CN109557517A - Index testing device and method for low-speed unmanned aerial vehicle detection radar - Google Patents
Index testing device and method for low-speed unmanned aerial vehicle detection radar Download PDFInfo
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- CN109557517A CN109557517A CN201811499450.4A CN201811499450A CN109557517A CN 109557517 A CN109557517 A CN 109557517A CN 201811499450 A CN201811499450 A CN 201811499450A CN 109557517 A CN109557517 A CN 109557517A
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 8
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- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000005662 electromechanics Effects 0.000 claims description 6
- 238000010998 test method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000005292 diamagnetic effect Effects 0.000 claims description 4
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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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses the index testing devices and method for low-speed unmanned aerial vehicle detection radar, including unmanned plane and earth station, the unmanned plane includes GPS module, barometertic altimeter, wireless data transmission module and MCU, the barometertic altimeter is used to detect the flying height of unmanned plane, the GPS module is for detecting the position of unmanned plane, the GPS module and the barometertic altimeter are connect with MCU, processing and coding for data, the MCU is connected with wireless data transmission module, the transmission for data after handling；Pass through setting radar, GPS module and barometertic altimeter, pass through radar, GPS module and air pressure altimeter, must can there emerged a latitude and longitude information and two elevation informations respectively, the key indexes such as projector distance, true altitude, level angle and pitch angle can be calculated, above-mentioned data can be obtained in relatively simple mode, the use for avoiding darkroom and signal simulator reduces unnecessary expense expenditure, Economic Energy is made to access sufficient utilization.
Description
Technical field
The invention belongs to detection radar technical fields, the more particularly, to index test of low-speed unmanned aerial vehicle detection radar
Device and method.
Background technique
The index in detail such as distance by radar precision, angle precision, processing delay is all made of special radar set test equipment (thunder at present
Up to signal simulator) it realizes.
When using the above means, radar need to be placed in the microwave dark room met the requirements, and target range, is bowed at velocity vector
The elevation angle, horizontal angle are generated by radar signal simulator, and contrast signal simulator parameter and radar test are as a result, assessment distance essence
Degree, angle precision, processing lagger.
It needs to customize test macro according to Radar Objective Characteristics, test macro is only capable of specific use；It needs to occupy darkroom test, surveys
Try high expensive；Most of test macros are the exploitation of 18GHz or less pulse radar.Developer component can be used for reference for continuous wave radar
Less, signal simulator development cost is higher, and millimere-wave band darkroom cost is also higher；It is only capable of providing darkroom test result, under battle conditions
Effect can not quantitative test the problem of.
Summary of the invention
The present invention is provided to the index testing device of low-speed unmanned aerial vehicle detection radar and methods, it is intended to which solution needs basis
Radar Objective Characteristics customize test macro, and test macro is only capable of specific use；Need to occupy darkroom test, testing cost is higher；Mostly
Number test macro is the exploitation of 18GHz or less pulse radar.Developer component can be used for reference for continuous wave radar less, signal simulator
Development cost is higher, and millimere-wave band darkroom cost is also higher；It is only capable of providing darkroom test result, Competitive effects are asked without standard measure survey
Topic.
The invention is realized in this way the index testing device for low-speed unmanned aerial vehicle detection radar, including unmanned plane and
Earth station, the unmanned plane include GPS module, barometertic altimeter, wireless data transmission module and MCU, and the barometertic altimeter is used for
Detect the flying height of unmanned plane, the GPS module for being detected to the position of unmanned plane, the GPS module and
The barometertic altimeter is connect with MCU, and processing and coding for data, the MCU are connected with wireless data transmission module, is used
The transmission of data after processing,
The earth station includes turntable, radar, the aobvious control of PC and North Finding Module, equipped with data reception module, institute on the turntable
It states data reception module to be connected with wireless data transmission module, and is adapted, for the reception of data, the turntable and the aobvious control phase of PC
It connects, for the communication and decoding to data, the aobvious control of the PC is connected with radar, for the reception of decoded data, institute
It states North Finding Module to be connected with radar, for obtaining the zero-bit direction of radar and turntable.
Preferably, it is equipped with antenna on the earth station and unmanned plane, and two antennas are mutually adapted.
Preferably, the North Finding Module uses SCM345 type North Finding Module, and pointing accuracy is greater than 0.1 degree, carries diamagnetic dry
Disturb ability.
