CN108072295A - A kind of interference free performance detection device, the method and system of laser guidance equipment - Google Patents
A kind of interference free performance detection device, the method and system of laser guidance equipment Download PDFInfo
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- CN108072295A CN108072295A CN201711274808.9A CN201711274808A CN108072295A CN 108072295 A CN108072295 A CN 108072295A CN 201711274808 A CN201711274808 A CN 201711274808A CN 108072295 A CN108072295 A CN 108072295A
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- target seeker
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/32—Devices for testing or checking
Abstract
The invention discloses a kind of interference free performance detection device, the method and system of laser guidance equipment.In the device, interference light field generation system includes light-beam generator, propagation in atmosphere simulator, beam converter and light beam projecting system；Propagation in atmosphere simulator includes polarizer, the first spatial light modulator and second space optical modulator；Propagation in atmosphere simulator is arranged on the output light path of light-beam generator；Beam converter is arranged on the output light path of propagation in atmosphere simulator；Light beam projecting system is arranged on the output light path of beam converter；Diffusing reflection plate is arranged on the projecting light path of light beam projecting system；Target seeker test system is arranged on the reflected light path of diffusing reflection plate；Man-machine interactive system is connected respectively with interference light field generation system and target seeker test system.The present invention can be at the scene to IFR conditions progress real-time online simulation, the interference that comprehensive analysis Laser Atmospheric Transmission introduces in the process, improves the accuracy of detection of interference free performance.
Description
Technical field
The present invention relates to laser guidance equipment simulating detection technique field, more particularly to a kind of the anti-of laser guidance equipment
Jamming performance detection device, method and system.
Background technology
The interference free performance quality of laser guidance equipment directly determines the precision to strike target, so having to laser system
The interference free performance for leading equipment carries out comprehensive and accurate assessment, and laser guided weapon could be instructed after only carrying out accurate evaluation
Design typification and the maintenance and maintenance in later stage, therefore the interference free performance of accurate evaluation laser guidance equipment is for ensuring laser
The guidance performance of guidance unit has great importance.
There are mainly three types of the interference free performance detection methods of laser guidance equipment, when outfield measurement method, second is that digital
Simulation method, third, HWIL simulation method, wherein HWIL simulation method combine the advantage of first two detection method, substantial amounts of quilt
Domestic and international research institution is used.
HWIL simulation method refers to the target seeker of equipment under test being introduced into emulation circuit, by simulating various interference means
To test the reality output of target seeker as a result, and according to assessment of the reality output result to target seeker progress interference free performance.
Has the semi-matter simulating system that some domestic and international research institutions have developed laser guidance equipment at present, as what certain institute developed swashs
Light semiactive guidance weapon semi-matter simulating system and the HWIL simulation at US Army missile command post advanced simulation center
System.But domestic and international developed semi-matter simulating system often only supports the test of various active interference means at present, neglects
The interference introduced during Laser Atmospheric Transmission is omited.
The transmission of laser is affected by atmospheric condition, particularly pneumatic during atmospheric turbulance and missile flight
Under the influence of optical effect, phenomena such as energy jitter and hot spot flicker, the guidance of strong influence guided missile can occur for laser facula
Precision.
Based on the above problem, how to improve the accuracy of detection of the interference free performance of laser guidance equipment becomes this field urgently
It solves the problems, such as.
The content of the invention
Based on this, it is necessary to a kind of interference free performance detection device, the method and system of laser guidance equipment are provided, it is comprehensive
The interference introduced in the transmission process of laser in an atmosphere is considered, to improve interference free performance accuracy of detection.
To achieve the above object, the present invention provides following schemes：
A kind of interference free performance detection device of laser guidance equipment, including：Disturb light field generation system, diffusing reflection plate,
Target seeker tests system and man-machine interactive system；
The interference light field generation system includes light-beam generator, propagation in atmosphere simulator, beam converter and light beam and throws
Shadow system, the propagation in atmosphere simulator include polarizer, the first spatial light modulator and second space optical modulator；The light
Beam generator is used to generate laser beam；The polarizer, first spatial light modulator and the second space light modulation
Device is successively set on the output light path of the light-beam generator, and the propagation in atmosphere simulator is used to simulate DIFFERENT METEOROLOGICAL CONDITIONS
Under laser transmission channel, and the laser beam is handled using the passage；The beam converter is arranged on institute
On the output light path for stating second space optical modulator, for changing according to the orientation, speed and guidance range of guided missile through described big
The size of gas transmission simulator treated laser beam；The light beam projecting system is arranged on the output of the beam converter
In light path, for by the beam converter, treated that laser beam projects the diffusing reflection plate；
The diffusing reflection plate is arranged on the projecting light path of the light beam projecting system, for will be through the light beam projecting system
The laser beam of system projection is reflected into the target seeker test system；
The target seeker test system is arranged on the reflected light path of the diffusing reflection plate, for according to the diffusing reflection plate
The laser beam of reflection generates amount of deflection；
The man-machine interactive system is connected respectively with the interference light field generation system and target seeker test system, is used
System is generated in the control interference light field, and the interference free performance of the laser guidance equipment is determined according to the amount of deflection.
