CN107192452A - A kind of muzzle flash spectrum characteristic measuring device based on high light spectrum image-forming technology - Google Patents
A kind of muzzle flash spectrum characteristic measuring device based on high light spectrum image-forming technology Download PDFInfo
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- CN107192452A CN107192452A CN201710388015.3A CN201710388015A CN107192452A CN 107192452 A CN107192452 A CN 107192452A CN 201710388015 A CN201710388015 A CN 201710388015A CN 107192452 A CN107192452 A CN 107192452A
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- muzzle flash
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- 238000001228 spectrum Methods 0.000 title claims abstract description 20
- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 230000003595 spectral effect Effects 0.000 claims abstract description 14
- 238000003384 imaging method Methods 0.000 claims abstract description 12
- 238000005070 sampling Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000000691 measurement method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 18
- 210000000038 chest Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
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- 238000004364 calculation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
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- 238000005057 refrigeration Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012546 transfer Methods 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/2823—Imaging spectrometer
Abstract
The invention discloses a kind of muzzle flash spectrum characteristic measuring device based on high light spectrum image-forming technology.This measurement apparatus includes camera lens, spectrometer, detector assembly subsystem, adjusting apparatus, master control system and display device.The position of front end imaging system is adjusted using adjusting apparatus, the linear field of spectrometer is directed at bore extension line, instantaneous field of view includes 35 times that muzzle flash of light or Flight Projectile, i.e. spatial sampling interval are flash of light size.Wherein, the detector uses shortwave, medium wave or LONG WAVE INFRARED high-speed area array detector, and detector frame frequency is more than 500Hz.The present invention can measure muzzle flash of light and Flight Projectile simultaneously in spectral characteristic not in the same time, more facilitate compared to traditional measurement method, efficiently.
Description
Technical field：
The present invention relates to a kind of infrared high spectrum imaging system, and in particular to one kind detection muzzle flash of light and Flight Projectile light
The infrared high spectrum imaging system of spectral property.
Background technology：
From 1990s, photodetection starts to be applied to anti-sniper hand pair as a kind of important military detection means
Anti- field.Quickly grow in recent ten years, U.S. for being on the forefront at present, Israel, countries such as France and Russia develop many
The Anti-sniper detection system of mechanism is planted, three classes are divided into by its working mechanism:Acoustic detection, infrared acquisition and laser acquisition.
Acoustic detection system has very big hysteresis quality on the response time, and due to detection principle restriction, acoustic detection system
System can not tell the position of multiple snipers simultaneously.Laser detection system is echo to be positioned by photodetector
, the very high-resolution imaging system of inevitable requirement when handling remote echo, this point is difficult often to accomplish, therefore,
The detection accuracy of laser acquisition is relatively low.In addition, laser detection system also cannot be distinguished by having and gun sight identical optical
The objects such as lens, the glass of matter.Comparatively speaking, IRDS has higher resolution ratio and very short response time
(substantially real-time response), detection range is remote, and positioning precision is high, by the way of passive detection, passively receiving, and works hidden
Cover, be difficult by electronic interferences.As Maryland, US laboratory " adder " detection system, by gazing type medium-wave infrared detector Lai
Muzzle flash of light is detected, target can be detected in sniper's shooting 70ms, detection probability is more than 95%, orientation, horizontal error essence
Degree be less than 0.2 degree, detectable 5.66,7.62 and 12.7mm bores sniper rifle.
The flashing light temperature that sniping gun shooting moment muzzle is produced reaches 1000-2200K, produces the infrared letter of high radiance
Number, and the Flight Projectile gone out after thorax can also produce infrared radiation signal due to Aerodynamic Heating.Therefore, infrared anti-sniper hand detection system
System is operated by detecting the infrared radiation signal of muzzle flash of light and Flight Projectile.Probe into muzzle flash of light and flight bullet
The favorable spectral characteristics of ball select optimal detecting band and matching frame frequency in detection system.Conventional detection muzzle flash spectrum is special
The method of property is tested by single-point spectrometer, but be due to the limitation of the angle of visual field, and this detection method can only small range
The spectral characteristic of muzzle flash of light is detected, can not then be detected for Flight Projectile.The radiation characteristic of Flight Projectile is mostly to pass through
Simulated experiment carries out simulation calculation, and the spectral characteristic of this kind of simulation calculation and true bullet all has certain error.
