CN202735510U - Novel high-speed navigation radar recording playback system - Google Patents
Novel high-speed navigation radar recording playback system Download PDFInfo
- Publication number
- CN202735510U CN202735510U CN 201220381518 CN201220381518U CN202735510U CN 202735510 U CN202735510 U CN 202735510U CN 201220381518 CN201220381518 CN 201220381518 CN 201220381518 U CN201220381518 U CN 201220381518U CN 202735510 U CN202735510 U CN 202735510U
- Authority
- CN
- China
- Prior art keywords
- radar
- card
- interface
- output terminal
- data
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The present utility model discloses a novel high-speed navigation radar recording playback system which is used for realizing playback processing of signals received by a radar. The system comprises an acquisition interface for collecting various models of radar video signals and corresponding flag bit signals; a data acquisition card which is connected with an output end of the acquisition interface; a PC host connected with an output end of the data acquisition card and used for receiving and storing collected data; a digital input and output card connected with an output end of the PC host; a playback interface connected with an output end of the digital input and output card; and a radar terminal connected with an output end of the playback interface. The system is high in recording data rate, large in storage capacity, strong in versatility and high in cost performance, and has wide popularization and application prospects.
Description
Technical field
The utility model relates to novel high speed navar record playback system.
Background technology
Develop rapidly along with modern radar technology, broadband, sophisticated signal waveform and high-speed figure treatment technology are widely used in radar system, in order to adapt to day by day the radar working index that improves and to various information processing algorithms, the optimal design requirement of system operational parameters, in the modern radar system design, high performance radar data acquisition recording unit is for reappearing the radar detection picture, the evaluating objects parameter, research radar system serviceability provides important technological means, all widespread use high-speed data acquisition recording unit carries out the radar signal data acquisition in dual-use radar system, use various algorithmic methods to the radar signal data analysis, for the optimal design of radar system provides foundation.
Early stage radar signal recording unit mainly contains two kinds of recording type radar data recorder and video recording type radar image registering instruments etc., develop into the later stage, the radar signal registering instrument based on industrial control computer structure occurred, it is comprised of equipment such as video and speech signal collection card, orientation capture card, industrial computers.Now widely used radar information recording unit has generally adopted the digital recording mode, and recording medium generally adopts disk.Compare with analog radar data recorder in the past, the major advantage of digital radar information-recording apparatus is to be easy to the expansion capacity, and data Replica is undistorted and can long preservation, also is convenient to carry out afterwards data readback and analyzing and processing simultaneously.
Because Modern Radar Signal complex forms, and have full coherent, broadband, large dynamic characteristics, therefore to radar signal data acquisition equipment must satisfy high precision, large dynamically, the requirement of two-forty, the simultaneously high-speed playback of data and show that in real time oneself becomes the critical function of novel high speed large capacity data acquisition equipment.Traditional logging recorder system exists sampling rate on the low side, writing time is short, slow and the high in cost of production shortcoming of processing speed, can not satisfy each domain requirement gradually, designed and developed novel high speed sampling navar data recording playback system for above situation, sample frequency is up to 120MHz, recording unit at first adopts high-speed a/d converter that the analog video signal of radar system output is converted to digital signal, then gives the large capacity disc array by high speed data transmission interface or data bus with radar data stream at a high speed and carries out stored record.
The high speed acquisition playback system of data has been widely used in the information acquisition records such as radar, Underwater Detection, remote measurement, remote sensing, resource exploration, Non-Destructive Testing and the real-time analyzer in recent years.The exploitation hypervelocity gathers playback system, adapts to the modern radar system development, and the optimal design of radar system is had certain theory and engineering significance.
Summary of the invention
For the problems referred to above, a kind of novel high speed navar record playback system that provides of the present utility model, the radar signal data that collection in worksite is a large amount of are for the research of radar data treatment technology provides simulating, verifying and Performance Evaluation foundation.Novel ultra-high-speed navar data recording playback system of the present utility model gathers vision signal, the multiple zone bit signal of navar under different sea situations, use self-defining data layout, be recorded to hard disc of computer with document form, also the data file of preserving can be reduced to original radar video and multiple zone bit signal sends to radar terminal, the truth of reproduction navar work.In the radar debug process, the parameter that needs the check radar in true environment, to move.In the radar use procedure, need the work state information of real time record radar, carry out problem repetition and location after being convenient to go wrong.The advanced capabilities radar data acquisition playback system provides foundation for the applied various algorithms of radar signal data analysis, for the optimal design of reappearing radar detection picture, evaluating objects parameter and radar system provides foundation.Therefore hypervelocity navar record playback system all is widely used in dual-use radar system.
