CN103149559B - Intelligent detector of anti-interference performance of pulse laser range finder and detection method of anti-interference performance - Google Patents
Intelligent detector of anti-interference performance of pulse laser range finder and detection method of anti-interference performance Download PDFInfo
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Abstract
The invention relates to an intelligent detector of an anti-interference performance of a pulse laser range finder and a detection method of the anti-interference performance. The intelligent detector comprises a collimation optical system, a photovoltaic conversion and processing circuit, a main control circuit, a light source driving circuit, a combined simulative light source and a human-computer interaction interface. According to the intelligent detector and the detection method disclosed by the invention, a simulative range and the delaying time corresponding to the computation of the main control circuit are set through the human-computer interaction interface; simulative range finding echoes and interference echoes are sent by controlling the combined simulative light source; and emission powers and emission moments of the interference echoes are gradually adjusted so that a simulative detection of the anti-interference performance of the pulse laser range finder is realized. According to the intelligent detector and the detection method disclosed by the invention, a working mode that an existing detection only can detect outdoors in a long distance is changed and the detection of the anti-interference performance of the pulse laser range finder can be carried out indoors, so that a utilization field is more flexible and the detection is more convenient; and interference factors of weathers and environments in the detection work are reduced and a detection result is more accurate.
Description
Technical field
The present invention relates to a kind of device for detecting performance of pulse laser range finder, specifically the detection method of a kind of pulse laser range finder interference free performance intelligent detecting instrument and interference free performance.
Background technology
The maximum Military Laser Equipment of quantity equipped up to now by range finder using laser.On the weapon platform of many countries, as tank, panzer, surface ship and various fighter plane are all equipped with a large amount of range finder using lasers.These range finder using lasers are necessary component of fire control system, and therefore the domestic and international interference method to range finder using laser has carried out large quantity research.
At present, to the detection of the interference free performance of 1.06 μm of pulse type laser range finders, whether the outdoor method of general employing, in modes such as high power laser jamming equipment distance transmission Gao Zhongying pulse coded information, still can obtain normal range measurement as evaluation according to range finder using laser.This detection method is limited to the conditions such as place, weather and instrument and equipment, can not be simple and easy to do.Therefore, in the urgent need to developing a kind of Artificial Intelligence Instrument and detection method for carrying out interference free performance detection under indoor environment to range finder using laser.
Summary of the invention
An object of the present invention is just to provide a kind of pulse laser range finder interference free performance intelligent detecting instrument, to solve the awkward problem that existing interference free performance detector exists because using area is limited.
Two of object of the present invention is just to provide a kind of detection method of pulse laser range finder interference free performance, to make the detection of pulse laser range finder interference free performance more flexible.
An object of the present invention is achieved in that a kind of pulse laser range finder interference free performance intelligent detecting instrument, includes:
Collimating optical system, connect with combine analog light source and opto-electronic conversion and treatment circuit respectively, the analogue ranging echo sent for subtend measured pulse range finder using laser and interference echo and photoelectric coupling and collimation are carried out to the ranging burst signal sent by measured pulse range finder using laser;
Combine analog light source, connects with the transmitting objective lens of light source driving circuit and described collimating optical system respectively, under the control of described light source driving circuit, generates and sends analogue ranging echo and interference echo;
Opto-electronic conversion and treatment circuit, connect with the receiving objective of governor circuit and described collimating optical system respectively, and the ranging burst signal for sending measured pulse range finder using laser sends to described governor circuit after carrying out opto-electronic conversion and process;
Light source driving circuit, connects with described combine analog light source and governor circuit respectively, under the control of steering order that sends at described governor circuit, drives described combine analog light source to send analogue ranging echo and interference echo;
Governor circuit, connect with described light source driving circuit, described opto-electronic conversion and treatment circuit and human-computer interaction interface respectively, drive described combine analog light source to send the analogue ranging echo corresponding with steering order and interference echo for controlling described light source driving circuit, and calculate the interference free performance of measured pulse range finder using laser according to the ranging burst signal received; And
Human-computer interaction interface, connects with described governor circuit, for setting and to described governor circuit transmission simulated range instruction and jamming pattern selection instruction, and obtains interference free performance detection data from described governor circuit.
