CN2862058Y - Radar waveform recording playback analyzer - Google Patents
Radar waveform recording playback analyzer Download PDFInfo
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- CN2862058Y CN2862058Y CN 200520036515 CN200520036515U CN2862058Y CN 2862058 Y CN2862058 Y CN 2862058Y CN 200520036515 CN200520036515 CN 200520036515 CN 200520036515 U CN200520036515 U CN 200520036515U CN 2862058 Y CN2862058 Y CN 2862058Y
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- radar
- analyser
- synchrodata
- playback
- data
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Abstract
The utility model relates to a radar waveform record-and-playback analyzer, which can real-time record radar data and playback synchronous data stream, comprising a DSP central processing unit (CPU), a synchronous data receiving module, a synchronous data transmitting module, an asynchronous data receiving/transmitting module, an operating mode and a frequency selection module, and an operating state display module. When the analyzer implements real-time receiving and recording, its input terminal is connected to a modem connecting to radar and its output terminal is connected to the serial port of computer via a modem. When the analyzer implements synchronous playback, the input terminal thereof is connected to the serial port of computer and the output terminal thereof is connected to the multi-radar data processing system via modem and radar input channel and the analyzer works under software control. The analyzer solves the problem that there is no real data source during the R&D, simulation and debugging of radar information processing system, filling in the gap in this field; reduces the professional requirements to research staff; facilitates system maintenance and data and fault analysis; and remarkably reduce cost.
Description
One. affiliated technical field
The utility model relates to the disposal system of radar information, specifically is radar waveform record playback analyser.
Two. background technology
Along with the develop rapidly of China's aircraft industry, the radar information disposal system is also in continuous development.The radar data overwhelming majority that the radar information disposal system is handled is a synchrodata, comprises HDLC, XDLC, BSC, CD-II etc.When the development of Radar information processing system is unified Field Research, often want the Analysis of Radar data, even wish radar " moved home " and carry out the simulated field artificial debugging.Widespread usage data recording/reproducing equipment in the present radar information disposal system, but real time record preservation, and the equipment of reducible playback synchronous data flow yet there are no report.
Three. the utility model content
The purpose of this utility model provides a kind of can real time record the preservation, and the instrument of reducible playback synchronous data flow.This analyser can write down synchronous radar data, playback, analysis, also is applicable to the analysis of other bit synchronous flow data.
The purpose of this utility model reaches like this:
Analyser is selected by DSP digital processing unit, synchrodata reception, synchrodata transmission, asynchronous data transmitting-receiving, mode of operation and frequency of operation and the duty display module constitutes.The synchrodata reception is connected the back with the synchrodata sending module by the DB25/M standard interface and is connected with modulator-demodular unit.The asynchronous data transceiver module is connected with computer by serial by the DB9/F standard interface.The synchrodata receiver module comprises that synchrodata receives and synchronous clock receives, and the synchrodata sending module comprises that synchrodata sends and synchronous clock sends.
Analyser is during as real-time receiving record instrument, its receiving end is connected with the modulator-demodular unit that is connected with radar by modulator-demodular unit, output terminal is connected to computer by serial, analyser is during as the synchronized playback instrument, serial ports of computers is connected to the input end of analyser, the output terminal of analyser is connected with the modulator-demodular unit of many radar data processing systems by modulator-demodular unit, enters many radar data processing systems through the radar input channel.
The DSP central processing unit comprises and contains external memory storage, and artificial circuit and dial-up setting are with, asynchronous RS232 and TIL level conversion and power circuit.
8 analysers can receive, write down 8 radar waveform information respectively and be input to 8 serial ports computing machines, and 8 analysers can enter many radar data processing systems through the radar input channel simultaneously by modulator-demodular unit.
The utlity model has following good effect:
1, solves the problem of when the research and development artificial debugging of radar information disposal system, not having the True Data source, use this product just to be equivalent to on-the-spot radar is moved home debugging, can accelerate the research and development progress, need not on-the-spot the debugging, fill up the blank of domestic product in this respect.
2, the true original radar data at scene can be taken back, reduce professional standards requirement the Research Analyst.
3, use this product can make things convenient for system maintenance and, accelerated the exploitation of radar information disposal system, reduce cost greatly data and fault analysis.
Four. description of drawings
Fig. 1 is the theory diagram of this radar waveform record playback analyser during as registering instrument.
Fig. 2 is the theory diagram of this radar waveform record playback analyser during as playback apparatus.
Fig. 3 is the structured flowchart of this radar waveform record playback analyser.