Optionally, the light beam projecting system is specially the 3rd spatial light modulator.
Optionally, the light-beam generator specifically includes first laser diode, second laser diode, the first beam splitter
And beam spread collimation optical system；
For generating laser guidance light beam, the second laser diode indicates the first laser diode for generating
Laser beam, first beam splitter are arranged on the light beam that the first laser diode and the second laser diode generate
Convergent point at, for by the laser guidance light beam and it is described instruction laser beam close beam, the beam spread collimation optical system
It is arranged on the output light path of first beam splitter, is expanded for pairing light beams, form parallel combined beam light beam.
Optionally, the interference free performance detection device further include the second beam splitter, the first optical filter, the second optical filter and
3rd beam splitter；
Second beam splitter is arranged on the output light path of the beam spread collimation optical system, for will be described parallel
Combined beam light beam is divided into the first light beam and the second light beam；
First optical filter is arranged in the light path of first light beam, described in filtering out in first light beam
It indicates laser beam, the propagation in atmosphere simulator is set on the output light path of first optical filter；
Second optical filter is on the light path of second light beam is arranged on, for filtering out the institute in second light beam
State laser guidance light beam；
3rd beam splitter is arranged on the laser guidance light beam and warp formed after propagation in atmosphere simulator processing
At the convergent point of the instruction laser beam formed after second optical filter processing, for at through the propagation in atmosphere simulator
The laser guidance light beam formed after reason and the instruction laser beam formed after second optical filter processing carry out conjunction beam.
Optionally, the interference free performance detection device further includes the first plane mirror and the second plane mirror；
First plane mirror is arranged in the light path of second light beam, for second light beam to be reflected into
In second optical filter；
Second plane mirror is arranged on the instruction laser beam formed after second optical filter processing
Light path on, for the instruction laser beam that is formed after second optical filter processing to be reflected into the 3rd beam splitting
In device.
Optionally, the beam converter includes electric control zooming optical system and variable optical attenuator, the automatically controlled change
Focus optical system and the variable optical attenuator are successively set on the output light path of the propagation in atmosphere simulator.
Optionally, the target seeker test system includes tested target seeker, target seeker steering engine simulator and control circuit；
The tested target seeker is connected respectively with the target seeker steering engine simulator and the control circuit, and described be tested is led
The laser beam reflected according to the diffusing reflection plate is taken the lead, defection signal is generated, and the defection signal is sent to institute
Control circuit is stated, the control circuit controls the target seeker steering engine simulator to generate deflection for generating deflection control signal
Amount.
Optionally, the interference free performance detection device further includes shell, and the shell includes first shell and second shell
Body；
The interference light field generation system is arranged in the first shell, and the target seeker test system is arranged on described
In second shell, the first shell and the second shell are connected respectively by scalable connecting rod with the diffusing reflection plate,
The first shell is provided with first through hole close to the one side of the diffusing reflection plate, and the second shell is close to described unrestrained anti-
The one side for penetrating plate is provided with the second through hole, and the first through hole is used for the laser beam of the interference light field generation system generation
It projects on the diffusing reflection plate, second through hole receives the diffusing reflection plate reflection for target seeker test system
Laser beam.