Specifically, the technical solution of the utility model is that a kind of novel high speed navar record playback system is used for radar return signal is carried out playback process, it is characterized in that, comprising:
One acquisition interface gathers Multiple Type radar video signal and respective flag position signal thereof;
One data collecting card links to each other with the output terminal of above-mentioned acquisition interface;
One PC main frame links to each other with the output terminal of above-mentioned data collecting card, accepts and store described image data;
One digital IO card links to each other with the output terminal of described PC main frame;
One playback interface links to each other with the output terminal of described digital IO card;
One radar terminal links to each other with the output terminal of described playback interface.
Reasonable is that described acquisition interface further comprises: an expansion module, by mimic channel described radar receiving video signals and respective flag position signal thereof are nursed one's health; One nucleus module, its input end links to each other with the output terminal of described expansion module, and its output terminal connects the input end of described data collecting card.
Reasonable is that described system further comprises: some external units comprise the display, keyboard and the mouse that link to each other with described PC main frame.
Reasonable is that described acquisition interface further comprises some serial ports, network interface and corresponding communication, codec chip, is used for expansion.
Reasonable is that described data collecting card and described digital IO card all adopt PCI-XXX.
In the Radar Signal Collecting System of high speed, high resolution, high broadband data transmission often becomes the bottleneck of a lot of systems, along with the development of computer bus technology, and the problem that the pci bus technology can the resolution system high data throughput.The radar data high speed acquisition that Novel ultra-high-speed navar data recording playback system relates to, large capacity storage and real-time playback treatment technology are on the hardware foundation based on the high-speed data acquisition card of pci bus, drive integrated software and Microsoft Direct X software development kit by means of the pci bus data collecting card, under Visual Studio software environment, finish high-speed data acquisition, data transmission and storage, utilize Direct Draw to realize that radar data high speed, real-time playback show.Use the hypervelocity navar acquisition and recording of these technique constructions and real-time playback disposal system and have that the record data rate is high, memory capacity large, highly versatile, characteristics that cost performance is high, have widely popularizing application prospect.
In design process, in order to shorten versatility and the upgradability of development time and raising system, use commercial PCI-XXX high-speed data acquisition card and PCI-XXX high-speed figure input-output card.System needs to preserve in real time image data to computer disk in high speed acquisition, and hyperdisk read-write technology can store data in the disk in high speed acquisition, guarantees the integrality of data.The duty of upper computer software real-time monitoring system realizes human-computer interaction function better, the aobvious control of real time modelling marine radar interface.Along with the progress of Radar Technology, the variation of marine radar model, acquisition interface and playback interface can solve polytypic marine navigation radar compatibility issue.The machine system modular design has promoted versatility and the maintainability of system greatly.
Description of drawings
Below, with reference to accompanying drawing, for those skilled in the art that, to the detailed description of the present utility model, above and other purpose of the present utility model, feature and advantage will be apparent.
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the structured flowchart of acquisition interface 1 among Fig. 1;
Fig. 3 is the structured flowchart of playback interface 4 among Fig. 1;
Fig. 4 is data acquisition and pci bus transmission time sequence distribution diagram;
Fig. 5 is the schematic diagram that record playback of the present utility model goes out.
Embodiment
See also shown in Figure 1ly, high speed navar of the present utility model record playback system comprises acquisition interface 1, data collecting card 2, digital IO card 3, playback interface 4, radar terminal 5, PC main frame 6, display 7, hard disk 8, keyboard 9, mouse 10.
Wherein, acquisition interface 1 is finished the standardization of Multiple Type radar video signal and respective flag position signal (triggering, orientation, bow, digital compass, log, GPS etc.) thereof when gathering.And send main frame 6 to by data collecting card 2, main frame 6 passes through its pci interface output correlation signal to digital IO card 3, playback interface 4 is when playback, convert the digital signal of main frame 6 storages and output to corresponding video analog signal and the timing signal synchronous with main pulse, the corresponding intensifier circuit that drives of simultaneously design guarantees that it has enough driving forces to drive Radar Display Terminal 5.