The present invention can measure the spectral characteristic of muzzle flash of light and Flight Projectile simultaneously based on high light spectrum image-forming technology, compare
More facilitate, efficiently in traditional measurement method.The measuring method of the present invention is applicable not only to sniping gun, applies also for all kinds of hands
Rifle, rifle and shell etc..
The content of the invention：
The present invention is intended to provide a kind of obtained muzzle flash of light using high light spectrum image-forming technology and go out thorax bullet Spectral Properties simultaneously
Property measurement apparatus, solve existing single-point spectrometer and be difficult to while obtaining muzzle flash of light and going out thorax bullet spectral characteristic and fly
The problem of row bullet spectral characteristic is difficult to measurement.
The technical solution adopted in the present invention is：A kind of muzzle flash spectrum feature measurement based on high light spectrum image-forming technology
Device, including camera lens 1, spectrometer 2, detector assembly subsystem 3, adjusting apparatus 4, master control system 5, storage and display device 6.
The camera lens 1 is shortwave, medium wave or LONG WAVE INFRARED camera lens；The spectrometer 2 is imaging spectrometer, and wave band sphere of action is 0.9-
12 μm, spectral resolution short-wave infrared is not less than 20nm, and medium-wave infrared is not less than 50nm, and LONG WAVE INFRARED is not less than 100nm；It is described
Detector assembly subsystem 3 includes detector and driving and Acquisition Circuit, and wherein detector uses shortwave, medium wave or LONG WAVE INFRARED
High frame frequency planar array detector, frame frequency is more than 500Hz, and driving uses high-speed low-noise circuit with Acquisition Circuit；The adjusting apparatus 4
It is four-dimensional displacement platform, is the translation of three dimensions and the regulation of pitch axis respectively, sensitivity is less than 3 μm, and load is more than 2.5Kg；
The master control system 5 is using single-chip microcomputer, DSP or fpga logic control chip；The storage is with display device 6 from equipped with a high speed
The PC or industrial computer of data-interface；
When system works, the infrared signal of muzzle flash of light and Flight Projectile is collected into spectrometer 2 by camera lens 1, by light
On the detector focal plane that detector assembly subsystem 3 is converged to after the light splitting of spectrometer 2.Adjusting apparatus 4 is used for adjusting front end imaging
The position of system, makes the linear field of spectrometer 2 be overlapped with bore extension line.The instantaneous field of view of spectrometer 2 comprising muzzle glisten or
Flight Projectile, i.e. spatial sampling interval are 3-5 times of flash of light size, and imaging mode is to obtain target by target motion
Multidate information.Driving and Acquisition Circuit driving detector work, analog signal is converted to by picture signal, acquired processing and
The image storage of master control system 5 is reached after A/D conversions.The Major Function of master control system 5 includes control detector assembly subsystem
System work, realizes that image is stored, data processing, completes image and exports to storage and display device 6.
It is an advantage of the invention that：
Compared to traditional measurement method, the present invention can measure muzzle flash of light simultaneously based on high light spectrum image-forming technology and fly
Bullet more facilitates, efficiently in spectral characteristic not in the same time.The measuring method of the present invention is applicable not only to sniping gun, also fits
For all kinds of pistols, rifle and shell etc..
Brief description of the drawings：
Fig. 1 present invention's obtains muzzle flash of light based on high light spectrum image-forming technology and goes out thorax bullet spectral characteristic general diagram.Its
In 1 be camera lens, 2 be spectrometer, and 3 be detector assembly subsystem, and 4 be adjusting apparatus, and 5 be master control system, and 6 be storage and display
Equipment.