The present invention also provides a kind of interference free performance detection method of laser guidance equipment, the interference free performance detection
Method is used for a kind of interference free performance detection device, and the interference free performance detection device includes interference light field generation system, overflows
Reflecting plate, target seeker test system and man-machine interactive system, the interference light field generation system includes light-beam generator, air passes
Defeated simulator, beam converter and light beam projecting system, the propagation in atmosphere simulator include polarizer, the first space light modulation
Device and second space optical modulator, the target seeker test system include tested target seeker, target seeker steering engine simulator and control
Circuit, the interference free performance detection method include：
The light-beam generator is controlled to generate laser guidance light beam and instruction laser beam；
The propagation in atmosphere simulator is controlled to be in wholly transmissive state, generates the laser guidance light beam without interference；
According to the setting orientation of guided missile, setting speed and setting guidance range, control described in the beam converter change
The size of laser guidance light beam without interference；
The light beam projecting system is controlled to project the laser guidance light beam without interference described in after change described unrestrained
The predeterminated position of reflecting plate；
The first offset that the target seeker test system generates is obtained, first offset is the target seeker test
What the laser guidance light beam without interference after the change that system is reflected according to the diffusing reflection plate received generated；
According to default meteorologic parameter, the propagation in atmosphere simulator is controlled to be in non-fully transmissive state, after generating interference
Laser guidance light beam；
According to the setting orientation of the guided missile, setting speed and setting guidance range, the propagation in atmosphere simulator is controlled
Change the size of the laser guidance light beam after the interference；
The light beam projecting system is controlled to project the laser guidance light beam after the interference after change described unrestrained anti-
Penetrate the predeterminated position of plate；
The second offset that the target seeker test system generates is obtained, second offset is the target seeker test
What the laser guidance light beam after the interference after the change that system is reflected according to the diffusing reflection plate received generated；
According to first offset and second offset, the interference free performance of the laser guidance equipment is determined.
The present invention also provides a kind of interference free performance detecting system of laser guidance equipment, the interference free performance detection
System, including：
Light beam generation module, for the light-beam generator to be controlled to generate laser guidance light beam and instruction laser beam；
First laser light guide bundles generation module, for the propagation in atmosphere simulator to be controlled to be in wholly transmissive state,
Generate the laser guidance light beam without interference；
First optical beam transformation module, for according to the setting orientation of guided missile, setting speed and setting guidance range, controlling institute
State the size that beam converter changes the laser guidance light beam without interference；
First projection module, for controlling the light beam projecting system by the laser guidance without interference described in after change
Light beam projects the predeterminated position of the diffusing reflection plate；
First offset generation module, for obtaining the first offset that target seeker test system generates, described the
One offset is target seeker test system according to described without doing after the change of the diffusing reflection plate reflection received
The laser guidance light beam generation disturbed；
Second laser light guide bundles generation module, for according to default meteorologic parameter, controlling the propagation in atmosphere simulator
In non-fully transmissive state, the laser guidance light beam after interference is generated；
Second optical beam transformation module, for according to the setting orientation of the guided missile, setting speed and setting guidance range, control
Make the size for the laser guidance light beam that the propagation in atmosphere simulator changes after the interference；
Second projection module, for controlling the light beam projecting system by the laser guidance light after the interference after change
Beam projects the predeterminated position of the diffusing reflection plate；
Second offset generation module, for obtaining the second offset that target seeker test system generates, described the
After two offsets are target seeker test systems according to the interference after the change of the diffusing reflection plate reflection received
Laser guidance light beam generation；
Analysis module, for according to first offset and second offset, determining the laser guidance equipment
Interference free performance.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention proposes a kind of interference free performance detection device, the method and system of laser guidance equipment, described device
Including：Disturb light field generation system, diffusing reflection plate, target seeker test system and man-machine interactive system；Disturb light field generation system
Including light-beam generator, propagation in atmosphere simulator, beam converter and light beam projecting system, propagation in atmosphere simulator includes polarization
Piece, the first spatial light modulator and second space optical modulator；Polarizer, the first spatial light modulator and second space light modulation
Device is successively set on the output light path of light-beam generator；Beam converter is arranged on the output light path of second space optical modulator
On；Light beam projecting system is arranged on the output light path of beam converter；Diffusing reflection plate is arranged on the projection of light beam projecting system
In light path；Target seeker test system is arranged on the reflected light path of diffusing reflection plate；Man-machine interactive system is given birth to respectively with interference light field
It is connected into system with target seeker test system, for controlling interference light field generation system, and anti-interference is carried out according to amount of deflection
It can analysis.The present invention sets propagation in atmosphere simulator, and can at the scene IFR conditions be carried out with real-time online simulation, comprehensive
The interference introduced during Laser Atmospheric Transmission is analyzed, and then improves the accuracy of detection of interference free performance.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure chart of the interference free performance detection device of laser guidance equipment of the embodiment of the present invention；
Fig. 2 is the flow chart of the interference free performance detection method of laser guidance equipment of the embodiment of the present invention；
Fig. 3 is the structure chart of the interference free performance detecting system of laser guidance equipment of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is the structure chart of the interference free performance detection device of laser guidance equipment of the embodiment of the present invention.