Described combine analog light source comprises and is arranged on LD light source on red copper carrier 14 and LED light source;
Described LD light source comprises LD, LD lenticule and the miniature attenuator of LD of centre wavelength 1.06 μm;
Described LED light source comprises LED, LED lenticule and the miniature attenuator of LED of centre wavelength 1.06 μm.
Described light source driving circuit comprises LD driving circuit and LED drive circuit; Described LD driving circuit is supply voltage fixed driving circuit, and described LED drive circuit is supply voltage changeable type driving circuit.
The present invention is calculated by governor circuit and sets delay time corresponding to simulated range with human-computer interaction interface, and control combination analog light source sends analogue ranging echo and interference echo, progressively regulate emissive power and the x time of interference echo, after measured pulse range finder using laser returns range measurement, instrument automatically reads this result and contrasts with simulated range, to differentiate that whether measured pulse range finder using laser is disturbed, and record this analogue ranging echo and the power ratio of interference echo.When measured pulse range finder using laser can not return correct range measurement, detector of the present invention can provide the power ratio of now analogue ranging echo and interference echo automatically, obtains the interference free performance index of this pulse laser range finder under current jamming pattern thus.
Two of object of the present invention is achieved in that a kind of detection method of pulse laser range finder interference free performance, comprises the following steps:
A, the receiving objective of the collimating optical system in pulse laser range finder interference free performance intelligent detecting instrument according to claim 1 is aimed at the transmitting camera lens of measured pulse range finder using laser, the transmitting objective lens of described collimating optical system is aimed at the reception camera lens of measured pulse range finder using laser;
B, by human-computer interaction interface in described pulse laser range finder interference free performance intelligent detecting instrument setting simulated range with select jamming pattern, and read by the governor circuit in described pulse laser range finder interference free performance intelligent detecting instrument and analyze;
If c selects high-repetitive frequency pattern, selected frequency and the power of interference echo by described human-computer interaction interface; If select deviation cheating interference pattern, by described human-computer interaction interface setting offset distance and interference echo power;
D, ranging burst launched by operation measured pulse range finder using laser, described governor circuit is sent to after carrying out opto-electronic conversion and process by the opto-electronic conversion in described pulse laser range finder interference free performance intelligent detecting instrument and treatment circuit after described collimating optical system receives this ranging burst, described governor circuit according to setting simulated range after the time delay corresponding time, the light source driving circuit controlled in described pulse laser range finder interference free performance intelligent detecting instrument drive the combine analog light source in described pulse laser range finder interference free performance intelligent detecting instrument via the transmitting objective lens of described collimating optical system to measured pulse range finder using laser emissive power than adjustable analogue ranging echo and interference echo,
E, progressively increase the power of interference echo, by described governor circuit automatic decision measured pulse range finder using laser in when can not correctly return the ranging information corresponding with delay time, and automatically record the power of this moment corresponding analogue ranging echo and interference echo, by the ratio of the power of calculating simulation ranging echo with the power of interference echo, the interference free performance parameter of measured pulse range finder using laser under high-repetitive frequency pattern or under deviation cheating interference pattern can be drawn.
Described analogue ranging echo is LD light beam, and described interference echo is LED light bundle.
Interference echo is launched in Gao Zhongying mode always, and the testing result obtained is the interference free performance parameter under minus deviation high-repetitive frequency pattern.
Under deception deviation jamming pattern, first emissive power is less than the interference echo of analogue ranging echo power, then delay emission analogue ranging echo, and the testing result obtained is the interference free performance parameter under minus deviation jamming pattern.
Under deception deviation jamming pattern, first launching simulation ranging echo, then delay emission power is greater than the interference echo of analogue ranging echo power, the testing result obtained is the interference free performance parameter under overgauge jamming pattern.
The present invention changes the mode of operation that existing pick-up unit can only detect at a distance in the open, the detection of the interference free performance of pulse laser range finder can be carried out in indoor, using area is more flexible, it is more convenient to detect, decrease the disturbing factor of weather and environment in testing, testing result is more accurate.