Being obtained muzzle flash of light based on high light spectrum image-forming technology and gone out thorax bullet spectrum measurement method of Fig. 2 present invention is shown
It is intended to.
Embodiment：
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
The embodiment of invention, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to protection scope of the present invention.
The method schematic diagram that the system block diagram and accompanying drawing 2 shown according to accompanying drawing 1 of the present invention is shown, the present invention includes：
Camera lens 1：Strengthen optically focused from small F numbers camera lens, other specification resolution ratio and observed range needed for are chosen.This reality
The short-wave infrared camera lens S56-f/2.0 120601 that example selects Specim companies of Finland is applied, focal length 56mm, F number is 2.
Spectrometer 2：Using the imaging spectrometer of the self-produced prismatic decomposition mode of our unit, slit width is 30 μm, effect
0.4-2.5 μm of wave band, 11.476 degree of the angle of visual field, wherein to be divided into 60 wave bands (spectrally resolved for visible near-infrared wave band (0.4-1.1 μm)
Rate about 10nm), short infrared wave band (1.1-2.5 μm) is divided into 80 wave bands (spectral resolution about 20nm).
Detector assembly subsystem 3：From large charge gain planar array detector, observation performance is improved.The present embodiment is selected
500 × 256MCT short-wave infrared detectors of French Sofradir companies.Detector is read using two-way, is per road read-out speed
8Mpixels/s, the function for the choosing row reading that opened a window by using detector, chooses 10 rows and is read, highest frame frequency is
1500Hz.Driving includes bias supply, detector driving, collection of simulant signal and A/D conversions etc. with Acquisition Circuit.
Adjusting apparatus 4：From the axle position moving stage of TSMW-XYZT-1 (L) monoblock type five for Han Guang companies of standing upright, for realizing three
The translation of individual dimension and the regulation of pitch axis, sensitivity are 3 μm, load 2.5Kg.By the space bit for adjusting front end imaging system
Put so that the linear field alignment bore extension line of spectrometer.In the present embodiment, bullet is projected by sniping gun horizontal direction, spectrum
The linear field of instrument includes muzzle flash of light and the most of flight path of Flight Projectile, and rear end is refused beyond the Flight Projectile of field range
Measurement, as shown in Figure 2.
Master control system 5：The present embodiment selects the Spartan6 Series FPGAs of Xilinx companies.Master control system is carried to detector
For driving and gathering sequential, complete data storage and transmit image evidence to display device.
Storage and display device 6：From the PC equipped with high speed interface, industrial computer, data communication rates need to meet
The requirement of image output speed.Assume in this example that frame frequency 1500Hz, then most fast data rate is：500×10×16bit×1500Hz
=120Mbit/s, the data rate is realized using the high-speed PCI board NI6537 interfaces of NI companies.
Present invention additionally comprises power management, COMPUTER PARAMETER configuration software, data transfer of computer with showing the rings such as software
Section.In the present embodiment, input power is direct current 28V, and various pieces are supplied by DC-DC points, by master control system operational relay, control
The power on/off of various pieces processed.Parameter configuration software is realized on PC, is write using VC6.0, by RS422 communication interfaces by
PC is connected to master control system, is responsible for control detector, the switch of refrigeration machine.Acquisition software is write using LabView, and data are passed
Defeated interface is high-speed PCI interface.