The SDK that main frame 6 main Usage data collection cards 2 and digital IO card 3 provide finishes data acquisition and storage.Show that the SDK that then mainly adopts DirectX to provide realizes the real-time demonstration of radar picture.
Below introduce in detail further composition of the present utility model.
Consider that different navigation radar video signal, zone bit signal have different electrical specifications, acquisition interface 1 is divided into expansion module 11 and nucleus module 12, in expansion module 11, mainly by mimic channel the normal bit signal under the radar transceiver is nursed one's health, namely to different electrical specifications (analog input, numeral input; Single-ended input, difference input etc.) video, zone bit signal finish the work such as impedance matching, polarity and dynamic range adjustment.For later expansion, serial ports, network interface and corresponding communication, codec chip on acquisition interface 1 guarantee that the record playback system can satisfy the demand of Multiple Type navar.
Being illustrated in figure 3 as waveform 1 is that 10 nautical miles radar return vision signals and markers coded message are combined into one tunnel output waveform, and wherein being connected point is at the speed-sensitive switch switching point.Waveform 2 is the synchronous start pulse signal that transceiver gets off, and can find out that acquisition interface 1 work is synchronous with trigger pulse.
Using the data collecting card 2 of PCI-XXX is high speed, high resolution digitizers of a binary channels 65Ms/s based on pci bus, 14 A/D resolution.Have multiple trigger mode, block synchronous, self-calibration function more.Its input configuration very flexible (comprising input range able to programme and User Defined input impedance).Carry collection internal memory SODIM SDRAM by means of large capacity plate, PCI-XXX data collecting card 2 can not limited by the bandwidth of pci bus 132MB/s by DMA and Scatter Gather, and can carry out waveform recording in long time.By means of " table tennis " operator scheme, sampling rate when using internal clocking up to 120Ms/s, externally can be up to 130Ms/s under the Clock.PCI-XXX data collecting card 2 is suitable for the high speed waveform capture, such as radar and ultrasound wave etc.
PCI-XXX is a based on pci bus, and the hypervelocity input-output card of the digital I/O of 32 passages is fit to the high-speed digital signal transmission, the figure pattern waveform occurs and catch and the application such as logic analysis.Cooperate DMA and Scatter Gather, PCI-XXX high transfer rate is up to 80MB/s.
What the digital IO card 3 of use PCI-XXX was exported is the digital signal (wherein comprising the zone bit signal that vision signal and software were processed) that collects, therefore need design playback interface 4, digital video signal is converted to simulating signal, and therefrom decode corresponding zone bit signal, and the signal after the conversion should be able to have enough driving forces to drive Radar Display Terminal, realizes the recovery to radar signal.
In playback interface 4, mainly carry out read-write operation by FPGA control twoport FIFO and DA.FPGA finishes the decoding to coded signal, controls simultaneously the read-write of FIFO and D/A, and FIFO finishes the data buffer storage between the digital IO card 3 to D/A, and D/A finishes the recovery of radar video signal.
Fig. 5 extracts data by the native system software operation, and when radar terminal 5 reappeared, system software also can reappear the schematic diagram of sea situation at that time.
Above all embodiment are only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that do not break away from spirit and scope of the present utility model, can also make various conversion or variation, so all technical schemes that are equal to also should belong to category of the present utility model and should be limited by each claim.
Claims (5)
1. a novel high speed navar record playback system is used for radar return signal is carried out playback process, it is characterized in that, comprising:
One acquisition interface gathers Multiple Type radar video signal and respective flag position signal thereof;
One data collecting card links to each other with the output terminal of above-mentioned acquisition interface;
One PC main frame links to each other with the output terminal of above-mentioned data collecting card, accepts and store described image data;
One digital IO card links to each other with the output terminal of described PC main frame;
One playback interface links to each other with the output terminal of described digital IO card;
One radar terminal links to each other with the output terminal of described playback interface.