Referring to Fig. 1, the interference free performance detection device of the laser guidance equipment of embodiment, including：Disturb light field generation system
System, diffusing reflection plate 19, target seeker test system, man-machine interactive system, the second beam splitter 5, the first optical filter 6, the first plane are anti-
Penetrate mirror 11, the second optical filter 12, the second plane mirror 13 and the 3rd beam splitter 14；The interference light field generation system includes light
Beam generator, propagation in atmosphere simulator 7, beam converter 15 and light beam projecting system 18；The light-beam generator specifically includes
First laser diode 1, second laser diode 2, the first beam splitter 3 and beam spread collimation optical system 4, the first laser two
Pole pipe 1 is for generating laser guidance light beam, and for generating instruction laser beam, described first swashs the second laser diode 2
The centre wavelength of optical diode 1 is 1.064 μm, and therefore, wavelength is 1.064 μm invisible centered on the laser guidance light beam
Light beam, the centre wavelength of the second laser diode 2 is 0.67 μm, and therefore, wavelength is centered on the instruction laser beam
0.67 μm of visible light beam, is used to indicate the position of the laser guidance light beam, and first beam splitter 3 is arranged on described first
At the convergent point for the light beam that laser diode 1 and the second laser diode 2 generate, for by the laser guidance light beam and
The instruction laser beam closes beam, and the beam spread collimation optical system 4 is arranged on the output light path of first beam splitter 3,
It is expanded for pairing light beams, forms parallel combined beam light beam so that light beam is in the linear work of spatial light modulator
Area；Second beam splitter 5 is arranged on the output light path of the beam spread collimation optical system 4, for by the parallel conjunction
Light beams are divided into the first light beam and the second light beam, and first optical filter 6 is arranged in the light path of first light beam, for filtering
Except the instruction laser beam in first light beam, the centre wavelength of first optical filter 6 is 0.67 μm, described first
The propagation in atmosphere simulator 7 is set on the output light path of optical filter 6, and the propagation in atmosphere simulator 7 includes polarizer 8, the
One spatial light modulator 9 and second space optical modulator 10, the polarizer 8, first spatial light modulator 9 and described
Two spatial light modulators 10 are successively set on the output light path of first optical filter 6, and the propagation in atmosphere simulator 7 is used for
The laser transmission channel under DIFFERENT METEOROLOGICAL CONDITIONS is simulated, and the laser beam is handled using the passage, it is described inclined
Shake polarization direction of the piece 8 for changing the output beam of first optical filter 6, makes polarization direction and the described first sky of light beam
Between optical modulator 9 it is consistent with the polarization direction of the second space optical modulator 10, first spatial light modulator 9 and described
Second space optical modulator 10 forms the light beam after interference for changing the phase of laser guidance light beam；First plane is anti-
It penetrates mirror 11, second optical filter 12, second plane mirror 13 to be successively set in the light path of second light beam, institute
The first plane mirror 11 is stated for second light beam to be reflected into second optical filter 12, described second filters
The centre wavelength of piece 12 is 1.064 μm, for filtering out the laser guidance light beam in second light beam, second plane
Speculum 13 for will through second optical filter 12, treated that light beam is reflected into the 3rd beam splitter 14, the described 3rd
Beam splitter 14 is arranged on after the propagation in atmosphere simulator 7 processing the laser guidance light beam that is formed and through second optical filter
At the convergent point of the instruction laser beam formed after 12 processing, for being formed after the propagation in atmosphere simulator 7 processing
Laser guidance light beam and the instruction laser beam formed after second optical filter 12 processing carry out conjunction beam, the optical beam transformation
Device 15 is arranged on the output light path of the 3rd beam splitter 14, is changed for the orientation, speed and guidance range according to guided missile
The spot size of laser beam and the energy of light beam of 3rd beam splitter 14 output, the beam converter 15 includes automatically controlled
Varifocal optical system 16 and variable optical attenuator 17, electric control zooming optical system 16 are used to control the hot spot of laser beam big
Small, the variable optical attenuator 17 is used to control the energy of laser beam；The light beam projecting system 18 is arranged on the light
On the output light path of beam converter 15, for by the beam converter 15, treated that laser beam projects the diffusing reflection
On plate 19, the light beam projecting system 18 is specially the 3rd spatial light modulator；
The diffusing reflection plate 19 is arranged on the projecting light path of the light beam projecting system 18, for that will be thrown through the light beam
The laser beam that shadow system 18 projects is reflected into the target seeker test system；
The target seeker test system is arranged on the reflected light path of the diffusing reflection plate 19, for according to the diffusing reflection
The laser beam that plate 19 reflects generates amount of deflection；The target seeker test system includes tested target seeker 20, target seeker steering engine mould
Intend device and control circuit 21；The tested target seeker 20 is fixed on the target seeker steering engine simulator, the tested target seeker