Preferably, the data reception module uses SX1276 wireless module, and sensitivity -113dBm, LoRa spread spectrum is anti-dry
It disturbs, TTL serial ports, aerial rate 2.4K bps.
Preferably, the turntable is made of rotating mechanism and electromechanics portion, and the electromechanics portion and rotating mechanism are sequentially connected, and
Electromechanical portion use LX-16A type serial bus digital rudder controller assembly, torsion 15KG, 0.25 ° of turning error.
Further include following steps for the indication test method of low-speed unmanned aerial vehicle detection radar:
Step S100, when unmanned plane starts to take off, height of taking off needs identical as radar altitude；
Step S200, before unmanned plane takes off, earth station obtains unmanned plane elevation information；
Step S300, earth station receive unmanned plane longitude and latitude and elevation information from wireless data transmission module；
Step S400, the calculating of key index.
Preferably, the step S300 further includes obtaining radar longitude and latitude from the GPS module of Embedded in Radar.
Preferably, the key index in the step S400 includes projector distance, true altitude, level angle and pitch angle
Deng.
Preferably, GPS module model NEO-7N, the TTL serial ports output, 9600 baud rates, NMEA agreement, positioning accurate
2.5 meters of degree, position refreshing frequency are supported to 10Hz, power consumption 5V.
Preferably, it before the step S100, needs to carry out GPS module, barometertic altimeter and wireless data sending mould to unmanned plane
The loading of block.
Compared with prior art, the beneficial effects of the present invention are: the finger for low-speed unmanned aerial vehicle detection radar of the invention
Test device and method are marked, by setting radar, GPS module and barometertic altimeter, passes through radar, GPS module and pressure altitude
Instrument must can there emerged a latitude and longitude information and two elevation informations respectively, can calculate projector distance, true altitude, level angle and bow
The key indexes such as the elevation angle can obtain above-mentioned data in relatively simple mode, avoid making for darkroom and signal simulator
With reducing unnecessary expense expenditure, Economic Energy made to access sufficient utilization.
It should be understood that the above is a preferred embodiment of the present invention, it is noted that for the art
For those of ordinary skill, various improvements and modifications may be made without departing from the principle of the present invention, these improvement
Also it is considered as protection scope of the present invention with retouching.
Detailed description of the invention
Fig. 1 is system schematic of the invention；
Fig. 2 is ground station control structural schematic diagram of the invention；
Fig. 3 is flow diagram of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, in the description of the present invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the present invention provides a kind of scheme: the index for low-speed unmanned aerial vehicle detection radar is surveyed
Trial assembly is set, including unmanned plane 10 and earth station 20, and unmanned plane 10 includes GPS module 11, barometertic altimeter 12, wireless data transmission module
13 and MCU14, barometertic altimeter 12 are used to detect the flying height of unmanned plane 10, and GPS module 11 is used for the institute to unmanned plane 10
It being detected in position, GPS module 11 and barometertic altimeter 12 are connect with MCU14, processing and coding for data,
MCU14 is connected with wireless data transmission module 13, for the transmission of data after handling,
Earth station 20 shows including turntable 21, radar 22, PC and controls 23 and North Finding Module 25, equipped with data reception module on turntable 21
24, data reception module 24 is connected with wireless data transmission module 13, and is adapted, and for the reception of data, turntable 21 and PC are aobvious
Control 23 is connected with each other, and for the communication and decoding to data, the aobvious control 23 of PC is connected with radar 22, for connecing for decoded data
It receives, North Finding Module 25 is connected with radar 22, for obtaining the zero-bit direction of radar 22 and turntable 21.
In the present embodiment, unmanned plane 10 and earth station 20 are connected with each other, when unmanned plane 10 is when taking off, pressure altitude
Meter 12 in real time detects the flying height of unmanned plane 10, also, GPS module 11 is connect with distal end satellite, and true by GPS
Determine longitude and latitude when 10 flight of unmanned plane, meanwhile, the data that GPS module 11 and barometertic altimeter 12 will test are transferred to MCU14
In, MCU14 encodes 10 longitude and latitude of unmanned plane and elevation information uniform protocol, since MCU14 is connected with wireless data transmission module 13
It connects, also, it is understood that, wireless data transmission module 13 is number transmission transmitter, and MCU14 sends the data after coding to wirelessly
In digital transmission module 13, it is connected by wireless data transmission module 13 with wireless receiving module, transmits data to data reception module
Inside 24, and it is to be appreciated that data reception module 24 is data transmission receiver, data reception module 24 is responsible for receiving unmanned plane
10 longitudes and latitudes and elevation information issued, and the aobvious control 23 of PC is sent, interface is passed by the end PC number and realizes bottom communication and decoding, radar
22 are responsible for that thunder GPS data is communicated and received with radar 22 and refer to northern information, meanwhile, using the antenna being arranged on turntable 21, pass through
The rotation of turntable 21 guarantees that the antenna moment is directed at unmanned plane 10, guarantees data continuity.