2. novel high speed navar record playback system according to claim 1 is characterized in that, described acquisition interface further comprises:
One expansion module is nursed one's health described radar receiving video signals and respective flag position signal thereof by mimic channel;
One nucleus module, its input end links to each other with the output terminal of described expansion module, and its output terminal connects the input end of described data collecting card.
3. novel high speed navar record playback system according to claim 2 is characterized in that, described system further comprises:
Some external units comprise the display, keyboard and the mouse that link to each other with described PC main frame.
4. novel high speed navar record playback system according to claim 3 is characterized in that, described acquisition interface further comprises some serial ports, network interface and corresponding communication, codec chip, is used for expansion.
5. novel high speed navar record playback system according to claim 4 is characterized in that, described data collecting card and described digital IO card all adopt PCI-XXX.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381518 CN202735510U (en) | 2012-08-02 | 2012-08-02 | Novel high-speed navigation radar recording playback system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381518 CN202735510U (en) | 2012-08-02 | 2012-08-02 | Novel high-speed navigation radar recording playback system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735510U true CN202735510U (en) | 2013-02-13 |
Family
ID=47661195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220381518 Expired - Lifetime CN202735510U (en) | 2012-08-02 | 2012-08-02 | Novel high-speed navigation radar recording playback system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735510U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646408A (en) * | 2016-12-23 | 2017-05-10 | 西安电子科技大学 | Radar echo simulation system and method capable of echo signal collection and playback |
| CN113267749A (en) * | 2021-05-14 | 2021-08-17 | 宁波盛洋电子科技有限公司 | Interconnection network type shipborne navigation radar display and control system |
-
2012
- 2012-08-02 CN CN 201220381518 patent/CN202735510U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646408A (en) * | 2016-12-23 | 2017-05-10 | 西安电子科技大学 | Radar echo simulation system and method capable of echo signal collection and playback |
| CN106646408B (en) * | 2016-12-23 | 2019-05-21 | 西安电子科技大学 | Integrate the radar echo simulation system and method for echo wave signal acquisition and playback |
| CN113267749A (en) * | 2021-05-14 | 2021-08-17 | 宁波盛洋电子科技有限公司 | Interconnection network type shipborne navigation radar display and control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101770424B (en) | Data acquisition and emulation system suitable for underlying protocol stack of digital communication terminal | |
| CN101504431B (en) | Nanosecond on-line detection system for random pulse time sequence | |
| CN106226573B (en) | A kind of digital signal processing method for digital fluorescence oscilloscope | |
| CN101364097B (en) | High real-time multichannel data acquisition system | |
| CN106646408B (en) | Integrate the radar echo simulation system and method for echo wave signal acquisition and playback | |
| CN101799321A (en) | Intelligent vibration monitor system | |
| CN101493847A (en) | Communication chip system chip tracing and debugging method and apparatus | |
| CN107168644A (en) | High-speed high capacity broadband I/Q data loggers based on SFP optical fiber interfaces | |
| CN202735510U (en) | Novel high-speed navigation radar recording playback system | |
| CN201072435Y (en) | Logic analyzer | |
| CN112035302A (en) | Real-time monitoring and analyzing method, device and system for bus data | |
| CN201378190Y (en) | Digital thunder and lightning detection device | |
| CN105548974A (en) | Speed and distance measurement radar echo simulation system and simulation method used for area target | |
| CN209624766U (en) | A kind of high-speed signal acquisition storage and playback system based on FPGA | |
| CN109902000A (en) | Speed change multichannel debugs tracing system, method, equipment and storage medium | |
| CN111577242A (en) | Sand production signal synchronous acquisition system based on FPGA | |
| CN100423039C (en) | Integral automatic integrating testing system | |
| CN107564265B (en) | LXI data acquisition unit for high-speed transmission and working method thereof | |
| CN201060250Y (en) | Digital type alternating current-direct current local discharge testing apparatus | |
| CN101063703A (en) | Digital type alternating current-direct current partial discharge detecting method and device | |
| CN100371907C (en) | Tracing debugging method and system for processor | |
| CN212454390U (en) | Sand production signal synchronous acquisition system based on FPGA | |
| CN109100556A (en) | A kind of general card oscillograph of multichannel based on pci interface | |
| CN204154895U (en) | For the date collection system of radar sensing system | |
| CN203838128U (en) | Ultrasonic non-destructive testing high-speed data acquisition and processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |