unit also with system control unit communication link
It connects；System control unit is also communicated to connect with Beamsteering Unit.
The DSP module is used to make further algorithm process to the pretreated sampled data of FPGA module DDC, and
Realize the data exchange between computer；Preferably, the DSP module uses TMS320C6678 chip, TMS320C6678
Chip has 8 kernels, supports fixed point/floating-point operation, and the high speed processing to mass data may be implemented, and work dominant frequency is reachable
1.25GHz, the data processing speed of each kernel is up to 40GMAC/20GFLOP, and has a variety of high-speed communication interfaces and tune
It tries mouth；TMS320C6678 chip can be communicated by high-speed interfaces such as SRIO, EMIF with the realization of XC7K325T chip；Further
, the DSP module includes pulse compression unit, moving-target instruction (MTI) unit, moving-target detection (MTD) unit, constant false alarm
Detect (CFAR) unit, target information processing unit and configuration unit, pulse compression unit by SRIO interface unit with it is described
FPGA module connection, and pulse compression unit, moving-target indicating unit, moving-target detection unit, CFAR detection unit, target
Information process unit is sequentially connected, and target information processing unit connects external host computer；Configuration unit passes through EMIF interface unit
It is communicated to connect with the FPGA module.
In order to realize the miniaturization of hardware board, the accounting size of interface device, the control interface module are reduced to the greatest extent
Using the 37 core connector MDMI-37SNP4 for being divided into 1mm between pin, connector MDMI-37SNP4 is integrated with 100 m ethernet and connects
The external communication interface such as mouth, 2 road RS422 interfaces, UART interface, while also including a series of controls needed for Beamsteering Unit
Interface and debugging interface；System control unit is communicated to connect by RS422 interface unit and control interface module, and wave beam control is single
Member is communicated to connect by bus extension unit and control interface module.
The Beamsteering Unit includes wave control digital computer structure, transmission and sequential control mechanism, wave control number meter
Calculate the output end of mechanism with send and the input terminal of sequential control mechanism connect, the output end of transmission and sequential control mechanism with outside
The connection of portion's T/R component；Specifically, the mode of the input terminal connection of the output end and Beamsteering Unit of EMIF interface unit are as follows:
The output end of EMIF interface unit is connect with the input terminal of transmission and sequential control mechanism.
Preferred embodiment are as follows: the FPGA module is also connected with FLASH chip；The DSP module be also connected with FLASH chip and
DDR3 storage chip.
The course of work of a kind of igh-speed wire-rod production line and beam control device described in the utility model are as follows: in FPGA module
Control of the AD control unit first to AD sampling module, realize the acquisition to two-way radar echo signal, acquisition number at this time
According to for digital medium-frequency signal；Further, baseband signal in order to obtain, the frequency spectrum of digital medium-frequency signal is moved from intermediate frequency to zero
Frequently, specifically, carrying out the design of DDC unit, two orthogonal local oscillation signals are generated using numerically-controlled oscillator (NCO), and add
Add multiplier IP kernel, the digital medium-frequency signal for inputting DDC unit is multiplied to obtain orthogonal I, Q two-way letter with orthogonal local oscillation signal
Number, and corresponding low-pass filter is designed according to practical application request, obtain orthogonal I, Q two-way baseband signal；Orthogonal I, Q
Two-way baseband signal is communicated by SRIO interface unit with the pulse compression unit of DSP module, and SRIO interface unit is used to realize
The high-speed transfer of orthogonal I, Q two-way baseband signal, transmission speed may be up to 5GBaud Per Lane；Pulse compression unit
The wide pulse signal received (orthogonal I, Q two-way baseband signal) is become into narrow pulse signal, guarantees keeping radar return
Under the premise of signal energy is constant, higher distance resolution and farther away operating distance are obtained；In order to realize to radar return
The inhibition of clutter in signal, the present invention also utilize moving-target instruction (MTI) unit and moving-target detection (MTD) unit to by arteries and veins
Radar echo signal after punching press contracting cell processing carries out MTI/MTD processing, and signal to noise ratio can be improved in MTI/MTD technology, improves
The ability of moving-target is detected under strong clutter background；In order to make processor, reason false-alarm is not overloaded too much, and the present invention also utilizes perseverance
False-alarm detects (CFAR) unit and carries out constant false alarm processing to radar echo signal, false-alarm when keeping radar echo signal to detect
Probability is constant；Finally, the detection and identification to radar echo signal are completed by target information information process unit, and by mesh
The information such as target distance, orientation, speed are transferred to host computer；Meanwhile DSP configuration unit and EMIF interface unit will with hop communication
Control instruction is transferred to Beamsteering Unit, and the control instruction includes frequency number, wave position number and power amplifier switch etc.；Wave beam control
Wave control digital computer structure in unit processed is for realizing matching phase computing function, transmission and timing control in Beamsteering Unit
Mechanism carries out data frame combination for realizing with phase sending function, and according to T/R assembly communication protocol frame, sends to T/R component
Meet the serial data stream of communication protocol, and sends corresponding SECO instruction simultaneously, to complete the control to external module,
Wave beam is mutually swept required for generating.
