CN110274698A - A kind of device for detecting performance of repetition coded pulse laser - Google Patents
A kind of device for detecting performance of repetition coded pulse laser Download PDFInfo
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- CN110274698A CN110274698A CN201910620331.8A CN201910620331A CN110274698A CN 110274698 A CN110274698 A CN 110274698A CN 201910620331 A CN201910620331 A CN 201910620331A CN 110274698 A CN110274698 A CN 110274698A
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- pulse laser
- detecting performance
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- repetition coded
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- 238000004891 communication Methods 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims description 19
- 230000003993 interaction Effects 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005622 photoelectricity Effects 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J11/00—Measuring the characteristics of individual optical pulses or of optical pulse trains
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
Abstract
The invention discloses a kind of device for detecting performance of repetition coded pulse laser, including laser target designator, and the device for detecting performance connecting with laser target designator；The device for detecting performance is made of pulse laser acquisition front end, main control unit and outer computer；Described pulse laser acquisition its output end of front end is electrically connected with main control unit；The main control unit and outer computer communication connection；The device for detecting performance of repetition coded pulse laser of the invention, can real-time detection laser target designator transmitting, and it is not required to the structure of transformation laser target designator, equipment is nor affected on to work normally, as long as the present apparatus is connect with laser target designator, installation is simple and convenient to operate quick.
Description
Technical field
The present invention relates to a kind of device for detecting performance of repetition coded pulse laser, belong to laser measurement technology field.
Background technique
In modern war, precision guided weapon is rapidly developed, and wherein Laser End Guidance weapon system is in Ground Artillery, airborne
It is rapidly developed in platform；In Laser End Guidance weapon system, laser target designator emits the laser of high energy repetition coding
Pulse train irradiates unfriendly target, and (fried) the bullet target seeker of laser guidance big gun captures echo, controls bullet according to certain guidance laws
Ball target；In entire weapon system, laser target designator is vital pass as the signal source for guiding target
Key member, the performance indicator of emitted laser whether meet service requirement be determine shell accuracy at target it is main because
The main foundation of element and analytic guidance effect.
Currently, common laser activity detection method is that photodetector is direct in Laser End Guidance weapon system
The right opposite of emitted laser is placed on to receive laser signal, is surveyed using the method for high-speed oscilloscope Synchronous waveform
Examination；This method has blocked the transmission channel of repetition coded pulse laser, can only in a non-operative state to the encoding precision of laser,
The parameters such as pulse energy carry out check-up, cannot achieve under the conditions of actual combat to the real-time of repetition coded pulse laser performance parameters
Monitoring, therefore be also difficult to find that the pulse energy decline of laser target designator shoot laser, pulse missing, encoding precision are super
The problems such as poor, while also all information of the coded laser light issued every time are completely stored and being remembered without corresponding technological means
Record is got off, and brings a series of problems to the guidance effect of analysis Laser End Guidance system.
Summary of the invention
To solve the above problems, the invention proposes a kind of device for detecting performance of repetition coded pulse laser, Neng Goushi
When detection laser target designator transmitting laser activity, and be not required to transformation laser target designator structure, nor affect on dress
Standby to work normally, installation is simple and convenient to operate quick.