Accompanying drawing explanation
Fig. 1 is structural principle block diagram of the present invention.
Fig. 2 is the electric theory diagram of combine analog light source.
Fig. 3 is the electric theory diagram of governor circuit.
In figure: 1, receiving objective, 2, opto-electronic conversion and treatment circuit, 3, governor circuit, 4, light source driving circuit, 5, combine analog light source, 6, transmitting objective lens, 7, human-computer interaction interface, 8, collimating optical system, 9, LD lenticule, 10, the miniature attenuator of LD, 11, LED, 12, LED lenticule, 13, the miniature attenuator of LED, 14, red copper carrier, 15, liquid crystal module, 16, keyboard, 17, lcd controller, 18, GPIO module, 19, level shifting circuit, 20, communication controler, 21, ram in slice, 22, bus, 23, the soft core of CPU, 24, DAC steering logic, 25, DAC, 26, LED pulse drive signal generator, 27, LD pulse drive signal generator, 28, LD driving circuit, 29, power module, 30, LED drive circuit, 31, FLASH memory, 32, high-precision crystal oscillator, 33, LD.
Embodiment
Embodiment 1:
As shown in Figure 1, the present invention includes collimating optical system 8, opto-electronic conversion and treatment circuit 2, governor circuit 3, light source driving circuit 4, combine analog light source 5 and human-computer interaction interface 7.
Collimating optical system 8 is made up of receiving objective 1 and transmitting objective lens 6, and wherein, receiving objective 1 connects with opto-electronic conversion and treatment circuit 2, and transmitting objective lens 6 connects with combine analog light source 5.This collimating optical system 8 pairs of detectors of the present invention and measured pulse range finder using laser carry out photoelectric coupling and collimate, namely the range finder using laser ranging burst that the collimating optical system 8 received by receiving objective 1 is received, send to opto-electronic conversion and treatment circuit 2, send analogue ranging echo and the interference echo of the input of combine analog light source 5.
Opto-electronic conversion and treatment circuit 2 are managed by PIN and signal processing circuit forms, connect with the receiving objective 1 of collimating optical system 8 and governor circuit 3, ranging burst signal for sending measured pulse range finder using laser sends to governor circuit 3 after carrying out opto-electronic conversion and process.
Combine analog light source 5 connects with collimating optical system 8 and light source driving circuit 4, for the driving instruction by receiving light source driving circuit 4 transmission, and generates and sends analogue ranging echo and interference echo according to driving instruction.
This combine analog light source 5 includes the LED light source of the LD light source of launching simulation ranging echo and the interference echo of launching simulation ranging echo.LD light source and LED light source are all arranged on carrier 14, particularly optional red copper carrier 14.LD light source includes: the LD33 that centre wavelength is 1.06 μm, the LD lenticule 9 be electrically connected with LD33, and the miniature attenuator 10 of LD be electrically connected with LD lenticule 9.LED light source includes: the LED11 that centre wavelength is 1.06 μm, the LED lenticule 12 be electrically connected with LED11, and the miniature attenuator 13 of LED be electrically connected with LED lenticule 12.
Particularly, according to different light-emitting area features, with semiconductor mounting technology by LD33(laser diode) nude film and LED11(light emitting diode) nude film is closely bonded in the diverse location of red copper carrier 14, red copper carrier 14 to be built by spun gold as the common cathode of two kinds of light emitting semiconductor devices and the anode of two luminescent devices and is closed technique and draw respectively, and for the lenticule that the light beam of two kinds of devices focused on and decay and miniature attenuator all fixing on the same vector.Lenticule includes LD lenticule 9 and LED lenticule 12, and miniature attenuator includes the miniature attenuator of LD 10 and the miniature attenuator 13 of LED.Wherein, the miniature attenuator of LD 10 is different with the attenuation coefficient of the miniature attenuator of LED 13.
