CN104330800A - Vehicle-mounted mobile radar interface reconstruction situation system based on acquisition card - Google Patents
Vehicle-mounted mobile radar interface reconstruction situation system based on acquisition card Download PDFInfo
- Publication number
- CN104330800A CN104330800A CN201410513644.0A CN201410513644A CN104330800A CN 104330800 A CN104330800 A CN 104330800A CN 201410513644 A CN201410513644 A CN 201410513644A CN 104330800 A CN104330800 A CN 104330800A
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- Prior art keywords
- vehicle
- moving target
- radar
- mounted mobile
- mobile radar
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Classifications
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- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9314—Parking operations
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9316—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles combined with communication equipment with other vehicles or with base stations
Abstract
The invention relates to a vehicle-mounted mobile radar interface reconstruction system based on an acquisition card. The system is characterized in that vehicle-mounted mobile radar is provided with the acquisition card which is used for acquiring radar interlayer signals, including a trigger signal, an echo signal and 12 paths of azimuth signals. The acquisition card is also provided with a Beidou positioning module which is used for acquiring latitude and longitude information of moving targets. All the signals pass through an FPGA data acquisition module and then are converted into binary codes via an ARM embedded module through task scheduling algorithm processing, and then are transmitted to a vehicle-mounted PC via a USB protocol. The received data are calculated by the vehicle-mounted PC and then transmitted to a rear upper computer via a wireless transmission mode. Reconstruction of a vehicle-mounted mobile radar real-time interface is performed by the rear upper computer via adopting a software algorithm, the moving targets is displayed on a GIS map and transmitted back to the vehicle-mounted PC. The vehicle is precisely positioned via scanning multiple moving targets and heading and navigation speed are acquired, and interface reconstruction is performed by adopting the software algorithm.
Description
Technical field
The present invention relates to Radar Technology field, be specifically related to a kind of vehicle-mounted mobile radar free surface tracking system based on capture card.
Background technology
Trailer-mounted radar refers to a kind of special electronic detector for position measurement on vehicle, and modal is radar for backing car, and detection range is generally several centimetres to several meters.In addition, vehicle anti-collision device in the market adopts trailer-mounted radar technology, and be subject to the complicated and diversified impact of road conditions, effect is not very good.And the moving target that existing trailer-mounted radar cannot be scanned by system reconfiguration, shows intuitively.
Summary of the invention
In view of this, the object of this invention is to provide a kind of vehicle-mounted mobile radar free surface tracking system based on capture card, vehicle accurately located by scanning multiple moving target and obtains coursespeed, adopt software algorithm to carry out free surface tracking.
A kind of vehicle-mounted mobile radar free surface tracking system based on capture card provided by the invention, is characterized in that: vehicle-mounted mobile radar arranges a capture card, comprises: trigger pip, echoed signal, 12 road azimuth signals in order to gather radar middle layer signal; Described capture card is also provided with a Big Dipper locating module, in order to gather the latitude and longitude information of moving target; All signals are after a FPGA data acquisition module, the latitude and longitude information of trigger pip, echoed signal, 12 road azimuth signals and moving target is converted to binary code after an ARM flush bonding module carries out task scheduling algorithm process, is transferred to a vehicle-mounted PC by usb protocol; The data of reception through computing, are sent to a rear host computer by wireless transmission method by described vehicle-mounted PC; Described rear host computer adopts software algorithm to be reconstructed the real-time interface of vehicle-mounted mobile radar, is presented in GIS map by moving target, and returns to vehicle-mounted PC.
Further, described trigger pip is pulse signal, interval 2500 microsecond.
Further, described echoed signal, be 0-5V through amplifying the voltage produced, be divided into 256 brightness values according to echoed signal voltage power, the brightness value that echoed signal is stronger is higher.
Further, 12 described road azimuth signals are radar collects 12 railway digital signals, scanning one is enclosed 360 degree and is divided into 4096 deciles by radar, 4096 position angles can be obtained inputted by 12 railway digital signals, wherein each position angle is divided into 1200 points, each point represents 150 meters, and therefore detection range is 180 kilometers.
Further, 12 described road azimuth signals are inputted by 12 RS422 serial ports.
Further, outside described FPGA data acquisition module, enclose a memory chip, for data cached.
Further, establishing a situation judge module in described vehicle-mounted PC, scanning the longitude and latitude of moving target for calculating vehicle-mounted mobile radar, to the information of the moving target that vehicle-mounted PC temporarily provides vehicle-mounted mobile radar scanning to arrive.