The device for detecting performance of repetition coded pulse laser of the invention, including laser target designator, and with laser mesh
Mark the device for detecting performance of indicator connection；The device for detecting performance is by pulse laser acquisition front end, main control unit and outside
Computer composition；Described pulse laser acquisition its output end of front end is electrically connected with main control unit；The main control unit and external meter
Calculation machine communication connection, pulse laser acquisition front end are mainly used for receiving repetition coded pulse of the acquisition from laser target designator
Laser, and after a series of processing such as filtered to laser signal collected, assemble, amplify, demodulating, detect each laser
The beginning and end signal of pulse, then send the characteristic information of each pulse laser to main control unit；Main control unit mainly by
Digital sampling and processing, data memory module and human-computer interaction module composition, when main control unit and pulse laser acquire front end
When connection, the pulse laser characteristic information of front end receiver can be acquired according to pulse laser, detects that laser target designator is sent out
The parameters such as pulse number, pulse spacing, pulse frequency, frequency accuracy, period, the period precision penetrated；Outer computer is mainly used
In storing or showing measurement data, for subsequent data analysis and check；
Pulse laser acquisition front end includes the poly- lens subassembly that filters, and be installed on rear side of the poly- lens subassembly that filters
Photodetector, and the signal processing circuit being electrically connected with photodetector, when laser target designator is in running order, hair
Repetition coded laser light pulse is penetrated, will receive the influence of atmospheric scattering when transmitting in an atmosphere；The acquisition of coded pulse laser signal
It is namely based on the scattering effect that laser pulse transmits in an atmosphere, by pulse laser acquisition front end assembly in shoot laser pulse
Laterally, the faint scattered signal of repetition coded laser light pulse is acquired；The laser pulse of the laser target designator is dissipated by atmosphere
After penetrating, scattered signal is through filtering on poly- lens subassembly post-concentration to photodetector；
It includes optical filter, convergent lens, photodetector, amplifier and demodulator that pulse laser, which acquires front end,；Laser mesh
The laser pulse of indicator transmitting is marked after by atmospheric scattering, scattered signal is visited through optical filter and convergent lens post-concentration to photoelectricity
It surveys on the photosurface of device, after then carrying out a series of processing such as amplification, denoising, the shaping of small-signal, detects each laser
Then the beginning and end signal of pulse send each pulse laser characteristic information to main control unit；Wherein, optical filter is to laser
1.064 μm of laser that target-designator issues have high-transmission rate, can filter out the stray light outside 1.064 mu m waveband ranges；Photoelectricity is visited
It surveys device and uses GT101 type silicon detector, peak response wavelength region can cover 1.064 μm of repetition coded laser light pulse, ring
Should rate be 0.45/ μ W, i.e., it is every input 1 μ W return laser beam, the photoelectric current of 0.45 μ A will be generated；
The main control unit is made of single-chip microcontroller, digital sampling and processing, data memory module and human-computer interaction module,
And digital sampling and processing, data memory module and human-computer interaction module respectively with monolithic mechatronics；The data acquisition
Processing module includes counter and time interval measuring device；The counter is electrically connected with time interval measuring device；The time
Measuring space device is electrically connected with single-chip microcontroller and data memory module respectively；The data memory module includes memory；It is described to deposit
Reservoir and monolithic mechatronics；The human-computer interaction module includes keyboard and display module and communication interface circuit；The keyboard
With display module and communication interface circuit respectively with monolithic mechatronics；The communication interface circuit is through communication cable and external meter
The connection of calculation machine, counter are completed using common counter chip 54LS393, and time interval measuring device is patrolled using CPLD is programmable
It collects device EPM7128 to complete, three-stage cascade step-by-step counting is written in inside programming, counts after dividing high-frequency clock pulse in inside
Number realizes the time measurement in pulse spacing, counts and the time interval data of measurement gives memory storage, main control unit is by list
Piece machine realizes the control of complete machine sequential logic, manages external keyboard and display module and communication interface circuit.
Further, pulse laser acquisition front end is assemblied in the laser emitting channel bottom end of laser target designator；
The pulse laser acquisition front end is electrically connected by connecting cable with the counter of main control unit.
Further, the laser target designator is electrically connected with battery pack, and battery pack passes through feed cable and master control
Unit electrical connection.
Further, the main control unit passes through communication cable and outer computer communication connection.
Further, the poly- lens subassembly that filters is made of optical filter and convergent lens；The laser target designator
Laser pulse after by atmospheric scattering, scattered signal is through optical filter and convergent lens post-concentration to its photosurface of photodetector
On.
As preferred embodiment, the photodetector is GT101 type silicon detector, peak response wavelength region
The repetition coded laser light pulse of 1.064 μm of covering, response rate are 0.45/ μ W.
Further, the signal processing circuit includes amplifier and demodulator.
Still further, the amplifier is dual-stage amplifier, it can by high frequency, the preamplifier of low noise and gain
The video amplifier of control forms.
Further, the counter is counter chip 54LS393.