20 are connected respectively with the target seeker steering engine simulator and the control circuit 21, and the target seeker steering engine simulator includes two axis
Servo turntable, target seeker mounting base, guidance header signal receiving circuit and turning table control circuit, the tested target seeker 20 are used for
According to the laser beam of the diffusing reflection plate 19 reflection, defection signal is generated, and the defection signal is sent to the control
Circuit 21, the control circuit 21 control the target seeker steering engine simulator to generate amount of deflection for generating deflection control signal；
The man-machine interactive system is connected respectively with the interference light field generation system and target seeker test system, institute
Stating the man-machine interactive system includes light beam generation control module, atmospheric turbulence effect module, aero-optical effect module, light beam
Convert control module and interference free performance evaluation module；The light beam occurs control module and is used for according to the tested target seeker 20
Type and coding mode, the light-beam generator is controlled to generate laser beam；The atmospheric turbulence effect module is used for foundation
Default meteorological condition generates the first drive signal, control first spatial light modulator 9 to the laser beam at
Reason；The aero-optical effect module is used to generate the second driving according to the orientation and velocity of default meteorological condition, aircraft
Signal controls the second space optical modulator 10 to handle the laser beam；The optical beam transformation control module is used
In the control beam converter 15；The interference free performance evaluation module is used for what is generated according to target seeker test system
Amount of deflection carries out anti-jamming Performance Analysis, specifically, artificial neural network mould may be employed in the interference free performance evaluation module
Intend expert estimation, determine performance evaluation criterion weight, synthesis provides Evaluation results.It in practical applications, can also be in people
Increase smoke screen material module in machine interactive system, by the way that the LCD space light modulator in propagation in atmosphere simulator is controlled to simulate cigarette
Curtain interference.
Interference free performance detection device in the present embodiment further includes shell, and the shell includes first shell and second shell
Body；The interference light field generation system is arranged in the first shell, and the target seeker test system is arranged on described second
In housing, the first shell and the second shell are connected respectively by scalable connecting rod 22 with 19 plate of diffusing reflection,
The first shell is provided with first through hole close to the one side of the diffusing reflection plate 19, and the second shell is close to described unrestrained
The one side of reflecting plate 19 is provided with the second through hole, and the first through hole is used for the laser of the interference light field generation system generation
Light beam is projected on the diffusing reflection plate 19, and second through hole receives the diffusing reflection plate for target seeker test system
The laser beam of 19 reflections.
Interference free performance detection device in the present embodiment, has the following advantages：
1) propagation in atmosphere simulator is set, utilizes the first spatial light modulator in propagation in atmosphere simulator and described second
Spatial light modulator receives the phase that the atmospheric turbulance module in man-machine interactive system and aero-optical effect module generate respectively
Modulated signal forms corresponding phase screen, and then changes the phase of laser beam, generates the light beam after by atmospheric interference, realizes
Real-time online simulation is carried out to IFR conditions at the scene, what can be introduced during comprehensive analysis Laser Atmospheric Transmission is dry
It disturbs, detects the interference free performance under DIFFERENT METEOROLOGICAL CONDITIONS, different flight state, and then improve the detection essence of interference free performance
Degree, and it is simple in structure.
2) setting includes the light beam projecting system of the 3rd spatial light modulator, is only with a piece of LCD space light modulator
The deflection that light beam can be achieved realizes that the deflection of light beam is compared with traditional using bulky dimensional turntable, can greatly reduce whole
The volume and weight of a device, it is easier to realize field on-line checking.
It can simulated laser as long as 3) the interference free performance detection device in the present embodiment slightly transforms light-beam generator
Draw the modes such as interference partially, high-repetitive frequency and compacting interference, it is adaptable.
The present invention also provides a kind of interference free performance detection method of laser guidance equipment, the interference free performance detection
Method is used for above-mentioned interference free performance detection device；The interference free performance detection device includes interference light field generation system, overflows
Reflecting plate, target seeker test system and man-machine interactive system, the interference light field generation system includes light-beam generator, air passes
Defeated simulator, beam converter and light beam projecting system, the propagation in atmosphere simulator include polarizer, the first space light modulation
Device and second space optical modulator, the target seeker test system include tested target seeker, target seeker steering engine simulator and control
Circuit.
