CN109737813A - A kind of direct-injection type laser eyepiece simulation system - Google Patents
A kind of direct-injection type laser eyepiece simulation system Download PDFInfo
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- CN109737813A CN109737813A CN201910019059.8A CN201910019059A CN109737813A CN 109737813 A CN109737813 A CN 109737813A CN 201910019059 A CN201910019059 A CN 201910019059A CN 109737813 A CN109737813 A CN 109737813A
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Abstract
The present invention discloses a kind of direct-injection type laser eyepiece simulation system, comprising: pulse laser, output pulsed optical signals to laser alignment unit, and impulsive synchronization electric signal is exported to drive control unit；Simulation computer generates Simulation Control instruction according to emulation demand；Drive control unit is instructed according to impulsive synchronization electric signal and Simulation Control, drive control energy adjustment unit and spatial light modulator；Laser alignment unit collimates pulsed optical signals for collimated laser beam；Energy adjustment unit adjusts the energy of collimated laser beam to setting range under the control of drive control unit；Collimated laser beam after adjusting energy is shaped as the laser beam of the canonical form of setting by laser shaping unit；Spatial light modulator, by the laser beam modulation of the canonical form set as the optical signal containing angle position information under the control of drive control unit；It is emitted optical unit, the optical signal containing angle position information is emitted according to detector demand form.
Description
Technical field
The present invention relates to laser technology fields.More particularly, to a kind of direct-injection type laser eyepiece simulation system.
Background technique
Laser eyepiece simulation system is to provide the device of target information for semi-active laser guidance weapon performance verification.Laser
The detector of guided weapon will be converted to the position of target from simulated target information, and method for transformation is usually to be analyzed by detector
The optical energy and optical field distribution characteristic on bore are detected, the characteristics such as line of sight orientation and distance are calculated.Therefore laser
Target simulation main function of system is to carry out detecting the reconstruction of optical wave field on mouth face for the detector of laser guided weapon.
Current existing laser eyepiece simulation system is mainly that curtain is reflective and turntable gauche form.Curtain is reflective can be compared with
The information such as good reduction target energy, position, but need target range farther out when just there is higher simulation precision, to curtain ruler
Very little and laser energy has higher requirements, and cost is very high.And turntable gauche form be with two-axle rotating table realize target angular position simulation, though
Right structure is relatively simple but very high to Laser beam energy distribution characteristic requirements, especially due to entering after turntable deflects different angle
The variation of Energy distribution caused by angle change is penetrated, large error can be introduced to sight angular resolution, influence to simulate confidence level.
Accordingly, it is desirable to provide a kind of new direct-injection type laser eyepiece simulation system.
Summary of the invention
The purpose of the present invention is to provide a kind of direct-injection type laser eyepiece simulation systems, to solve of the existing technology ask
At least one of topic.
In order to achieve the above objectives, the present invention adopts the following technical solutions:
The present invention provides a kind of direct-injection type laser eyepiece simulation systems, comprising: pulse laser, laser alignment unit,
Energy adjustment unit, laser shaping unit, spatial light modulator, outgoing optical unit, drive control unit and simulation computer；
Pulse laser, for exporting pulsed optical signals to laser alignment unit, and when exporting stringent with pulsed optical signals
The synchronous impulsive synchronization electric signal of clock is to drive control unit；
Simulation computer, for generating Simulation Control instruction according to emulation demand；
Drive control unit, for being instructed according to impulsive synchronization electric signal and Simulation Control, drive control energy adjustment list
Member and spatial light modulator；
Laser alignment unit, for collimating pulsed optical signals for collimated laser beam；
Energy adjustment unit, for adjusting the energy of collimated laser beam under the control of drive control unit to setting model
It encloses；
Laser shaping unit, the laser of the canonical form for the collimated laser beam after adjusting energy to be shaped as to setting
Beam；
Spatial light modulator, under the control of drive control unit by the laser beam modulation of the canonical form set as
Optical signal containing angle position information；
It is emitted optical unit, the form outgoing for the detector demand according to laser guided weapon contains angle position information
Optical signal.
Preferably, the drive control unit, for being instructed according to impulsive synchronization electric signal and Simulation Control, driving energy
Adjust the Startup time of unit and spatial light modulator, the energy adjustment amplitude for controlling energy adjustment unit and control spatial light tune
The modulation strategy of device processed.
Preferably, the energy adjustment unit is Larger Dynamic range laser energy adjusting deice.
Preferably, the laser shaping unit swashs for the collimated laser beam after adjusting energy to be shaped as standard flat-top
Light beam.
Beneficial effects of the present invention are as follows:
Technical solution of the present invention is at low cost, simulation confidence level is high, emulation delay is small, and simulated performance is good and reliable,
It can be applied to the performance verification of a variety of laser guided weapons.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing；
Fig. 1 shows direct-injection type laser eyepiece simulation system provided in an embodiment of the present invention.
