CN101308210A - Radar presentation image production method and system - Google Patents
Radar presentation image production method and system Download PDFInfo
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- CN101308210A CN101308210A CNA2008100667880A CN200810066788A CN101308210A CN 101308210 A CN101308210 A CN 101308210A CN A2008100667880 A CNA2008100667880 A CN A2008100667880A CN 200810066788 A CN200810066788 A CN 200810066788A CN 101308210 A CN101308210 A CN 101308210A
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Abstract
Disclosed is a method for producing radar display images and a system thereof, wherein, the system comprises: two A/D converters for respectively implementing sampling processing to radar interface image video signals and radar original image video signals with VGA formats, and respectively outputting horizontal synchronizing signals, field synchronizing signals and digital RGB signals; a buffer for carrying out buffer processing to radar interface image video signals and radar original image video signals; and a radar image generation module realized through an FPGA chip for implementing synchronous processing to radar interface image video signals and radar original image video signals and looking up table indexes by colors for implementing synthetic processing so as to generate the radar display image video signals. The method and system need not use the special radar image generator, and can utilize the general control program to realize the superposition processing to radar original images and radar interface images in the FPGA chip, thereby producing the radar display images meeting the requirements of radar image display terminals.
Description
Technical field
The present invention relates to the radar image treatment technology, especially relate to a kind of overlap-add procedure that in fpga chip, realizes radar original image and radar interface image, produce the method and system of radar display presentation.
Background technology
China's active service radar display presentation mainly is to produce the radar interface by pattern generator at present, produces behind the radar original image that superposes then.Though this method can produce image quickly, has a lot of shortcomings:
1, development difficulty is bigger, and is dumb: because the programming of pattern generator programmer specialty, therefore exploitation is not general, and figure is produced complicated, and development progress is slow.
2, influenced by device bigger in radar image production: owing to use dedicated devices to produce radar image, therefore, the life of product phase is shorter, and product often has been subjected to the danger that device eliminates and coerces from developing when finalize the design.
3, pattern is not abundant, and the interface hommization is relatively poor: because the radar interface is to be produced by professional device, so its shape library is comparatively simple, and the interface figure is not abundant yet, makes the hommization of radar interface relatively poor.
Summary of the invention
Technical matters to be solved by this invention is to propose a kind of radar presentation image production method and system, to utilize fpga chip to realize the overlap-add procedure of radar original image and radar interface image, produced the radar display presentation that satisfies the requirement of radar image display terminal.
For solving technical matters of the present invention, the present invention discloses a kind of radar presentation image production method, comprising: with radar interface image vision signal and radar original image video signals respectively input buffer carry out buffer memory; The radar image generation module that fpga chip is realized carries out synchronous processing with radar interface image vision signal and radar original image video signals, and synthesizes processing by the color lookup table index, produces the radar display presentation vision signal.
More excellent, radar presentation image production method of the present invention also comprises step: the radar interface image vision signal and the radar original image video signals that will be the VGA form are carried out sampling processing through A/D converter respectively, produce line synchronizing signal, field sync signal and digital rgb signal respectively and input to the radar image generation module.
More excellent, described synchronous processing is meant that the rgb signal that the rgb signal that radar interface image vision signal decomposited by line synchronizing signal and field sync signal by the radar image generation module and radar original image video signals decomposite carries out synchronously.
More excellent, described synthetic processing is meant the overlap-add procedure of making the rgb signal amplitude after rgb signal with radar interface image vision signal after the synchronous processing and radar original image video signals corresponding pixel points is by the color lookup table index, forms the radar display presentation vision signal.
More excellent, radar presentation image production method of the present invention also comprises step: the vision signal that the radar display presentation vision signal is converted to pattern VGA form through D/A converter.
In addition, the present invention also discloses a kind of radar display presentation and produces system, comprising:
Two A/D converters are used for respectively the radar interface image vision signal and the radar original image video signals that are the VGA form being carried out sampling processing, export line synchronizing signal, field sync signal and digital rgb signal respectively;
Impact damper is used for radar interface image vision signal and radar original image video signals are carried out buffered;
The radar image generation module that fpga chip is realized is used for radar interface image vision signal and radar original image video signals are carried out synchronous processing, and synthesizes processing by the color lookup table index, produces the radar display presentation vision signal.