Fig. 2 is the flow chart of the interference free performance detection method of laser guidance equipment of the embodiment of the present invention.
Referring to Fig. 2, the interference free performance detection method includes：
Step S1：The light-beam generator is controlled to generate laser guidance light beam and instruction laser beam.
Step S2：The propagation in atmosphere simulator is controlled to be in wholly transmissive state, generates the laser guidance without interference
Light beam.
Step S3：According to the setting orientation of guided missile, setting speed and setting guidance range, the beam converter is controlled to change
Become the size of the laser guidance light beam without interference.
Step S4：The light beam projecting system is controlled to project the laser guidance light beam without interference described in after change
The predeterminated position of the diffusing reflection plate.
Step S5：Obtain the first offset that the target seeker test system generates.
It is reflected specifically, first offset is the target seeker test system according to the diffusing reflection plate received
Change after it is described without interference laser guidance light beam generation.
Step S6：According to default meteorologic parameter, the propagation in atmosphere simulator is controlled to be in non-fully transmissive state, generated
Laser guidance light beam after interference.
Step S7：According to the setting orientation of the guided missile, setting speed and setting guidance range, the propagation in atmosphere is controlled
Simulator changes the size of the laser guidance light beam after the interference.
Step S8：Control the light beam projecting system that the laser guidance light beam after the interference after change is projected institute
State the predeterminated position of diffusing reflection plate.
Step S9：Obtain the second offset that the target seeker test system generates.
It is reflected specifically, second offset is the target seeker test system according to the diffusing reflection plate received
Change after the interference after laser guidance light beam generation.
Step S10：According to first offset and second offset, the anti-dry of the laser guidance equipment is determined
Immunity energy.
The interference free performance detection method of laser guidance equipment in the present embodiment utilizes space in propagation in atmosphere simulator
Optical modulator phase-modulation effect, give laser guidance light beam additional random phase, when simulated laser is propagated in an atmosphere due to
Light beam caused by IFR conditions changes, for example, light beam caused by atmospheric turbulence effect and aero-optical effect changes.It should
Interference free performance detection method can at the scene carry out IFR conditions real-time online simulation, and comprehensive analysis atmospheric laser passes
The interference introduced during defeated, detects the interference free performance under DIFFERENT METEOROLOGICAL CONDITIONS, different flight state so that detection is more
Comprehensively, accuracy of detection higher.
The present invention also provides a kind of interference free performance detecting systems of laser guidance equipment, and Fig. 3 is the embodiment of the present invention
The structure chart of the interference free performance detecting system of laser guidance equipment.
Referring to Fig. 3, the interference free performance detecting system 30, including：
Light beam generation module 301, for the light-beam generator to be controlled to generate laser guidance light beam and instruction laser beam.
First laser light guide bundles generation module 302, for the propagation in atmosphere simulator to be controlled to be in wholly transmissive shape
State generates the laser guidance light beam without interference.
First optical beam transformation module 303, for according to the setting orientation of guided missile, setting speed and setting guidance range, control
Make the size that the beam converter changes the laser guidance light beam without interference.
First projection module 304, for controlling the light beam projecting system by the laser without interference described in after change
Light guide bundles processed projects the predeterminated position of the diffusing reflection plate.
First offset generation module 305, it is described for obtaining the first offset that the target seeker test system generates
First offset be target seeker test system according to after the change of the diffusing reflection plate reflection received it is described without
The laser guidance light beam generation of interference.
Second laser light guide bundles generation module 306, for according to default meteorologic parameter, the propagation in atmosphere being controlled to simulate
Device is in non-fully transmissive state, generates the laser guidance light beam after interference.
Second optical beam transformation module 307, for according to the setting orientation of the guided missile, setting speed and setting lead
From controlling the size of the laser guidance light beam that the propagation in atmosphere simulator changes after the interference.
Second projection module 308, for controlling the light beam projecting system by the laser system after the interference after change
Light guide bundles projects the predeterminated position of the diffusing reflection plate.
Second offset generation module 309, it is described for obtaining the second offset that the target seeker test system generates
Second offset is target seeker test system according to the interference after the change of the diffusing reflection plate reflection received
Laser guidance light beam generation afterwards.
Analysis module 310, for according to first offset and second offset, determining that the laser guidance is set
Standby interference free performance.