A kind of igh-speed wire-rod production line and beam control device described in the utility model, by AD sampling module respectively to two-way
Radar echo signal carry out high-speed sampling, the data after sampling be sent on FPGA+DSP processing platform carry out Digital Down Convert,
The processing of the Radar Algorithms such as pulse compression, multi-target detection；Meanwhile it also realizing on FPGA+DSP processing platform to radar front
The real-time generation calculated with control driving of all components phase is realized to mutually sweeping wave by completing the control to T/R component
The control of beam, beam position is flexible, may be implemented quickly to scan, and completes detection and tracking to multiple moving-targets, and have
Preferable interference free performance；Its integrated level is higher, and scalability is stronger, greatly reduces hardware device quantity, reduces exploitation
Cost and design difficulty minimize radar complete machine, and fining, portability is possibly realized.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (6)
1. a kind of igh-speed wire-rod production line and beam control device, it is characterised in that: sampled including power supply/clock module including AD
Module, FPGA module, DSP module and control interface module；Wherein,
The AD sampling module, FPGA module, DSP module, power supply/clock module and control interface module are integrated in same circuit
On plate, and power supply/clock module is used to provide work institute for AD sampling module, FPGA module, DSP module and control interface module
The power supply and clock needed；
The AD sampling module is used to acquire the phased-array radar echo-signal of input, and it is transferred to FPGA module；
The FPGA module includes AD control unit, DDC unit, SRIO interface unit, EMIF interface unit, system control list
Member, RS422 interface unit, Beamsteering Unit and bus extension unit；The input terminal of AD control unit and AD sampling module
Output end connection, the output end of AD control unit are connect with the input terminal of DDC unit, the output end and SRIO interface of DDC unit
The input terminal of unit connects；The output end of EMIF interface unit connects with the input terminal of SRIO interface unit and Beamsteering Unit
It connects, EMIF interface unit is also communicated to connect with system control unit；System control unit is also communicated to connect with Beamsteering Unit；
The DSP module include pulse compression unit, moving-target indicating unit, moving-target detection unit, CFAR detection unit,
Target information processing unit and configuration unit, pulse compression unit are connect by SRIO interface unit with the FPGA module, and
Pulse compression unit, moving-target indicating unit, moving-target detection unit, CFAR detection unit, target information processing unit according to
Secondary connection, target information processing unit connect external host computer, and configuration unit passes through EMIF interface unit and the FPGA module
Communication connection；
The control interface module is passed through using the 37 core connector MDMI-37SNP4 for being divided into 1mm between pin, system control unit
RS422 interface unit and control interface module communicate to connect, and Beamsteering Unit passes through bus extension unit and control interface mould
Block communication connection.
2. a kind of igh-speed wire-rod production line according to claim 1 and beam control device, it is characterised in that: the AD sampling
Module uses AD9650 chip, and the FPGA module uses XC7K325T chip, and the DSP module uses TMS320C6678 core
Piece.
3. a kind of igh-speed wire-rod production line according to claim 1 and beam control device, it is characterised in that: the wave beam
Control unit includes wave control digital computer structure, transmission and sequential control mechanism, the output end and hair of wave control digital computer structure
It send and is connected with the input terminal of sequential control mechanism, send and the output end of sequential control mechanism is connect with outside T/R component.
4. a kind of igh-speed wire-rod production line according to claim 1 and beam control device, it is characterised in that: the EMIF connects
The mode of the input terminal connection of the output end and Beamsteering Unit of mouthful unit are as follows: the output end of EMIF interface unit and send and
The input terminal of sequential control mechanism connects.
5. a kind of igh-speed wire-rod production line according to claim 1 and beam control device, it is characterised in that: the FPGA mould
Block is also connected with FLASH chip.
6. a kind of igh-speed wire-rod production line according to claim 1 and beam control device, it is characterised in that: the DSP mould
Block is also connected with FLASH chip and DDR3 storage chip.
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| CN201821984867.5U CN209182497U (en) | 2018-11-29 | 2018-11-29 | A kind of igh-speed wire-rod production line and beam control device |
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| CN201821984867.5U CN209182497U (en) | 2018-11-29 | 2018-11-29 | A kind of igh-speed wire-rod production line and beam control device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298403A (en) * | 2018-11-29 | 2019-02-01 | 中国电子科技集团公司第二十七研究所 | A kind of igh-speed wire-rod production line and beam control device and method |
| CN111123258A (en) * | 2019-12-12 | 2020-05-08 | 中国电子科技集团公司第三十八研究所 | Wave beam scheduling device and method for high repetition frequency active phased array radar |
| CN111208504A (en) * | 2020-02-28 | 2020-05-29 | 成都汇蓉国科微系统技术有限公司 | PD radar waveform configuration method and device based on DSP |
| CN112327722A (en) * | 2020-11-25 | 2021-02-05 | 北京无线电测量研究所 | Multi-interface communication control device and method |
-
2018
- 2018-11-29 CN CN201821984867.5U patent/CN209182497U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298403A (en) * | 2018-11-29 | 2019-02-01 | 中国电子科技集团公司第二十七研究所 | A kind of igh-speed wire-rod production line and beam control device and method |
| CN109298403B (en) * | 2018-11-29 | 2023-10-20 | 中国电子科技集团公司第二十七研究所 | High-speed signal processing and beam control device and method |
| CN111123258A (en) * | 2019-12-12 | 2020-05-08 | 中国电子科技集团公司第三十八研究所 | Wave beam scheduling device and method for high repetition frequency active phased array radar |
| CN111208504A (en) * | 2020-02-28 | 2020-05-29 | 成都汇蓉国科微系统技术有限公司 | PD radar waveform configuration method and device based on DSP |
| CN112327722A (en) * | 2020-11-25 | 2021-02-05 | 北京无线电测量研究所 | Multi-interface communication control device and method |
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