More excellent, described radar image generation module comprises:
Buffer control unit is used for controller buffer radar interface image vision signal and radar original image video signals is carried out buffered;
Synchronous processing module is used for the rgb signal that the rgb signal that radar interface image vision signal decomposited by line synchronizing signal and field sync signal and radar original image video signals decomposite and carries out synchronously;
The stack synthesis module, be used for rgb signal with radar interface image vision signal after the synchronous processing and radar original image video signals corresponding pixel points and make the overlap-add procedure of rgb signal amplitude after by the color lookup table index, form the radar display presentation vision signal.
More excellent, radar display presentation of the present invention produces system and also comprises: D/A converter is used for the radar display presentation vision signal is converted to the vision signal of pattern VGA form.
More excellent, described impact damper is the SDRAM storer.
Compared with prior art, the present invention has following beneficial effect:
The present invention need not use special-purpose radar image generator, utilizes universal controller promptly can realize the overlap-add procedure of radar original image and radar interface image in fpga chip, has produced the radar display presentation that satisfies the requirement of radar image display terminal.Therefore, the invention solves the big and inflexible technical matters of radar image generator development difficulty, the present invention improves development efficiency easily by using the universal programming technology; In addition, the present invention is not subjected to dedicated devices to produce the restriction in life-span, has long advantage in serviceable life; And has a plurality of advantages that man-machine interface is unsophisticated, friendly, awareness is strong.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment of the present invention;
Fig. 2 is a fpga chip duty sequential schematic flow sheet among Fig. 1.
Embodiment
The present invention is the overlap-add procedure that fpga chip is realized radar original image and radar interface image, has produced the radar display presentation that satisfies the requirement of radar image display terminal.
As shown in Figure 1, radar display presentation generation of the present invention system comprises: two radar image generation module and D/A converters that A/D converter, impact damper, fpga chip are realized.
Wherein, two A/D converters are used for respectively the radar interface image vision signal and the radar original image video signals that are the VGA form being carried out sampling processing, export line synchronizing signal, field sync signal and digital rgb signal respectively; Impact damper is used for radar interface image vision signal and radar original image video signals are carried out buffered; The radar image generation module is used for radar interface image vision signal and radar original image video signals are carried out synchronous processing, and synthesizes processing by the color lookup table index, produces the radar display presentation vision signal; D/A converter is used for the radar display presentation vision signal is converted to the vision signal of pattern VGA form.
Wherein, described radar image generation module comprises: buffer control unit, synchronous processing module and stack synthesis module.Buffer control unit is used for controller buffer radar interface image vision signal and radar original image video signals is carried out buffered; Synchronous processing module is used for the rgb signal that the rgb signal that radar interface image vision signal decomposited by line synchronizing signal and field sync signal and radar original image video signals decomposite to carry out synchronously; The stack synthesis module is used for the overlap-add procedure that rgb signal with the radar interface image vision signal after the synchronous processing and radar original image video signals corresponding pixel points is made the rgb signal amplitude after by the color lookup table index, formation radar display presentation vision signal.
For example, two A/D converters are all for being the converter of AD9888 by ANALOG DEVICES company production model; Impact damper is the SDRAM storer; The radar image generation module is that XILINX company production model is the fpga chip of XC3S400-456BGA_2; D/A converter is that model is the converter of ADV7125.
Wherein, sequential, logic, syntheticly all have programmable logic array FPGA inside programming to produce.FPGA loads configuration mode: select for use hardware to load configuration mode, adopt an external PROM, after powering on, just automatically the code among this PROM is loaded into fpga chip.The present invention is the speed that reduces hardware circuit by the data bits of broad, and the system works frequency is 110MHZ, can finish the Video processing of 440MHZ by the present invention.