Further, it is equipped with antenna on the earth station and unmanned plane, and two antennas are mutually adapted.
In present embodiment, the antenna on unmanned plane is bent flexible PCB printed antenna, size 43mm × 9mm, ground
Antenna on standing is that antenna uses three unit yagi aerials, bandwidth 50MHz, gain 8dBi, 10 ° of main beam width.
Further, North Finding Module 25 uses SCM345 type North Finding Module 25, and pointing accuracy is greater than 0.1 degree, carries diamagnetic
Interference performance.
In the present embodiment, North Finding Module 25 refers to northern information for detecting, and to the signal limiting of North Finding Module 25,
And included diamagnetic interference performance, enable North Finding Module 25 it is more stable work, avoid external magnetic disturbance to finger
Northern module 25 impacts, meanwhile, the restriction of model enables the North Finding Module 25 to be more adapted to the use of the present apparatus.
Further, data reception module 24 uses SX1276 wireless module, and sensitivity -113dBm, LoRa spread spectrum is anti-dry
It disturbs, TTL serial ports, aerial rate 2.4K bps.
In the present embodiment, wireless data transmission module 13 is connected with wireless receiving module, keeps data reception module 24 logical
It crosses wireless data transmission module 13 and receives longitude and latitude and elevation information that unmanned plane 10 issues, transmit data to data reception module 24
Inside, and it is to be appreciated that data reception module 24 is data transmission receiver in the present apparatus.
Further, turntable 21 is made of rotating mechanism and electromechanics portion, and electromechanical portion and rotating mechanism are sequentially connected, and electromechanical
Portion use LX-16A type serial bus digital rudder controller assembly, torsion 15KG, 0.25 ° of turning error.
In the present embodiment, by the rotation of turntable 21, the adjusting of rotating mechanism is carried out, also, works as and needs to turntable
21 when being rotated, and electromechanical portion starts to work, and rotating mechanism is driven to start turning, and by the rotation of rotating mechanism, is turned
The direction of platform 21 is adjusted.
Further include following steps for the indication test method of low-speed unmanned aerial vehicle detection radar:
Step S100, when unmanned plane 10 starts to take off, height of taking off needs identical as 22 height of radar；
Step S200, before unmanned plane 10 takes off, earth station 20 obtains 10 elevation information of unmanned plane；
Step S300, earth station 20 receive 10 longitude and latitude of unmanned plane and elevation information from wireless data transmission module 13；
Step S400, the calculating of key index.
In the present embodiment, first that barometertic altimeter 12 and radar 22 is detected when unmanned plane 10 is when taking off
Data compare, and then it is highly consistent with the height detected of radar 22 to guarantee that entire unmanned plane 10 takes off, then, ground
20 are stood from reception 10 longitude and latitude of unmanned plane of wireless data transmission module 13 and elevation information, through 22 network interface of radar out of radar 22
The GPS module 11 set obtains 22 longitude and latitude of radar, obtains 22 turntable of radar, 21 zero-bit direction by built-in North Finding Module 25, passes through two
A latitude and longitude information, two elevation informations, can calculate the key indexes such as projector distance, true altitude, level angle and pitch angle.
Further, step S300 further includes obtaining 22 longitude and latitude of radar from the GPS module 11 built in radar 22.
In the present embodiment, 22 latitude and longitude information of radar obtained from GPS module 11 is subsequent key index volume meter
It calculates and improves data support, be conducive to be that subsequent index is accurately calculated.
Further, the key index in step S400 includes projector distance, true altitude, level angle and pitch angle.
In the present embodiment, projector distance, true altitude, level angle and pitch angle are required for scientific research personnel
The accuracy of data information, the data is higher, is more conducive to subsequent scientific research research and development.
Further, 11 model NEO-7N, TTL serial ports of GPS module exports, 9600 baud rates, NMEA agreement, positioning accurate
2.5 meters of degree, position refreshing frequency are supported to 10Hz, power consumption 5V.