Further, described wireless transmission method is by all arranging a modulator-demodular unit at vehicle-mounted PC and rear host computer and a radio station realizes.
Further, the software algorithm that described rear host computer adopts, can according to the trigger pip received, echoed signal, the position of 4096 angle signals and moving target latitude and longitude information determination moving target, while radar emission electric wave, cause trigger pip, start timing, timing is terminated when receiving target echo signal, the time being transmitted into and receiving echo can be calculated, because velocity of electromagnetic wave and the light velocity are substantially equal, the light velocity time of being multiplied by can be utilized to remove the distance that 2 can draw target, vehicle-mounted PC is set to the center of circle so that radar is in place, position angle during corresponding emitting radio waves, the position of moving target can be determined.
Further, the software algorithm that described rear host computer adopts, can also form the situation situation of moving target according to the trigger pip received, echoed signal, 4096 angle signals and moving target latitude and longitude information, in software algorithm, preserve radar scanning 3 enclose above data, namely at least 3 group 4096 angle signals and echoed signal is preserved, each group angle signal and echoed signal and last group are compared, find out the echoed signal that difference is maximum, through computing determination moving target, according to the longitude and latitude locating information of Big Dipper locating module to vehicle-carried mobile radar, the latitude and longitude information of moving target can be calculated, the longitude and latitude locating information of moving target is located on map, multi-turn locating information according to moving target carries out line, just can draw the course of moving target, and the speed of a ship or plane of moving target is gone out according to Time Calculation, multiple moving target shows simultaneously on a map, forms the situation situation of moving target.
Accompanying drawing explanation
Fig. 1 is system principle diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
The present embodiment provides a kind of vehicle-mounted mobile radar free surface tracking system based on capture card.
In this enforcement, as shown in Figure 1, vehicle-mounted mobile radar arranges a capture card, comprises: trigger pip, echoed signal, 12 road azimuth signals in order to gather radar middle layer signal; Described capture card is also provided with a Big Dipper locating module, in order to gather the latitude and longitude information of moving target; All signals are after a FPGA data acquisition module, the latitude and longitude information of trigger pip, echoed signal, 12 road azimuth signals and moving target is converted to binary code after an ARM flush bonding module carries out task scheduling algorithm process, is transferred to a vehicle-mounted PC by usb protocol; The data of reception through computing, are sent to a rear host computer by wireless transmission method by described vehicle-mounted PC; Described rear host computer adopts software algorithm to be reconstructed the real-time interface of vehicle-mounted mobile radar, by moving target on the map of display interface, and returns on the display interface of vehicle-mounted PC.
In the present embodiment, described trigger pip is pulse signal, interval 2500 microsecond; Described echoed signal, be 0-5V through amplifying the voltage produced, be divided into 256 brightness values according to echoed signal voltage power, the brightness value that echoed signal is stronger is higher; Further, 12 described road azimuth signals are radar collects 12 railway digital signals, scanning one is enclosed 360 degree and is divided into 4096 deciles by radar, 4096 position angles can be obtained inputted by 12 railway digital signals, wherein each position angle is divided into 1200 points, each point represents 150 meters, and therefore detection range is 180 kilometers.12 described road azimuth signals are inputted by 12 RS422 serial ports; A memory chip is enclosed, for data cached outside described FPGA data acquisition module.
Preferably, establishing a situation judge module in described vehicle-mounted PC, scanning the longitude and latitude of moving target for calculating vehicle-mounted mobile radar, to the information of the moving target that vehicle-mounted PC temporarily provides vehicle-mounted mobile radar scanning to arrive.Described situation judges that mould can be preserved radar scanning 3 and enclose above data, namely at least 3 group 4096 angle signals and echoed signal is preserved, each group angle signal and echoed signal and last group are compared, find out the echoed signal that difference is maximum, through computing determination moving target, according to the longitude and latitude locating information of Big Dipper locating module to vehicle-carried mobile radar, the latitude and longitude information of moving target can be calculated.
It is worth mentioning that, described wireless transmission method, described wireless transmission method is by all arranging a modulator-demodular unit at vehicle-mounted PC and rear host computer and a radio station realizes.