In addition, fpga chip is mainly finished timing sequence generating, line data buffer memory, SDRAM control, video is synthetic and synthetic back output state.Wherein, row cache mainly produces dual port RAM by the inner BLOCK RAM of FPGA and finishes, and SDRAM control is the part of system's outbalance in service.Adopt the pattern that double word is write, the page or leaf burst is read among the present invention, concrete state machine sequential is seen accompanying drawing 2.
And the video superimpose processing is chosen in different row, column output radar videos mainly with the two-path video signal after synchronous according to user-interface design.Simultaneously, at the corresponding radar video signal range value of 256 kinds of colors of FPGA storage inside (amplitude 8 layerings of general radar video signal),, form colored radar video by the pre-designed colour of amplitude index.
And output state adopts the inner BLOCK RAM generation of FPGA dual port RAM to finish; Metadata cache after synthetic then by the output of standard VGA pixel clock, is formed the VGA digital video.The sequential circuit part produces rope in FPGA inside by counter and needs the standard VGA sequential.
To sum up, the present invention need not use special-purpose radar image generator, utilizes the universal controller namely can be in fpga chip Realize the overlap-add procedure of radar original image and radar interface image, produced the radar that satisfies the requirement of radar image display terminal Show image. Therefore, the invention solves the big and inflexible technical problem of radar image generator development difficulty, the present invention By using the universal programming technology to improve easily development efficiency; In addition, the present invention is not subjected to the restriction of dedicated devices Production Life, Has long advantage in service life; And has a plurality of advantages that man-machine interface is unsophisticated, friendly, awareness is strong.
Claims (9)
1, a kind of radar presentation image production method is characterized in that, comprising:
With radar interface image vision signal and radar original image video signals respectively input buffer carry out buffer memory;
The radar image generation module that fpga chip is realized carries out synchronous processing with radar interface image vision signal and radar original image video signals, and synthesizes processing by the color lookup table index, produces the radar display presentation vision signal.
2, radar presentation image production method according to claim 1 is characterized in that, also comprises step:
The radar interface image vision signal and the radar original image video signals that are the VGA form are carried out sampling processing through A/D converter respectively, produce line synchronizing signal, field sync signal and digital rgb signal respectively and input to the radar image generation module.
3, radar presentation image production method according to claim 1, it is characterized in that described synchronous processing is meant that the rgb signal that the rgb signal that radar interface image vision signal decomposited by line synchronizing signal and field sync signal by the radar image generation module and radar original image video signals decomposite carries out synchronously.
4, radar presentation image production method according to claim 1, it is characterized in that, described synthetic processing is meant the overlap-add procedure of making the rgb signal amplitude after rgb signal with radar interface image vision signal after the synchronous processing and radar original image video signals corresponding pixel points is by the color lookup table index, forms the radar display presentation vision signal.
5, radar presentation image production method according to claim 1 is characterized in that, also comprises step:
The radar display presentation vision signal is converted to the vision signal of pattern VGA form through D/A converter.
6, a kind of radar display presentation produces system, it is characterized in that, comprising:
Two A/D converters are used for respectively the radar interface image vision signal and the radar original image video signals that are the VGA form being carried out sampling processing, export line synchronizing signal, field sync signal and digital rgb signal respectively;
Impact damper is used for radar interface image vision signal and radar original image video signals are carried out buffered;
The radar image generation module that fpga chip is realized is used for radar interface image vision signal and radar original image video signals are carried out synchronous processing, and synthesizes processing by the color lookup table index, produces the radar display presentation vision signal.
7, radar display presentation according to claim 6 produces system, it is characterized in that described radar image generation module comprises:
Buffer control unit is used for controller buffer radar interface image vision signal and radar original image video signals is carried out buffered;
Synchronous processing module is used for the rgb signal that the rgb signal that radar interface image vision signal decomposited by line synchronizing signal and field sync signal and radar original image video signals decomposite and carries out synchronously;
The stack synthesis module, be used for rgb signal with radar interface image vision signal after the synchronous processing and radar original image video signals corresponding pixel points and make the overlap-add procedure of rgb signal amplitude after by the color lookup table index, form the radar display presentation vision signal.