Light source driving circuit 4 is made up of LD driving circuit 28 and LED drive circuit 30, connects with combine analog light source 5 and governor circuit 3.This light source driving circuit 4 receives the driving instruction that governor circuit 3 sends, and drives combine analog light source 5 to launch transmission analogue ranging echo and interference echo according to driving instruction.
LD light source power greatly but not easily realize power modulation, though little being easy to of LED light source power realizes power modulation.So LD light source adopts the fixing driving circuit of supply voltage to drive, LD light source luminescent power is remained unchanged; LED light source adopts the variable driving circuit of supply voltage to drive, and the luminous power of LED light source is modulated as required, with the analogue ranging echo and the interference echo that make combine analog light source 5 send different capacity ratio.Make LED light source luminous power be 100 to the maximum with the ratio of LD light source luminescent power by the driving voltage changing LED light source, minimum is 1.The adjustment of miniature attenuator in addition, the LD light source luminescent power that whole device exports is fixed, and the ratio of LED light source luminous power and LD light source luminescent power can regulate between 0.1 and 10.
For realizing analogue ranging echo and the interference echo of different capacity ratio, 1.06 μm of LD33 (laser diode) nude films and LED11 (light emitting diode) nude film are bonded on a carrier 14 with semiconductor mounting technology.Carrier 11 is as the cathode terminal of the PN junction of LD33 and LED11, and anode causes the Pin locations of carrier 11 by gold wire bonding; Secondly first carry out compression respectively by LD lenticule 9 and LED lenticule 12 pairs of light beams in LD33 and LED11 front to focus on, secondly by attenuation coefficient than being that the miniature attenuator 13 of the miniature attenuator of LD 10 of 1:10 and LED is decayed to the light that LD light source and LED light source send respectively.When LD light source is equal with LED light source luminous power, LD lenticule 9 and LED lenticule 12 export luminous power respectively than the mixing collimated light beam for 10:1.Lenticule and miniature attenuator are also fixed on carrier 11, jointly form a microminiature device having 3 pins to export with two kinds of light emitting semiconductor devices.
Human-computer interaction interface 7 is made up of keyboard 16 and liquid crystal module 15, connects with governor circuit 3, and setting also sends simulated range instruction and jamming pattern instruction to governor circuit 3, and obtains interference free performance detection data from governor circuit 3.
Governor circuit 3 can adopt " single-chip microcomputer+CPLD " or field programmable gate array (FPGA) chip and accessory circuit to overlap to form.Fpga chip internal logic circuit comprise the soft core 23 of CPU, bus 22 and by DAC(digital/analog converter) the FPGA internal module that forms of steering logic 24, LD pulse drive signal generator 27, LED pulse drive signal generator 26, GPIO module (universal input and output port) 18, lcd controller 17 and communication controler 20, FPGA internal module is all hung on bus 22, accepts the control of the soft core 23 of CPU.Wherein, DAC steering logic 24 connects DAC25 and realizes controlling it, and the analog voltage output terminal of DAC25 is connected to LED drive circuit 30, realizes the adjustment to LED luminous power by the supply voltage changing LED drive circuit 30; The output of LED pulse drive signal generator 26 connects LED driver 30, produces the interference echo of power adjustable.LD pulse drive signal generator 27 connects LD driver 28, produces analogue ranging echo.Meanwhile, LED pulse drive signal generator 26 is all connected with opto-electronic conversion and treatment circuit 2 with LD pulse drive signal generator 27, receives range finder using laser and launches the ranging burst of coming.Liquid crystal module 15 in human-computer interaction interface 7 and keyboard 16 are connected to lcd controller 17 and the GPIO module 18 of fpga chip inside respectively, the parameters such as the simulated range that detector user of service sets according to the displaying contents operation keyboard 16 in liquid crystal module 15, interference echo power and jamming pattern.Level shifting circuit 19 and communication controler 20 realize the communication between instrument and measured pulse range finder using laser jointly.High-precision crystal oscillator 32 provides clock for system, also provides the clock reference of the corresponding delay time of simulated range.FLASH memory 31 stores the executable code of FPGA configuration code and the soft core 23 of CPU simultaneously, after power module 29 powers up, first fpga chip completes the configuration of SOC (system on a chip), and secondly load executable code in the ram in slice 21 of fpga chip, CPU is soft, and namely core 23 bring into operation.According to parameters such as the simulated range of setting and interference echo power, control LD pulse drive signal generator 27 and LED pulse drive signal generator 26 produce corresponding analogue ranging echo and interference echo to the soft core 23 of CPU respectively.