Further, the time interval measuring device is CPLD programmable logic device EPM7128.
The present invention compared with prior art, the device for detecting performance of repetition coded pulse laser of the invention, laser mesh
Indicator transmitting coded laser light pulse is marked to be converted to electric signal after pulse laser acquires front end receiver to laser pulse signal, send
To the counter and time interval measuring device of main control unit；It is capable of the laser activity of real-time detection laser target designator transmitting,
And it is not required to the structure of transformation laser target designator, it nor affects on equipment and works normally, as long as the present apparatus and laser eyepiece are referred to
Show that device connects, installation is simple and convenient to operate quick.
Detailed description of the invention
Fig. 1 is overall structure schematic block diagram of the invention.
Fig. 2 is pulse laser acquisition front-end architecture schematic diagram of the invention.
Fig. 3 is the structural schematic block diagram of main control unit of the invention.
Fig. 4 is that the connection structure of the device for detecting performance laser target designator of repetition coded pulse laser of the invention is shown
Meaning block diagram.
Each component mark in attached drawing are as follows: 1- laser target designator, 2- pulse laser acquire front end, 3- main control unit, 4-
Outer computer, the poly- lens subassembly of 5- optical filtering, 51- optical filter, 52- convergent lens, 6- photodetector, 7- signal processing electricity
Road, 71- amplifier, 72- demodulator, 8- single-chip microcontroller, 9- digital sampling and processing, 91- counter, 92- time interval determination
Device, 10- data memory module, 101- memory, 11- human-computer interaction module, 111- keyboard and display module, 112- communication interface
Circuit, 12- battery pack, 13- communication cable, 14- connecting cable, 15- feed cable.
Specific embodiment
The device for detecting performance of repetition coded pulse laser as shown in Figures 1 to 4, including laser target designator 1, and
The device for detecting performance being connect with laser target designator 1；The device for detecting performance acquires front end 2, master control by pulse laser
Unit 3 and outer computer 4 form；Described pulse laser acquisition its output end of front end 2 is electrically connected with main control unit 3；The master
Control unit 3 and 4 communication connection of outer computer；
Pulse laser acquisition front end 2 includes the poly- lens subassembly 5 that filters, and be installed on and filter poly- lens subassembly 5 after
The photodetector 6 of side, and the signal processing circuit 7 being electrically connected with photodetector 6；The laser target designator 1 swashs
Light pulse is after by atmospheric scattering, and scattered signal is through filtering on poly- lens subassembly 5 post-concentration to photodetector 6；
The main control unit 3 is by single-chip microcontroller 8, digital sampling and processing 9, data memory module 10 and human-computer interaction module
11 compositions, and digital sampling and processing 9, data memory module 10 and human-computer interaction module 11 are electrically connected with single-chip microcontroller 8 respectively；
The digital sampling and processing 9 includes counter 91 and time interval measuring device 92；The counter 91 and when
Between measuring space device 92 be electrically connected；The time interval measuring device 92 is electrically connected with single-chip microcontroller 8 and data memory module 10 respectively；
The data memory module 10 includes memory 101；The memory is electrically connected with single-chip microcontroller 8；
The human-computer interaction module 11 includes keyboard and display module 111 and communication interface circuit 112；The keyboard and aobvious
Show that module 111 and communication interface circuit 112 are electrically connected with single-chip microcontroller 8 respectively；The communication interface circuit 112 is through communication cable 13
It is connect with outer computer 4.
Pulse laser acquisition front end 2 is assemblied in the laser emitting channel bottom end of laser target designator 1；The pulse
Laser acquisition front end 2 is electrically connected by connecting cable 14 with the counter of main control unit 3.
The laser target designator 1 is electrically connected with battery pack 12, and battery pack 12 passes through feed cable 15 and master control list
Member 3 is electrically connected.
The main control unit 3 passes through communication cable 13 and 4 communication connection of outer computer.
The poly- lens subassembly 5 that filters is made of optical filter 51 and convergent lens 52；The laser target designator 1 swashs
Light pulse is after by atmospheric scattering, and to photodetector 6, its is photosensitive through optical filter 51 and 52 post-concentration of convergent lens for scattered signal
On face.