In order to better the present invention is described, next the software reconfiguration process of implementation method of the present invention will be analyzed further: the software algorithm that described rear host computer adopts, and the position of target can be can determined according to the trigger pip received, echoed signal, 4096 angle signals and moving target latitude and longitude information; While radar emission electric wave, cause trigger pip, start timing, terminating timing when receiving target echo signal, the time being transmitted into and receiving echo can be calculated, because velocity of electromagnetic wave and the light velocity are substantially equal, the light velocity time of being multiplied by can be utilized to remove the distance that 2 can draw target, vehicle-mounted PC is set to the center of circle so that radar is in place, position angle during corresponding emitting radio waves, the position of target can be determined.
Preferably, the software algorithm that described rear host computer adopts, can also form the situation situation of moving target according to the trigger pip received, echoed signal, 4096 angle signals and moving target latitude and longitude information, in software algorithm, preserve radar scanning 3 enclose above data, namely at least 3 group 4096 angle signals and echoed signal is preserved, each group angle signal and echoed signal and last group are compared, find out the echoed signal that difference is maximum, through computing determination moving target, according to the longitude and latitude locating information of Big Dipper locating module to vehicle-carried mobile radar, the latitude and longitude information of moving target can be calculated, the longitude and latitude locating information of moving target is located on map, multi-turn locating information according to moving target carries out line, just can draw the course of moving target, and the speed of a ship or plane of moving target is gone out according to Time Calculation, multiple moving target shows simultaneously on a map, forms the situation situation of moving target.
Described in summary, the present invention adopts the detectable distance of vehicle-carried mobile radar can reach 180 meters, vehicle accurately located by scanning multiple moving target and obtains coursespeed, software algorithm is adopted to carry out free surface tracking, more intuitively moving target is presented on rear host computer and vehicle-carrying display screen, there are good market outlook.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. based on a vehicle-mounted mobile radar free surface tracking system for capture card, it is characterized in that: vehicle-mounted mobile radar arranges a capture card, comprise in order to gather radar middle layer signal: trigger pip, echoed signal, 12 road azimuth signals; Described capture card is also provided with a Big Dipper locating module, in order to gather the latitude and longitude information of moving target; All signals are after a FPGA data acquisition module, the latitude and longitude information of trigger pip, echoed signal, 12 road azimuth signals and moving target is converted to binary code after an ARM flush bonding module carries out task scheduling processing, is transferred to a vehicle-mounted PC by usb protocol; The data of reception through computing, are sent to a rear host computer by wireless transmission method by described vehicle-mounted PC; Described rear host computer adopts software algorithm to be reconstructed the real-time interface of vehicle-mounted mobile radar, is presented in GIS map by moving target, and returns to vehicle-mounted PC.
2. a kind of vehicle-mounted mobile radar free surface tracking system based on capture card according to claim 1, is characterized in that: described trigger pip is pulse signal, interval 2500 microsecond.
3. a kind of vehicle-mounted mobile radar free surface tracking system based on capture card according to claim 1, it is characterized in that: described echoed signal, the voltage produced through amplification is 0-5V, and be divided into 256 brightness values according to echoed signal voltage power, the brightness value that echoed signal is stronger is higher.
4. a kind of vehicle-mounted mobile radar free surface tracking system based on capture card according to claim 1, it is characterized in that: 12 described road azimuth signals are radar collects 12 railway digital signals, scanning one is enclosed 360 degree and is divided into 4096 deciles by radar, 4096 position angles can be obtained inputted by 12 railway digital signals, wherein each position angle is divided into 1200 points, each point represents 150 meters, and therefore detection range is 180 kilometers.
5. a kind of vehicle-mounted mobile radar free surface tracking system based on capture card according to claim 4, is characterized in that: 12 described road azimuth signals are inputted by 12 RS422 serial ports.
6. a kind of vehicle-mounted mobile radar free surface tracking system based on capture card according to claim 1, is characterized in that: enclose a memory chip outside described FPGA data acquisition module, for data cached.
7. a kind of vehicle-mounted mobile radar free surface tracking system based on capture card according to claim 1, it is characterized in that: in described vehicle-mounted PC, establish a situation judge module, the longitude and latitude of moving target is scanned, to the information of the moving target that vehicle-mounted PC temporarily provides vehicle-mounted mobile radar scanning to arrive for calculating vehicle-mounted mobile radar.
8. a kind of vehicle-mounted mobile radar free surface tracking system based on capture card according to claim 1, is characterized in that: described wireless transmission method is by all arranging a modulator-demodular unit at vehicle-mounted PC and rear host computer and a radio station realizes.