In the present embodiment, the signal limiting of GPS module 11 makes the GPS module 11 be more suitable the use of the present apparatus,
Keep the detection of data more accurate.
Further, it before step S100, needs to carry out GPS module 11, barometertic altimeter 12 and no line number to unmanned plane 10
The loading of transmission module 13.
In the present embodiment, GPS module 11, barometertic altimeter 12 are respectively used to height and longitude and latitude to unmanned plane 10
The detection of degree, and wireless data transmission module 13 can send the data of detection, and staff is enable smoothly to obtain
Detection data.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. being used for the index testing device of low-speed unmanned aerial vehicle detection radar, which is characterized in that described including unmanned plane and earth station
Unmanned plane includes GPS module, barometertic altimeter, wireless data transmission module and MCU, and the barometertic altimeter is for detecting unmanned plane
Flying height, the GPS module is for detecting the position of unmanned plane, the GPS module and the pressure altitude
Meter is connect with MCU, and processing and coding for data, the MCU are connected with wireless data transmission module, for data after handling
Transmission,
The earth station includes turntable, radar, the aobvious control of PC and North Finding Module, equipped with data reception module, institute on the turntable
It states data reception module to be connected with wireless data transmission module, and is adapted, for the reception of data, the turntable and the aobvious control phase of PC
It connects, for the communication and decoding to data, the aobvious control of the PC is connected with radar, for the reception of decoded data, institute
It states North Finding Module to be connected with radar, for obtaining the zero-bit direction of radar and turntable.
2. being used for the index testing device of low-speed unmanned aerial vehicle detection radar as described in claim 1, which is characterized in that describedly
Antenna is equipped on face station and unmanned plane, and two antennas are mutually adapted.
3. being used for the index testing device of low-speed unmanned aerial vehicle detection radar as described in claim 1, which is characterized in that the finger
Northern module uses SCM345 type North Finding Module, and pointing accuracy is greater than 0.1 degree, carries diamagnetic interference performance.
4. being used for the index testing device of low-speed unmanned aerial vehicle detection radar as described in claim 1, which is characterized in that the number
SX1276 wireless module is used according to receiving module, sensitivity -113dBm, LoRa spread anti-interference, TTL serial ports, aerial rate
2.4K bps。
5. being used for the index testing device of low-speed unmanned aerial vehicle detection radar as described in claim 1, which is characterized in that described turn
Platform is made of rotating mechanism and electromechanics portion, and the electromechanics portion and rotating mechanism are sequentially connected, and electromechanics portion uses LX-16A type string
Mouth bus digital rudder controller assembly, torsion 15KG, 0.25 ° of turning error.
6. being used for the indication test method of low-speed unmanned aerial vehicle detection radar, which is characterized in that further include following steps:
Step S100, when unmanned plane starts to take off, height of taking off needs identical as radar altitude；
Step S200, before unmanned plane takes off, earth station obtains unmanned plane elevation information；
Step S300, earth station receive unmanned plane longitude and latitude and elevation information from wireless data transmission module；
Step S400, the calculating of key index.
7. being used for the indication test method of low-speed unmanned aerial vehicle detection radar as claimed in claim 6, which is characterized in that the step
Rapid S300 further includes obtaining radar longitude and latitude from the GPS module of Embedded in Radar.
8. such as the described in any item indication test methods for low-speed unmanned aerial vehicle detection radar of claim 6-7, feature exists
In the key index in the step S400 includes projector distance, true altitude, level angle and pitch angle.
9. such as the described in any item indication test methods for low-speed unmanned aerial vehicle detection radar of claim 7-8, feature exists
In, GPS module model NEO-7N, the TTL serial ports output, 9600 baud rates, NMEA agreement, 2.5 meters of positioning accuracy, position
Refreshing frequency is supported to 10Hz, power consumption 5V.
10. a kind of key index survey side for millimeter wave continuous wave low-speed unmanned aerial vehicle detection radar as claimed in claim 6
Method, which is characterized in that before the step S100, need to carry out GPS module, barometertic altimeter and wireless data transmission module to unmanned plane
Loading.
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| CN113419517A (en) * | 2021-07-12 | 2021-09-21 | 海丰通航科技有限公司 | Test method and device of aircraft prevention and control system, storage medium and computing equipment |
| CN113960644A (en) * | 2021-10-24 | 2022-01-21 | 公安部第三研究所 | Test system and method for unmanned aerial vehicle detection device |
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