The photodetector 6 is GT101 type silicon detector, and peak response wavelength region covers 1.064 μm of repetition
Coded laser light pulse, response rate are 0.45/ μ W.
The signal processing circuit 7 includes amplifier 71 and demodulator 72.
The amplifier 71 is dual-stage amplifier, by high frequency, the video of the preamplifier of low noise and gain controllable
Amplifier composition.
The counter 91 is counter chip 54LS393.
The time interval measuring device 92 is CPLD programmable logic device EPM7128.
The device for detecting performance of repetition coded pulse laser of the invention, when assembling, to repetition coded laser light pulse
Before performance is detected, impulse light collection of feeling the pulse first front end is assemblied in the laser emitting channel bottom end of laser target designator,
It is connected with the counter in main control unit by cable, battery pack is responsible for supplying to laser target designator and main control unit
Electricity, outer computer are connected by communication cable with the communication interface circuit of main control unit；
When work, laser target designator emits coded laser light pulse, and pulse laser acquires front end receiver to laser pulse
After signal, electric signal is converted to, gives the counter and time interval measuring device of main control unit；Wherein, counter is to input
Laser pulse and exposure period are counted, and time interval measuring device is measured the time interval of coded laser light pulse, and
Count results and time interval determination data are transferred to memory, single-chip microcontroller controls the working sequence of main control unit complete machine,
Keyboard and display module instant playback of the data of memory inside by main control unit, or the data measured are passed through communication
Cable transmission is stored into outer computer, for subsequent analysis and inspection.
Above-described embodiment is only better embodiment of the invention, therefore all according to structure described in present patent application range
It makes, the equivalent change or modification that feature and principle are done, is included in the scope of the patent application of the present invention.
Claims (10)
1. a kind of device for detecting performance of repetition coded pulse laser, including laser target designator, and indicated with laser eyepiece
The device for detecting performance of device connection；It is characterized by: the device for detecting performance by pulse laser acquisition front end, main control unit and
Outer computer composition；Described pulse laser acquisition its output end of front end is electrically connected with main control unit；The main control unit and outer
The connection of portion's computer communication；
Pulse laser acquisition front end includes the poly- lens subassembly that filters, and with the photoelectricity that is installed on rear side of the poly- lens subassembly that filters
Detector, and the signal processing circuit being electrically connected with photodetector；The laser pulse of the laser target designator is by atmosphere
After scattering, scattered signal is through filtering on poly- lens subassembly post-concentration to photodetector；
The main control unit is made of single-chip microcontroller, digital sampling and processing, data memory module and human-computer interaction module, and number
According to acquisition processing module, data memory module and human-computer interaction module respectively with monolithic mechatronics；
The digital sampling and processing includes counter and time interval measuring device；The counter and time interval measuring device
Electrical connection；The time interval measuring device is electrically connected with single-chip microcontroller and data memory module respectively；
The data memory module includes memory；The memory and monolithic mechatronics；
The human-computer interaction module includes keyboard and display module and communication interface circuit；The keyboard and display module and communication
Interface circuit respectively with monolithic mechatronics；The communication interface circuit is connect through communication cable with outer computer.
2. the device for detecting performance of repetition coded pulse laser according to claim 1, it is characterised in that: the pulse swashs
Light collection front end is assemblied in the laser emitting channel bottom end of laser target designator；Pulse laser acquisition front end passes through connection
Cable is electrically connected with the counter of main control unit.
3. the device for detecting performance of repetition coded pulse laser according to claim 1, it is characterised in that: the laser mesh
Mark indicator is electrically connected with battery pack, and battery pack is electrically connected by feed cable with main control unit.
4. the device for detecting performance of repetition coded pulse laser according to claim 1, it is characterised in that: the master control list
Member passes through communication cable and outer computer communication connection.
5. the device for detecting performance of repetition coded pulse laser according to claim 1, it is characterised in that: described filter is gathered
Lens subassembly is made of optical filter and convergent lens；The laser pulse of the laser target designator dissipates after by atmospheric scattering
Signal is penetrated through on optical filter and convergent lens post-concentration to its photosurface of photodetector.