8, radar display presentation according to claim 6 produces system, it is characterized in that, also comprises:
D/A converter is used for the radar display presentation vision signal is converted to the vision signal of pattern VGA form.
9, radar display presentation according to claim 6 produces system, it is characterized in that described impact damper is the SDRAM storer.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887123A (en) * | 2009-05-13 | 2010-11-17 | 古野电气株式会社 | Radar device |
| CN102096066A (en) * | 2010-12-02 | 2011-06-15 | 南京莱斯信息技术股份有限公司 | Method for showing radar initial video in real time |
| CN101727875B (en) * | 2009-12-24 | 2012-09-05 | 中国航空工业集团公司第六三一研究所 | Graphic processing apparatus and method |
| CN102044053B (en) * | 2009-10-20 | 2012-09-26 | 西安费斯达自动化工程有限公司 | Inverse perspective mapping (IPM) method based on field programmable gate array (FPGA) |
| CN102831041A (en) * | 2012-09-05 | 2012-12-19 | 云南大学 | Portable logic analyzer based on FPGA (Field Programmable Gate Array) |
| CN101770021B (en) * | 2008-12-31 | 2013-03-13 | 中国航空工业第一集团公司第六三一研究所 | Image display realization method based on programmable logic |
| CN103675763A (en) * | 2013-12-04 | 2014-03-26 | 南京鹏力系统工程研究所 | Hardware acceleration based vectorized VTS (vessel traffic service) system radar video drawing method |
| CN103744062A (en) * | 2013-12-11 | 2014-04-23 | 上海广电通信技术有限公司 | Radar video multistage multicolor hierarchical display system structure |
| CN103885036A (en) * | 2012-12-19 | 2014-06-25 | 索尼公司 | Method For Displaying An Active Radar Image And Handheld Screening Device |
| CN109708662A (en) * | 2018-12-05 | 2019-05-03 | 北京空间机电研究所 | A kind of pouring-in star chart simulation test platform of high frame frequency high-precision based on target identification |
| CN112597334A (en) * | 2021-01-15 | 2021-04-02 | 天津帕克耐科技有限公司 | Data processing method of communication data center |
-
2008
- 2008-04-25 CN CNA2008100667880A patent/CN101308210A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770021B (en) * | 2008-12-31 | 2013-03-13 | 中国航空工业第一集团公司第六三一研究所 | Image display realization method based on programmable logic |
| CN101887123A (en) * | 2009-05-13 | 2010-11-17 | 古野电气株式会社 | Radar device |
| CN102044053B (en) * | 2009-10-20 | 2012-09-26 | 西安费斯达自动化工程有限公司 | Inverse perspective mapping (IPM) method based on field programmable gate array (FPGA) |
| CN101727875B (en) * | 2009-12-24 | 2012-09-05 | 中国航空工业集团公司第六三一研究所 | Graphic processing apparatus and method |
| CN102096066A (en) * | 2010-12-02 | 2011-06-15 | 南京莱斯信息技术股份有限公司 | Method for showing radar initial video in real time |
| CN102831041A (en) * | 2012-09-05 | 2012-12-19 | 云南大学 | Portable logic analyzer based on FPGA (Field Programmable Gate Array) |
| CN103885036A (en) * | 2012-12-19 | 2014-06-25 | 索尼公司 | Method For Displaying An Active Radar Image And Handheld Screening Device |
| CN103675763A (en) * | 2013-12-04 | 2014-03-26 | 南京鹏力系统工程研究所 | Hardware acceleration based vectorized VTS (vessel traffic service) system radar video drawing method |
| CN103744062A (en) * | 2013-12-11 | 2014-04-23 | 上海广电通信技术有限公司 | Radar video multistage multicolor hierarchical display system structure |
| CN109708662A (en) * | 2018-12-05 | 2019-05-03 | 北京空间机电研究所 | A kind of pouring-in star chart simulation test platform of high frame frequency high-precision based on target identification |
| CN112597334A (en) * | 2021-01-15 | 2021-04-02 | 天津帕克耐科技有限公司 | Data processing method of communication data center |
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Open date: 20081119 |