Use this detector to carry out interference free performance detection to 1.06 μm of pulse laser range finder, mainly comprise following step:
1, simulated range is set by human-computer interaction interface 7;
2, select jamming pattern by human-computer interaction interface 7, comprise high-repetitive frequency, deviation cheats two kinds of patterns;
3, when selecting high-repetitive frequency pattern, interference echo frequency and interference echo power is selected also first to start the transmitting of interference echo by human-computer interaction interface 7; When selecting deviation cheating interference pattern, set deception offset distance and interference echo power by human-computer interaction interface 7;
4, the transmitting camera lens of measured pulse range finder using laser and reception camera lens are aimed at respectively receiving objective 1 and the transmitting objective lens 6 of instrument, and launch ranging burst;
If 5 instruments are pointed out by people's circle interactive interface 7 increase interference echo power further, then increase interference echo power; If under high-repetitive frequency pattern, interference echo frequency can also be increased;
6, step 4 is continued, until interference echo power or frequency reach maximal value.
In the process, if range finder using laser is successfully disturbed, then stop.Now the power ratio of analogue ranging echo and interference echo is as the interference free performance index under this jamming pattern.
Embodiment 2:
The detection method of the interference free performance of pulse laser range finder, comprises the steps:
First, detector of the present invention and measured pulse range finder using laser are carried out optical coupled, the transmitting camera lens of measured pulse range finder using laser aimed at by receiving objective 1 by the collimating optical system 8 in pulse laser range finder interference free performance intelligent detecting instrument, the transmitting objective lens of collimating optical system 8 aimed at the reception camera lens of measured pulse range finder using laser.
Secondly, open pulse laser range finder interference free performance intelligent detecting instrument power supply, the human-computer interaction interface 7 entered in pulse laser range finder interference free performance intelligent detecting instrument sets simulated range and selects jamming pattern, and is read by the governor circuit 3 in pulse laser range finder interference free performance intelligent detecting instrument and analyze.The soft core 23 of CPU in governor circuit 3 calculates the delay time of its correspondence according to the simulated range of setting and writes LD pulse drive signal generator 27.As selected high-repetitive frequency pattern, then input nonlinearities frequency and jamming power successively, the soft core 23 of CPU in governor circuit 3 changes the output voltage of DAC25 via DAC steering logic 24 according to jamming power, namely change the supply voltage of LED drive circuit 30 in combine analog light source 5; The soft core 23 of CPU in governor circuit by disturbing pulse cycle write LED pulse drive signal generator 26, makes it at once produce the disturbing pulse of corresponding frequencies according to interfering frequency.As selected deception deviation jamming pattern, then offset distance and jamming power are cheated in input successively, the soft core 23 of CPU in governor circuit changes the output voltage of DAC25 via DAC steering logic 24 according to jamming power, namely change the supply voltage of LED drive circuit 30 in combine analog light source 5; The soft core 23 of CPU in governor circuit calculates the delay time of interference echo according to the deception offset distance of setting, write LED pulse drive signal generator 26.
Finally, open measured pulse laser ranging electromechanical source and carry out range operation, the ranging burst signal that it sends is detected by the receiving objective 1 of collimating optical system 8, and sends to LD pulse drive signal generator 27 in governor circuit 1 and LED pulse drive signal generator 26 via the opto-electronic conversion in pulse laser range finder interference free performance intelligent detecting instrument and treatment circuit 2.This governor circuit 1 is according to after the simulated range time delay corresponding time of setting, combine analog light source 5 in light source driving circuit 4 driving pulse range finder using laser interference free performance intelligent detecting instrument in gating pulse range finder using laser interference free performance intelligent detecting instrument via the transmitting objective lens 6 of collimating optical system 8 to measured pulse range finder using laser emissive power than adjustable analogue ranging echo and interference echo, and using LD light beam as analogue ranging echo, with LED light Shu Zuowei interference echo.