Fig. 2 shows direct-injection type laser eyepiece simulation system be detector carry out detection mouth face on laser eyepiece simulation show
It is intended to.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in Figure 1, the embodiment provides a kind of direct-injection type laser eyepiece simulation systems, comprising: pulse swashs
Light device, laser alignment unit, energy adjustment unit, laser shaping unit, spatial light modulator, outgoing optical unit, driving control
Unit and simulation computer processed.
Pulse laser provides pulsed optical signals for entire simulation system, for exporting pulsed optical signals to laser alignment list
Member, and the impulsive synchronization electric signal synchronous with pulsed optical signals stringent clock is exported to drive control unit.
Simulation computer, for generating Simulation Control instruction in real time according to default or externally input emulation demand, concurrently
It send to drive control unit, is run with drive system.Wherein, simulation computer can pass through a series of different spatial light modulators
And the drive control strategy for spatial light modulator, realize a series of different laser eyepiece analog forms.
Drive control unit, for receiving impulsive synchronization electric signal and Simulation Control instruction, according to impulsive synchronization electric signal
It is instructed with Simulation Control to set Timing driver control energy adjustment unit and spatial light modulator work, including driving energy tune
Save the Startup time of unit and spatial light modulator, the energy adjustment amplitude for controlling energy adjustment unit and control space light modulation
The modulation system of device, it is ensured that pulse laser export pulsed optical signals at the time of energy adjustment unit and spatial light modulator
Adjustment is in place, while shortening emulation delay as far as possible.
Laser alignment unit, the pulsed optical signals for issuing pulse laser collimate as collimated laser beam, will be parallel
Laser beam is exported to energy adjustment unit.Wherein, since laser is many kinds of, the laser form of outgoing is different, laser alignment
Unit can unify laser form, be exported with collimated laser beam, be uniformly processed convenient for subsequent optical device.
Energy adjustment unit adjusts collimated laser beam under the control of drive control unit for receiving collimated laser beam
Energy export to setting range, and by the collimated laser beam after energy is adjusted to laser shaping unit.Due to laser guidance force
The received energy variation of institute is huge when device changes with missile-target distance, therefore energy adjustment unit selects Larger Dynamic range laser energy
Regulating device.
Laser shaping unit, for receiving the collimated laser beam after adjusting energy, by the collimated laser beam after adjusting energy
After being shaped as the laser beam of the canonical form of setting, output to spatial light modulator.In some optional realizations of the present embodiment
In mode, the collimated laser beam after adjusting energy is shaped as standard flat-top laser beam by laser shaping unit, i.e. laser energy is
It is uniformly distributed form.
Spatial light modulator, the laser beam of the canonical form for receiving setting will under the control of drive control unit
The laser beam modulation of the canonical form set is exported as the optical signal containing information such as Angle Positions to outgoing optical unit.
It is emitted optical unit, for receiving the modulated optical signal containing information such as Angle Positions, according to laser guidance force
The form of the detector demand of device is emitted the optical signal containing information such as Angle Positions.Being emitted optical unit has adjustment laser beam defeated
Form out matches the function of detection optical system index.
Direct-injection type laser eyepiece simulation system provided in this embodiment has at low cost, simulation confidence level height, emulation delay
The advantages that small, simulated performance is good and reliable, can be applied to the performance verification of a variety of laser guided weapons.
Below with reference to Fig. 2, the working method for a kind of direct-injection type laser eyepiece simulation system of illustrating: as shown in Fig. 2, laser system
It leads weapon and generallys use 4 quadrant detector as target bearing locating module, therefore only need to simulate under specific condition respectively
Energy response on four quadrants can parse correct location information from four-quadrant.
According to optics mapping relations, there are corresponding relationships for pixel and the distribution of detector four-quadrant in spatial light modulator.
By the gray scale of each pixel in control spatial light modulator, and it is superimposed the distribution of shaping light beam, can realize four-quadrant on demand
Limit the Energy distribution simulation on detector.
It should be noted that in the description of the present invention, relational terms such as first and second and the like are used merely to
It distinguishes one entity or operation from another entity or operation, without necessarily requiring or implying these entities or behaviour
There are any actual relationship or orders between work.Moreover, the terms "include", "comprise" or its any other variant
It is intended to non-exclusive inclusion, so that including that the process, method, article or equipment of a series of elements not only includes
Those elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of person's equipment.In the absence of more restrictions, the element limited by sentence "including a ...", not
There is also other identical elements in the process, method, article or apparatus that includes the element for exclusion.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention for those of ordinary skill in the art on the basis of the above description can be with
It makes other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to the present invention
The obvious changes or variations extended out of technical solution still in the scope of protection of the present invention.