Claims (1)
1. a kind of muzzle flash spectrum characteristic measuring device based on high light spectrum image-forming technology, including camera lens (1), spectrometer (2),
Detector assembly subsystem (3), adjusting apparatus (4), master control system (5), storage and display device (6), it is characterised in that:
The camera lens (1) is shortwave, medium wave or LONG WAVE INFRARED camera lens；
The spectrometer (2) is imaging spectrometer, and wave band sphere of action is 0.9-12 μm, and spectral resolution short-wave infrared is not less than
20nm, medium-wave infrared is not less than 50nm, and LONG WAVE INFRARED is not less than 100nm；
The detector assembly subsystem (3) includes detector and driving and Acquisition Circuit, and wherein detector uses shortwave, medium wave
Or the high frame frequency planar array detector of LONG WAVE INFRARED, frame frequency is more than 500Hz, and driving is with Acquisition Circuit using high-speed low-noise circuit；
The adjusting apparatus (4) is a four-dimensional displacement platform, possesses the translation of three dimensions and the regulation of pitch orientation, displacement spirit
Sensitivity is less than 3 μm, and load is more than 2.5Kg；
The master control system (5) is using single-chip microcomputer, DSP or fpga logic control chip；
The storage is with display device (6) from PC or industrial computer equipped with high speed interface；
When system works, the infrared signal of muzzle flash of light and Flight Projectile is collected into spectrometer (2) by camera lens (1), by light
Converged to after spectrometer (2) light splitting on the detector focal plane of detector assembly subsystem (3)；Adjusting apparatus (4) is used for before adjusting
The position of imaging system is held, the linear field of spectrometer (2) is overlapped with bore extension line；The instantaneous field of view of spectrometer (2) includes
Muzzle is glistened or Flight Projectile, i.e. spatial sampling interval are 3-5 times of flash of light size, and imaging mode is moved by target
To obtain the multidate information of target；Driving and Acquisition Circuit driving detector work, are converted to analog signal by picture signal, pass through
The image storage of master control system (5) is reached after acquisition process and A/D conversions；The Major Function of master control system (5) includes control
Detector assembly subsystem work, realizes that image is stored, data processing, completes image and exports to storage and display device (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710388015.3A CN107192452B (en) | 2017-05-27 | 2017-05-27 | A kind of muzzle flash spectrum characteristic measuring device based on high light spectrum image-forming technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710388015.3A CN107192452B (en) | 2017-05-27 | 2017-05-27 | A kind of muzzle flash spectrum characteristic measuring device based on high light spectrum image-forming technology |
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| CN107192452A true CN107192452A (en) | 2017-09-22 |
| CN107192452B CN107192452B (en) | 2018-10-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544958A (en) * | 2003-11-20 | 2004-11-10 | 中国科学院上海技术物理研究所 | Airborne broom pushing type wide viewing field high spectrum remote sensing imaging system |
| CN102520414A (en) * | 2011-11-18 | 2012-06-27 | 西安交通大学 | Laser active and infrared reactive compound detecting device |
| CN103615934A (en) * | 2013-11-29 | 2014-03-05 | 西安西光创威光电有限公司 | Anti-sniper detection system |
| CN104535186A (en) * | 2014-12-30 | 2015-04-22 | 华中科技大学 | Infrared spectrogram correlation detection system and method for mobile platform |
| CN206804158U (en) * | 2017-05-27 | 2017-12-26 | 中国科学院上海技术物理研究所 | Muzzle flash spectrum characteristic measuring device based on high light spectrum image-forming technology |
-
2017
- 2017-05-27 CN CN201710388015.3A patent/CN107192452B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544958A (en) * | 2003-11-20 | 2004-11-10 | 中国科学院上海技术物理研究所 | Airborne broom pushing type wide viewing field high spectrum remote sensing imaging system |
| CN102520414A (en) * | 2011-11-18 | 2012-06-27 | 西安交通大学 | Laser active and infrared reactive compound detecting device |
| CN103615934A (en) * | 2013-11-29 | 2014-03-05 | 西安西光创威光电有限公司 | Anti-sniper detection system |
| CN104535186A (en) * | 2014-12-30 | 2015-04-22 | 华中科技大学 | Infrared spectrogram correlation detection system and method for mobile platform |
| CN206804158U (en) * | 2017-05-27 | 2017-12-26 | 中国科学院上海技术物理研究所 | Muzzle flash spectrum characteristic measuring device based on high light spectrum image-forming technology |
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