Fig. 4 is the circuit diagram that the dsp processor of this analysis instrument is connected with the external ROM storer, wherein, U3A is the power circuit of dsp processor, and U3B is the interface circuit of dsp processor and ROM storer, U3D is PWM synchrodata transmission interface and one group of I/O interface, and U4 is the external ROM chip.
Fig. 5 is that the artificial circuit and the dial-up of dsp processor is provided with circuit.Wherein, U3C is emulation interface part, system clock input and the part I/O interface of processor, and U3E is the power ground part of TMS320LF2407DSP processor, and JP6 is the JTAG emulation interface, and SWITCH is that 8 dial-ups are provided with switch.
Fig. 6 is same, the asynchronous RS232 communication and Transistor-Transistor Logic level conversion interface circuit of dsp processor.Among the figure, J1 is the DB25 interface of a standard, and J2 is the DB9 interface of a standard, and U5, U6 are the RS232 interface chips, and U7, U8, U9 are voltage transitions; D1-D9 is the working station indicator of equipment; Q1-Q8 drives D2-D9 work respectively.
Fig. 7 is the power circuit of dsp processor.
Fig. 8 is the working software process flow diagram of this radar waveform record playback analyser.
Five, embodiment
Accompanying drawing has picked out an embodiment of the present utility model.
This radar waveform record playback analyser selects module and duty display module to constitute by DSP central processing unit, synchrodata receiver module, synchrodata sending module, asynchronous data transceiver module, mode of operation and frequency of operation.The DSP digital processing unit adopts TMS320LF2407.
The hardware capability of this radar waveform record playback analyser is:
1, synchronous radar data record.When radar waveform record playback analyser works in the data recording pattern, synchronous radar data and synchronizing clock signals, carry out level conversion through the synchrodata receiver module, be input to the TMS320LF2407 dsp processor of system then, synchronizing clock signals connects DSP external interrupt input port, synchronous clock produces by DSP and interrupts, triggering system software removes to read the synchronized data signal of input, after receiving the synchronous BIT stream of some, system software will be as requested, determine whether to carry out the rules conversion, pass to computer equipment.
2, the synchronous radar data of playback.When radar waveform record playback analyser works in the data readback pattern, it will be sent out request signal automatically and give computer equipment, and computing machine is passed to radar waveform record playback analyser with the data of playback by serial ports according to request.System software is according to function setting, and by PWM (width modulation) the function port output synchronous clock frequency of DSP, data are also exported with the I/O port of DSP simultaneously.
3, mode of operation is selected.Mainly contain recording/playback selection, the setting of serial ports baud rate, the setting of playback clock baud rate, rules conversion by the toggle switch setting are provided with etc.Mode of operation also can be by the computer software setting.
4, radar rules conversion.Comprise the conversion of rules such as HDLC, XDLC, BSC, CD-II.
The DSP digital processing unit is as the central processing unit of this analysis instrument, and its circuit structure is provided by Fig. 4-Fig. 7, and its annexation is illustrated by network mark.
Among Fig. 4, U3A, U3B, U3D are respectively power unit, external memory interface part, PWM interface and one group of universaling I/O ports of TMS320LF2407 dsp processor; U4 is the external ROM chip, is beneficial to download carry out emulation.
Among Fig. 5, U3C is emulation interface part, system clock input and the part I/O interface of TMS320LF2407 dsp processor, and U3E is the power ground part of TMS320LF2407 dsp processor; JP6 is the JTAG emulation interface; SWITCH is that 8 dial-ups are provided with switch, and the function setting such as recording/playback, serial ports baud rate, playback clock baud rate, rules conversion of radar waveform record playback analyser are set.
Fig. 6 provides with, asynchronous RS232 and Transistor-Transistor Logic level translation interface principle.J1 is the DB25 interface of a standard among the figure, the synchrodata of input, synchronous clock, the external clock of the synchrodata of output, synchronous clock and input all from this interface into and out of; J2 is the DB9 interface of a standard, and function is to carry out serial communication with computing machine; U5, U6 are the RS232 interface chips, are responsible for the conversion of positive and negative 12 volts of level and Transistor-Transistor Logic level; Because input, the output level of TSM320LF2407 are 3.3 volts, so carry out the conversion between 5 volts and 3.3 volts with U7, U8, U9; D1-D9 is the working station indicator of equipment; Q1-Q8 drives D2-D9 work respectively.