Under high-repetitive frequency pattern, the transmitting of LED pulse drive signal does not rely on the ranging burst signal that measured laser range finder that opto-electronic conversion and treatment circuit 2 detect sends, and LD pulse drive signal generator 27 is after this signal being detected, carry out delay emission according to the LD driving circuit 28 pairs of analogue ranging echoes in delay time control combination analog light source 5 driving circuit 4 that the soft core 23 of CPU writes.
Under deviation cheating interference pattern, delay time control combination analog light source 5 driving circuit 4 pairs of analogue ranging echoes that LED pulse drive signal device and LD pulse signal generator write according to the soft core 23 of CPU after the ranging burst signal that the measured laser range finder that opto-electronic conversion and treatment circuit 2 detect sends being detected respectively and interference echo carry out delay emission.
The power of interference echo is progressively increased according to the prompting of human-computer interaction interface 7, regulate emissive power and the x time of interference echo, when governor circuit 1 judges that measured pulse range finder using laser correctly can not return the corresponding ranging information of delay time, record this moment corresponding power of analogue ranging echo and the power of interference echo, the ratio of the power of calculating simulation ranging echo and the power of interference echo is as the interference free performance parameter of measured pulse range finder using laser under high-repetitive frequency pattern or under deviation cheating interference pattern, and be presented on human-computer interaction interface 7.
First interference echo is launched with the power being less than analogue ranging echo, analogue ranging echo delay emission, progressively increase interference echo power, prompting is sent when instrument determines when measured pulse range finder using laser correctly can not return distance corresponding to delay time, now on human-computer interaction interface 7, the parameter of display is the interference free performance parameter of minus deviation jamming pattern, and this parameter is corresponding analogue ranging echo and the power ratio of interference echo.
First analogue ranging echo is launched, interference echo is to be greater than the power delay emission of analogue ranging echo, progressively increase interference echo power, prompting is sent when instrument determines when measured pulse range finder using laser correctly can not return distance corresponding to delay time, now on human-computer interaction interface 7, the parameter of display is the interference free performance parameter of minus deviation jamming pattern, and this parameter is corresponding analogue ranging echo and the power ratio of interference echo.
Interference echo is launched in Gao Zhongying mode always, progressively increase interference echo power, prompting is sent when instrument determines when measured pulse range finder using laser correctly can not return distance corresponding to delay time, now on human-computer interaction interface 7, the parameter of display is the interference free performance parameter of high-repetitive frequency pattern, and this parameter is corresponding analogue ranging echo and the power ratio of interference echo.
Claims (5)
1. a detection method for pulse laser range finder interference free performance, is characterized in that, uses following pulse laser range finder interference free performance intelligent detecting instrument, includes:
Collimating optical system, connect with combine analog light source and opto-electronic conversion and treatment circuit respectively, the analogue ranging echo sent for subtend measured pulse range finder using laser and interference echo and photoelectric coupling and collimation are carried out to the ranging burst signal sent by measured pulse range finder using laser;
Combine analog light source, connects with the transmitting objective lens of light source driving circuit and described collimating optical system respectively, under the control of described light source driving circuit, generates and sends analogue ranging echo and interference echo;
Opto-electronic conversion and treatment circuit, connect with the receiving objective of governor circuit and described collimating optical system respectively, and the ranging burst signal for sending measured pulse range finder using laser sends to described governor circuit after carrying out opto-electronic conversion and process;
Light source driving circuit, connects with described combine analog light source and governor circuit respectively, under the control of steering order that sends at described governor circuit, drives described combine analog light source to send analogue ranging echo and interference echo;
Governor circuit, connect with described light source driving circuit, described opto-electronic conversion and treatment circuit and human-computer interaction interface respectively, drive described combine analog light source to send the analogue ranging echo corresponding with steering order and interference echo for controlling described light source driving circuit, and calculate the interference free performance of measured pulse range finder using laser according to the ranging burst signal received; And