The interference free performance detecting system of laser guidance equipment in the present embodiment, can be at the scene to IFR conditions
Real-time online simulation is carried out, the interference introduced during comprehensive analysis Laser Atmospheric Transmission is detected in DIFFERENT METEOROLOGICAL CONDITIONS, difference
Interference free performance under state of flight so that detect more comprehensive, accuracy of detection higher.
Specific case used herein is set forth the principle of the present invention and embodiment, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, in specific embodiments and applications there will be changes.In conclusion this specification content is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of interference free performance detection device of laser guidance equipment, which is characterized in that including：Interference light field generation system,
Diffusing reflection plate, target seeker test system and man-machine interactive system；
The interference light field generation system includes light-beam generator, propagation in atmosphere simulator, beam converter and light beam projecting system
System, the propagation in atmosphere simulator include polarizer, the first spatial light modulator and second space optical modulator；The light beam hair
Raw device is used to generate laser beam；The polarizer, first spatial light modulator and the second space optical modulator according to
Secondary to be arranged on the output light path of the light-beam generator, the propagation in atmosphere simulator is used to simulate under DIFFERENT METEOROLOGICAL CONDITIONS
Laser transmission channel, and the laser beam is handled using the passage；The beam converter is arranged on described
On the output light path of two spatial light modulators, passed for changing according to the orientation, speed and guidance range of guided missile through the air
The size of defeated simulator treated laser beam；The light beam projecting system is arranged on the output light path of the beam converter
On, for by the beam converter, treated that laser beam projects the diffusing reflection plate；
The diffusing reflection plate is arranged on the projecting light path of the light beam projecting system, for that will be thrown through the light beam projecting system
The laser beam penetrated is reflected into the target seeker test system；
The target seeker test system is arranged on the reflected light path of the diffusing reflection plate, for being reflected according to the diffusing reflection plate
Laser beam generate amount of deflection；
The man-machine interactive system is connected respectively with the interference light field generation system and target seeker test system, for controlling
The interference light field generation system is made, and the interference free performance of the laser guidance equipment is determined according to the amount of deflection.
2. interference free performance detection device according to claim 1, which is characterized in that the light beam projecting system is specially
3rd spatial light modulator.
3. interference free performance detection device according to claim 1, which is characterized in that the light-beam generator specifically includes
First laser diode, second laser diode, the first beam splitter and beam spread collimation optical system；
For the first laser diode for generating laser guidance light beam, the second laser diode indicates laser for generating
Light beam, first beam splitter are arranged on the meeting for the light beam that the first laser diode and the second laser diode generate
At accumulation, for the laser guidance light beam and the instruction laser beam to be closed beam, the beam spread collimation optical system is set
It on the output light path of first beam splitter, is expanded for pairing light beams, forms parallel combined beam light beam.
4. interference free performance detection device according to claim 3, which is characterized in that further include the second beam splitter, first
Optical filter, the second optical filter and the 3rd beam splitter；
Second beam splitter is arranged on the output light path of the beam spread collimation optical system, for by the parallel conjunction beam
Light beam is divided into the first light beam and the second light beam；
First optical filter is arranged in the light path of first light beam, for filtering out the instruction in first light beam
Laser beam sets the propagation in atmosphere simulator on the output light path of first optical filter；
Second optical filter is described sharp in second light beam for filtering out on the light path of second light beam is arranged on
Light guide light beam；
3rd beam splitter is arranged on described in the laser guidance light beam and warp formed after propagation in atmosphere simulator processing
At the convergent point of the instruction laser beam formed after the processing of second optical filter, for after propagation in atmosphere simulator processing
The laser guidance light beam of formation and the instruction laser beam formed after second optical filter processing carry out conjunction beam.
5. interference free performance detection device according to claim 4, which is characterized in that further include the first plane mirror and
Second plane mirror；
First plane mirror is arranged in the light path of second light beam, described for second light beam to be reflected into
In second optical filter；
Second plane mirror is arranged on the light of the instruction laser beam formed after second optical filter processing
On the road, for the instruction laser beam that is formed after second optical filter processing to be reflected into the 3rd beam splitter
In.
6. interference free performance detection device according to claim 1, which is characterized in that the beam converter includes automatically controlled
Varifocal optical system and variable optical attenuator, the electric control zooming optical system and the variable optical attenuator are set gradually
On the output light path of the propagation in atmosphere simulator.
7. interference free performance detection device according to claim 1, which is characterized in that the target seeker test system includes
Tested target seeker, target seeker steering engine simulator and control circuit；
The tested target seeker is connected respectively with the target seeker steering engine simulator and the control circuit, the tested target seeker
For the laser beam reflected according to the diffusing reflection plate, defection signal is generated, and the defection signal is sent to the control
Circuit processed, the control circuit control the target seeker steering engine simulator to generate amount of deflection for generating deflection control signal.