Whether the power supply design is reasonable, and whether be directly connected to product can long-term stable operation.This product needed relates to 9V, 5V, 3.3V direct supply, and 3.3V divides 3.3V_CORE, 3.3V_I/O and 3.3V_VCC again to DSP.The 9V power supply adopts general 220V_AC to change 9V_DC, and 5V employing voltage stabilizing chip U1 realizes that 3.3V adopts low pressure poor chip U2 to connect and realizes, respectively the mode of 3.3V filtering is realized as for 3.3V_CORE, 3.3V_I/O and 3.3V_VCC employing.K is the power switch of this product.
Analyser is during as real-time receiving record instrument, its receiving end is connected with the modulator-demodular unit that is connected with radar by modulator-demodular unit, output terminal is connected to computer by serial, analyser is during as the synchronized playback instrument, serial ports of computers is connected to the input end of analyser, the output terminal of analyser is connected with the modulator-demodular unit of many radar data processing systems by modulator-demodular unit, enters many radar data processing systems through the radar input channel.
This analysis instrument is worked under software control, and the flow process of real time record and synchronized playback as shown in Figure 8.This flow process has mainly been told about the record data of radar waveform record playback analyser and the process of playback of data.Wherein several key links comprise: 1.The initialization that system powers on; 2.The rules conversion of record radar signal, the management of circle queue, data check is opened serial ports and is sent out number; 3.The synchronous clock setting of playback radar signal, the backhaul conversion of playback radar signal, the management of circle queue, data check is sent out number according to the synchronous clock frequency.
The upper computer software function of this analysis instrument is:
1, comprises that recording/playback is selected, the serial ports baud rate is provided with, the rules conversion is provided with, the setting of playback clock baud rate;
2, the passage string slogan of recording/playback is provided with;
3, the selection of recording/playback file, setting.
4, to the rules analysis of record data, provide the rate of misrepresenting deliberately.
5, support printing function.
When using this analysis instrument, 8 radar waveform data can be received respectively by 8 analysers, record, and input information is to 8 serial ports computing machines.Many radar data processing systems allow 8 analysers and enter simultaneously.
Claims (3)
1, a kind of radar waveform record playback analyser, it is characterized in that: analyser is by the DSP central processing unit, synchrodata receives, synchrodata sends, the asynchronous data transmitting-receiving, mode of operation and frequency of operation are selected, and the duty display module constitutes, the synchrodata reception is connected the back with the synchrodata sending module by the DB25/M standard interface and is connected with modulator-demodular unit, the asynchronous data transceiver module is connected with computer by serial by the DB9/F standard interface, the synchrodata receiver module comprises that synchrodata receives and synchronous clock receives, and the synchrodata sending module comprises that synchrodata sends and synchronous clock sends; Analyser is during as real-time receiving record instrument, its receiving end is connected with the modulator-demodular unit that is connected with radar by modulator-demodular unit, output terminal is connected to computer by serial, analyser is during as the synchronized playback instrument, serial ports of computers is connected to the input end of analyser, the output terminal of analyser is connected with the modulator-demodular unit of many radar data processing systems by modulator-demodular unit, enters many radar data processing systems through the radar input channel
2, radar waveform record playback analyser as claimed in claim 1, it is characterized in that: 8 analysers receive, write down 8 radar waveform information respectively and are input to 8 serial ports computing machines, and 8 analysers enter many radar data processing systems by modulator-demodular unit through the radar input channel.
3, radar waveform as claimed in claim 1 record playback apparatus is characterized in that: the DSP central processing unit comprises and contains external memory storage, and artificial circuit and dial-up setting are with, asynchronous RS232 and TIL level conversion and power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036515 CN2862058Y (en) | 2005-12-15 | 2005-12-15 | Radar waveform recording playback analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036515 CN2862058Y (en) | 2005-12-15 | 2005-12-15 | Radar waveform recording playback analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2862058Y true CN2862058Y (en) | 2007-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520036515 Expired - Fee Related CN2862058Y (en) | 2005-12-15 | 2005-12-15 | Radar waveform recording playback analyzer |
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| CN (1) | CN2862058Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051082B (en) * | 2007-03-30 | 2010-05-19 | 清华大学 | Method for packaging full orignal radar information |
| CN103413422A (en) * | 2013-07-24 | 2013-11-27 | 中国科学院上海微系统与信息技术研究所 | Information acquisition, integration and development platform of sensor |
-
2005
- 2005-12-15 CN CN 200520036515 patent/CN2862058Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051082B (en) * | 2007-03-30 | 2010-05-19 | 清华大学 | Method for packaging full orignal radar information |
| CN103413422A (en) * | 2013-07-24 | 2013-11-27 | 中国科学院上海微系统与信息技术研究所 | Information acquisition, integration and development platform of sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070124 Termination date: 20111215 |