Human-computer interaction interface, connects with described governor circuit, for setting and to described governor circuit transmission simulated range instruction and jamming pattern selection instruction, and obtains interference free performance detection data from described governor circuit;
Above-mentioned detection method comprises the following steps:
A, the receiving objective of the collimating optical system in described pulse laser range finder interference free performance intelligent detecting instrument is aimed at the transmitting camera lens of measured pulse range finder using laser, the transmitting objective lens of described collimating optical system is aimed at the reception camera lens of measured pulse range finder using laser;
B, by human-computer interaction interface in described pulse laser range finder interference free performance intelligent detecting instrument setting simulated range with select jamming pattern, and read by the governor circuit in described pulse laser range finder interference free performance intelligent detecting instrument and analyze;
If c selects high-repetitive frequency pattern, selected frequency and the power of interference echo by described human-computer interaction interface; If select deviation cheating interference pattern, by described human-computer interaction interface setting offset distance and interference echo power;
D, ranging burst launched by operation measured pulse range finder using laser, described governor circuit is sent to after carrying out opto-electronic conversion and process by the opto-electronic conversion in described pulse laser range finder interference free performance intelligent detecting instrument and treatment circuit after described collimating optical system receives this ranging burst, described governor circuit according to setting simulated range after the time delay corresponding time, the light source driving circuit controlled in described pulse laser range finder interference free performance intelligent detecting instrument drive the combine analog light source in described pulse laser range finder interference free performance intelligent detecting instrument via the transmitting objective lens of described collimating optical system to measured pulse range finder using laser emissive power than adjustable analogue ranging echo and interference echo,
E, progressively increase the power of interference echo, by described governor circuit automatic decision measured pulse range finder using laser in when can not correctly return the ranging information corresponding with delay time, and automatically record the power of this moment corresponding analogue ranging echo and interference echo, by the ratio of the power of calculating simulation ranging echo with the power of interference echo, the interference free performance parameter of measured pulse range finder using laser under high-repetitive frequency pattern or under deviation cheating interference pattern can be drawn.
2. detection method according to claim 1, is characterized in that, described analogue ranging echo is LD light beam, and described interference echo is LED light bundle.
3. detection method according to claim 1, is characterized in that, interference echo is launched in Gao Zhongying mode always, and the testing result obtained is the interference free performance parameter under minus deviation high-repetitive frequency pattern.
4. detection method according to claim 1, it is characterized in that, under deception deviation jamming pattern, first emissive power is less than the interference echo of analogue ranging echo power, delay emission analogue ranging echo again, the testing result obtained is the interference free performance parameter under minus deviation jamming pattern.
5. detection method according to claim 1, it is characterized in that, under deception deviation jamming pattern, first launching simulation ranging echo, delay emission power is greater than the interference echo of analogue ranging echo power again, and the testing result obtained is the interference free performance parameter under overgauge jamming pattern.
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| CN105352531B (en) * | 2015-12-18 | 2018-02-13 | 深圳市众望达光电有限公司 | The detection method of the performance parameter of laser range finder |
| US10048358B2 (en) * | 2016-12-30 | 2018-08-14 | Panosense Inc. | Laser power calibration and correction |
| CN108919296A (en) * | 2018-05-15 | 2018-11-30 | 东北石油大学 | Anti- range gate deception safe ranging system and distance measuring method based on quantum techniques |
| CN116148807A (en) * | 2019-05-31 | 2023-05-23 | 深圳市速腾聚创科技有限公司 | Multi-pulse anti-interference signal processing method and device |
| CN112904354B (en) * | 2021-01-22 | 2024-06-18 | 西安应用光学研究所 | High-precision laser ranging distance simulation device |
| CN112946608A (en) * | 2021-01-29 | 2021-06-11 | 中国科学院半导体研究所 | Laser target simulator with background light simulation |
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| CN102595721A (en) * | 2012-02-03 | 2012-07-18 | 中国人民解放军总装备部军械技术研究所 | High-precision intelligent integrated driving power supply for semiconductor light-emitting device |
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