9. a kind of vehicle-mounted mobile radar free surface tracking system based on capture card according to claim 1, it is characterized in that: the software algorithm that described rear host computer adopts, can according to the position of the trigger pip received, echoed signal, 4096 angle signals and moving target latitude and longitude information determination moving target; Due to while radar emission electric wave, cause trigger pip, start timing, terminating timing when receiving target echo signal, the time being transmitted into and receiving echo can be calculated, because velocity of electromagnetic wave and the light velocity are substantially equal, the light velocity time of being multiplied by can be utilized to remove the distance that 2 can draw moving target and vehicle, vehicle-mounted PC is set to the center of circle so that radar is in place, position angle during corresponding emitting radio waves, the position of target can be determined.
10. a kind of vehicle-mounted mobile radar free surface tracking system based on capture card according to claim 1, it is characterized in that: the software algorithm that described rear host computer adopts, the situation situation of moving target can also be formed according to the trigger pip received, echoed signal, 4096 angle signals and moving target latitude and longitude information, in software algorithm, preserve radar scanning 3 enclose above data, namely at least 3 group 4096 angle signals and echoed signal is preserved, each group angle signal and echoed signal and last group are compared, find out the echoed signal that difference is maximum, through computing determination moving target, according to the longitude and latitude locating information of Big Dipper locating module to vehicle-carried mobile radar, the latitude and longitude information of moving target can be calculated, the longitude and latitude locating information of moving target is located on map, multi-turn locating information according to moving target carries out line, just can draw the course of moving target, and the speed of a ship or plane of moving target is gone out according to Time Calculation, multiple moving target shows simultaneously on a map, forms the situation situation of moving target.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410513644.0A CN104330800A (en) | 2014-09-30 | 2014-09-30 | Vehicle-mounted mobile radar interface reconstruction situation system based on acquisition card |
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| CN201410513644.0A CN104330800A (en) | 2014-09-30 | 2014-09-30 | Vehicle-mounted mobile radar interface reconstruction situation system based on acquisition card |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680777A (en) * | 2016-12-23 | 2017-05-17 | 西安电子科技大学 | Apparatus used for carrying out partial acquisition on radar echo data and method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201259547Y (en) * | 2008-08-28 | 2009-06-17 | 阮树成 | Millimeter wave time-division linear frequency modulated multi-target detection anti-collision radar for automobile |
| US20100312428A1 (en) * | 2003-03-20 | 2010-12-09 | Roberge Andre C | Gnss guidance and machine control |
| CN102542634A (en) * | 2012-01-13 | 2012-07-04 | 北京理工大学 | Measuring system of driving state of target vehicle |
| CN203133282U (en) * | 2013-03-07 | 2013-08-14 | 连芷萱 | Object positioning mobile terminal based on big dipper positioning system |
| CN104007441A (en) * | 2014-05-12 | 2014-08-27 | 格利尔数码科技股份有限公司 | Vehicle-mounted panoramic radar monitoring method and system |
-
2014
- 2014-09-30 CN CN201410513644.0A patent/CN104330800A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100312428A1 (en) * | 2003-03-20 | 2010-12-09 | Roberge Andre C | Gnss guidance and machine control |
| CN201259547Y (en) * | 2008-08-28 | 2009-06-17 | 阮树成 | Millimeter wave time-division linear frequency modulated multi-target detection anti-collision radar for automobile |
| CN102542634A (en) * | 2012-01-13 | 2012-07-04 | 北京理工大学 | Measuring system of driving state of target vehicle |
| CN203133282U (en) * | 2013-03-07 | 2013-08-14 | 连芷萱 | Object positioning mobile terminal based on big dipper positioning system |
| CN104007441A (en) * | 2014-05-12 | 2014-08-27 | 格利尔数码科技股份有限公司 | Vehicle-mounted panoramic radar monitoring method and system |
Non-Patent Citations (2)
| Title |
|---|
| 中央气象局: "《测雨雷达观测手册》", 31 May 1972 * |
| 舒长胜 等: "《舰炮武器系统应用工程基础》", 31 May 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680777A (en) * | 2016-12-23 | 2017-05-17 | 西安电子科技大学 | Apparatus used for carrying out partial acquisition on radar echo data and method thereof |
| CN106680777B (en) * | 2016-12-23 | 2019-08-02 | 西安电子科技大学 | A kind of pair of radar return data carry out the device and method of part acquisition |
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Application publication date: 20150204 |