6. the device for detecting performance of repetition coded pulse laser according to claim 1, it is characterised in that: the photoelectricity is visited
Survey device is GT101 type silicon detector, and peak response wavelength region covers 1.064 μm of repetition coded laser light pulse, response rate
For 0.45/ μ W.
7. the device for detecting performance of repetition coded pulse laser according to claim 1, it is characterised in that: at the signal
Managing circuit includes amplifier and demodulator.
8. the device for detecting performance of repetition coded pulse laser according to claim 7, it is characterised in that: the amplifier
For dual-stage amplifier, it is made of the video amplifier of high frequency, the preamplifier of low noise and gain controllable.
9. the device for detecting performance of repetition coded pulse laser according to claim 1, it is characterised in that: the counter
For counter chip 54LS393.
10. the device for detecting performance of repetition coded pulse laser according to claim 1, it is characterised in that: the time
Measuring space device is CPLD programmable logic device EPM7128.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910620331.8A CN110274698B (en) | 2019-07-10 | 2019-07-10 | Performance detection device for repetition frequency coding pulse laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910620331.8A CN110274698B (en) | 2019-07-10 | 2019-07-10 | Performance detection device for repetition frequency coding pulse laser |
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| CN110274698B CN110274698B (en) | 2024-01-19 |
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Citations (8)
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|---|---|---|---|---|
| FR2654839A1 (en) * | 1989-11-21 | 1991-05-24 | Curie Paris 6 Univ Pierre Mari | Apparatus for studying the stratosphere by laser sounding |
| JPH0943064A (en) * | 1995-05-23 | 1997-02-14 | Advantest Corp | Optic sampler module and sampling waveform measuring apparatus using the same |
| JPH11142252A (en) * | 1997-11-13 | 1999-05-28 | Advantest Corp | Measuring apparatus for sampled waveform using optical sampler module |
| CN202433099U (en) * | 2011-12-30 | 2012-09-12 | 中国人民解放军南京炮兵学院 | Laser parameter detector |
| CN105092208A (en) * | 2014-05-13 | 2015-11-25 | 中国人民解放军军械工程学院 | Lateral laser pulse synchronous detection apparatus |
| CN107907885A (en) * | 2017-09-28 | 2018-04-13 | 北京华航无线电测量研究所 | A kind of Underwater Target Detection device based on single-photon counting method |
| CN108415028A (en) * | 2018-03-16 | 2018-08-17 | 深圳市砝石激光雷达有限公司 | The encrypted laser ranging system of pulse parameter and method |
| CN210119298U (en) * | 2019-07-10 | 2020-02-28 | 中国人民解放军陆军工程大学 | Performance detection device of repetition frequency coding pulse laser |
-
2019
- 2019-07-10 CN CN201910620331.8A patent/CN110274698B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2654839A1 (en) * | 1989-11-21 | 1991-05-24 | Curie Paris 6 Univ Pierre Mari | Apparatus for studying the stratosphere by laser sounding |
| JPH0943064A (en) * | 1995-05-23 | 1997-02-14 | Advantest Corp | Optic sampler module and sampling waveform measuring apparatus using the same |
| JPH11142252A (en) * | 1997-11-13 | 1999-05-28 | Advantest Corp | Measuring apparatus for sampled waveform using optical sampler module |
| CN202433099U (en) * | 2011-12-30 | 2012-09-12 | 中国人民解放军南京炮兵学院 | Laser parameter detector |
| CN105092208A (en) * | 2014-05-13 | 2015-11-25 | 中国人民解放军军械工程学院 | Lateral laser pulse synchronous detection apparatus |
| CN107907885A (en) * | 2017-09-28 | 2018-04-13 | 北京华航无线电测量研究所 | A kind of Underwater Target Detection device based on single-photon counting method |
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| CN210119298U (en) * | 2019-07-10 | 2020-02-28 | 中国人民解放军陆军工程大学 | Performance detection device of repetition frequency coding pulse laser |
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