Claims (4)
1. a kind of direct-injection type laser eyepiece simulation system characterized by comprising pulse laser, laser alignment unit, energy
Adjust unit, laser shaping unit, spatial light modulator, outgoing optical unit, drive control unit and simulation computer；
Pulse laser for exporting pulsed optical signals to laser alignment unit, and exports synchronous with pulsed optical signals clock
Impulsive synchronization electric signal is to drive control unit；
Simulation computer, for generating Simulation Control instruction according to emulation demand；
Drive control unit, for being instructed according to impulsive synchronization electric signal and Simulation Control, drive control energy adjustment unit and
Spatial light modulator；
Laser alignment unit, for collimating pulsed optical signals for collimated laser beam；
Energy adjustment unit, for adjusting the energy of collimated laser beam under the control of drive control unit to setting range；
Laser shaping unit, the laser beam of the canonical form for the collimated laser beam after adjusting energy to be shaped as to setting；
Spatial light modulator, under the control of drive control unit by the laser beam modulation of the canonical form set as containing
The optical signal of angle position information；
It is emitted optical unit, the form for the detector demand according to laser guided weapon is emitted the light containing angle position information
Signal.
2. system according to claim 1, which is characterized in that the drive control unit, for according to impulsive synchronization electricity
Signal and Simulation Control instruction, driving energy adjust the Startup time of unit and spatial light modulator, control energy adjustment unit
Energy adjustment amplitude and control spatial light modulator modulation strategy.
3. system according to claim 1, which is characterized in that the energy adjustment unit is Larger Dynamic range laser energy
Regulating device.
4. system according to claim 1, which is characterized in that the laser shaping unit, for it will adjust energy after
Collimated laser beam is shaped as standard flat-top laser beam.
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| CN201910019059.8A CN109737813B (en) | 2019-01-09 | 2019-01-09 | Direct-injection type laser target simulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910019059.8A CN109737813B (en) | 2019-01-09 | 2019-01-09 | Direct-injection type laser target simulation system |
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| CN109737813A true CN109737813A (en) | 2019-05-10 |
| CN109737813B CN109737813B (en) | 2020-12-18 |
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| US4021662A (en) * | 1975-07-09 | 1977-05-03 | The United States Of America As Represented By The Secretary Of The Air Force | Laser target simulator |
| CN1554932A (en) * | 2003-12-26 | 2004-12-15 | 清华大学 | Laser target simulator |
| CN101246651A (en) * | 2008-01-31 | 2008-08-20 | 杭州普维光电技术有限公司 | Dynamic objective radiation characteristic simulating system |
| RU2586465C1 (en) * | 2014-12-29 | 2016-06-10 | Акционерное общество "Государственный Рязанский приборный завод" | Method of laser simulation of firing |
| CN206311010U (en) * | 2016-12-02 | 2017-07-07 | 中国人民解放军空军第一航空学院 | New type rotary formula laser eyepiece analogue means |
| CN107305111A (en) * | 2016-04-25 | 2017-10-31 | 长春理工大学 | A kind of IR point source target simulator |
| CN207096565U (en) * | 2017-07-21 | 2018-03-13 | 西安标量光电科技有限责任公司 | A kind of target simulator |
| CN108387907A (en) * | 2018-01-15 | 2018-08-10 | 上海机电工程研究所 | Flash-mode laser radar echo signal physical image simulation system and method |
-
2019
- 2019-01-09 CN CN201910019059.8A patent/CN109737813B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021662A (en) * | 1975-07-09 | 1977-05-03 | The United States Of America As Represented By The Secretary Of The Air Force | Laser target simulator |
| CN1554932A (en) * | 2003-12-26 | 2004-12-15 | 清华大学 | Laser target simulator |
| CN101246651A (en) * | 2008-01-31 | 2008-08-20 | 杭州普维光电技术有限公司 | Dynamic objective radiation characteristic simulating system |
| RU2586465C1 (en) * | 2014-12-29 | 2016-06-10 | Акционерное общество "Государственный Рязанский приборный завод" | Method of laser simulation of firing |
| CN107305111A (en) * | 2016-04-25 | 2017-10-31 | 长春理工大学 | A kind of IR point source target simulator |
| CN206311010U (en) * | 2016-12-02 | 2017-07-07 | 中国人民解放军空军第一航空学院 | New type rotary formula laser eyepiece analogue means |
| CN207096565U (en) * | 2017-07-21 | 2018-03-13 | 西安标量光电科技有限责任公司 | A kind of target simulator |
| CN108387907A (en) * | 2018-01-15 | 2018-08-10 | 上海机电工程研究所 | Flash-mode laser radar echo signal physical image simulation system and method |
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| CN109737813B (en) | 2020-12-18 |
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