8. interference free performance detection device according to claim 1, which is characterized in that further include shell, the shell bag
Include first shell and second shell；
The interference light field generation system is arranged in the first shell, and the target seeker test system is arranged on described second
In housing, the first shell and the second shell are connected respectively by scalable connecting rod with the diffusing reflection plate, described
First shell is provided with first through hole close to the one side of the diffusing reflection plate, and the second shell is close to the diffusing reflection plate
One side be provided with the second through hole, the first through hole is used to project the laser beam of the interference light field generation system generation
Onto the diffusing reflection plate, second through hole receives the laser of the diffusing reflection plate reflection for target seeker test system
Light beam.
A kind of 9. interference free performance detection method of laser guidance equipment, which is characterized in that the interference free performance detection method
For interference free performance detection device, the interference free performance detection device includes interference light field generation system, diffusing reflection plate, leads
Take the lead test system and man-machine interactive system, the interference light field generation system include light-beam generator, propagation in atmosphere simulator,
Beam converter and light beam projecting system, the propagation in atmosphere simulator include polarizer, the first spatial light modulator and second
Spatial light modulator, the target seeker test system includes tested target seeker, target seeker steering engine simulator and control circuit, described
Interference free performance detection method includes：
The light-beam generator is controlled to generate laser guidance light beam and instruction laser beam；
The propagation in atmosphere simulator is controlled to be in wholly transmissive state, generates the laser guidance light beam without interference；
According to the setting orientation of guided missile, setting speed and setting guidance range, control the beam converter change it is described without
The size of the laser guidance light beam of interference；
Control the light beam projecting system that the laser guidance light beam without interference described in after change is projected the diffusing reflection
The predeterminated position of plate；
The first offset that the target seeker test system generates is obtained, first offset is the target seeker test system
The laser guidance light beam without interference generates described in after the change reflected according to the diffusing reflection plate received；
According to default meteorologic parameter, the propagation in atmosphere simulator is controlled to be in non-fully transmissive state, generate swashing after interference
Light guide light beam；
According to the setting orientation of the guided missile, setting speed and setting guidance range, the propagation in atmosphere simulator is controlled to change
The size of laser guidance light beam after the interference；
Control the light beam projecting system that the laser guidance light beam after the interference after change is projected the diffusing reflection plate
The predeterminated position；
The second offset that the target seeker test system generates is obtained, second offset is the target seeker test system
What the laser guidance light beam after the interference after the change reflected according to the diffusing reflection plate received generated；
According to first offset and second offset, the interference free performance of the laser guidance equipment is determined.
A kind of 10. interference free performance detecting system of laser guidance equipment, which is characterized in that the interference free performance detection system
System, including：
Light beam generation module, for the light-beam generator to be controlled to generate laser guidance light beam and instruction laser beam；
First laser light guide bundles generation module for the propagation in atmosphere simulator to be controlled to be in wholly transmissive state, generates
Laser guidance light beam without interference；
First optical beam transformation module, for according to the setting orientation of guided missile, setting speed and setting guidance range, controlling the light
Beam converter changes the size of the laser guidance light beam without interference；
First projection module, for controlling the light beam projecting system by the laser guidance light beam without interference described in after change
Project the predeterminated position of the diffusing reflection plate；
First offset generation module, for obtaining the first offset that the target seeker test system generates, described first partially
Shifting amount is target seeker test system according to described without interference after the change of the diffusing reflection plate reflection received
The generation of laser guidance light beam；
Second laser light guide bundles generation module, for according to default meteorologic parameter, the propagation in atmosphere simulator being controlled to be in
Non-fully transmissive state generates the laser guidance light beam after interference；
Second optical beam transformation module, for according to the setting orientation of the guided missile, setting speed and setting guidance range, controlling institute
State the size for the laser guidance light beam that propagation in atmosphere simulator changes after the interference；
Second projection module, for the light beam projecting system to be controlled to throw the laser guidance light beam after the interference after change
It is mapped to the predeterminated position of the diffusing reflection plate；
Second offset generation module, for obtaining the second offset that the target seeker test system generates, described second partially
Shifting amount is target seeker test system according to sharp after the interference after the change of the diffusing reflection plate reflection received
The generation of light guide light beam；
Analysis module, for according to first offset and second offset, determining the anti-of the laser guidance equipment
Jamming performance.
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