CN106839879A - A kind of Point Target and interference simulation system based on secondary imaging principle - Google Patents
A kind of Point Target and interference simulation system based on secondary imaging principle Download PDFInfo
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- CN106839879A CN106839879A CN201710089484.5A CN201710089484A CN106839879A CN 106839879 A CN106839879 A CN 106839879A CN 201710089484 A CN201710089484 A CN 201710089484A CN 106839879 A CN106839879 A CN 106839879A
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
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- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
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- Spectrometry And Color Measurement (AREA)
Abstract
The invention discloses a kind of Point Target based on secondary imaging principle and interference simulation system, the system is made up of optical coupling system, lamp optical system, high temperature blackbody, bundling device, target diaphragm component, energy hole component, interference diaphragm component, rotating mirror, interfering channel whirler and shutter.The present invention uses channel structure, and destination channel and interfering channel are separated, each passage can independent change, be independent of each other, then beam is closed by bundling device, make target seeker that target and interference can be simultaneously observed during emulation testing.By the design of target diaphragm component, system can provide object module of different sizes, by disturbing diaphragm component, make system to provide quantity, size changeable interference.By the design of energy hole component, control targe or interfering energy can quickly change, realize the target to different-energy or the simulation of interference.
Description
Technical field
The invention belongs to optical analog emulation and technical field of measurement and test, it is related to a kind of point source mesh based on secondary imaging principle
Mark and interference simulation system.
Background technology
Infrared Imaging Seeker belongs to passive guidance mode, has the advantages that round-the-clock, strong antijamming capability.It is red to shorten
Lead time of outer Imaging Seeker is, it is necessary to using infrared target simulator to the dynamic of Infrared Imaging Seeker in laboratory
Tracking performance carries out emulation testing.Usually used infrared target simulator is infrared circular target simulator.In antiair action
In be imaged as infrared triangular day mark on Infrared Imaging Seeker attacking aircraft or guided missile (including the spray of its tail).It is this kind of next
Attack target have just enter into the identification of target seeker apart from when, the imaging on target seeker is small, infrared circular target can be equivalent to, by red
Outer ring target simulator is simulated, but when closer to the distance, can be on target seeker during blur-free imaging, circular target simulator cannot
This kind of triangular day mark of realistic simulation.In l-G simulation test, generally also need to be adjusted the energy of infrared target, in difference
Target seeker is tested under energy condition, to study target seeker under different target distance, different weather state to target
Reaction.In addition, in addition it is also necessary to which target seeker antijamming capability is tested, this is accomplished by infrared target simulator in simulation mesh
Target can also discharge the interference of different size, varying number simultaneously.
CN102279093A discloses a kind of infrared dynamic triangular target simulator, and the simulator can simulate different size
Triangular day mark, target energy can be changed, while releasable interference, but its shortcoming is that the change of target and interfering energy is
Completed by polarization fading piece, polarization fading piece is made up of two panels linear polarizer, near that a piece of polarizer of infrared target
50% or so target energy is absorbed, needs to carry out polarizer cooling ability normal work, Er Qieqi in higher-energy state
Interference release is single, it is impossible to changes release direction and delivery mode, cannot also change release amount of interference.
The content of the invention
The present invention is in order to overcome the deficiencies in the prior art, there is provided a kind of Point Target based on secondary imaging principle and dry
Simulation system is disturbed, variable target and interference can be provided for target seeker emulation experiment, target and anti-interference can be tracked to target seeker
Ability carries out test analysis.
The purpose of the present invention is achieved through the following technical solutions：
A kind of Point Target and interference simulation system based on secondary imaging principle, using destination channel and interfering channel point
The channel structure opened, interfering channel use secondary imaging principle, whole system by optical coupling system, lamp optical system,
High temperature blackbody, bundling device, target diaphragm component, energy hole component, interference diaphragm component, rotating mirror, interfering channel rotation
Favourable turn and shutter composition, wherein：
Described optical coupling system is made up of imaging microscope group, target imaging microscope group and interference imaging microscope group；
Described lamp optical system is made up of target illumination optical system and interference lamp optical system；
Described high temperature blackbody includes the first high temperature blackbody and the second high temperature blackbody；
Described energy hole component includes the first energy hole component and the second energy hole component；
Described the first high temperature blackbody, target illumination optical system, the first energy hole component, target diaphragm component composition
Destination channel；
Described the second high temperature blackbody, interference lamp optical system, the second energy hole component, interference diaphragm component, rotation
Turn reflective mirror, interfering channel rotating mechanism and shutter and constitute interfering channel；
Described interfering channel rotating mechanism is used for rational disturbance passage, simulation interference rotation and interference release direction；
The destination channel is sent infra-red radiation, is entered through lamp optical system by Polaroid completion, the first high temperature blackbody
Enter the imaging of the first energy hole component, unlimited distance is then imaged onto by optical coupling system by target diaphragm component；
The interfering channel uses secondary imaging principle, and the second high temperature blackbody sends infra-red radiation, through disturbing light optics
System is imaged for the first time after entering the second energy hole component, by second after interference diaphragm component, rotating mirror, shutter
Secondary imaging, is then imaged onto unlimited distance by optical coupling system.
In the present invention, described target diaphragm component is made up of target diaphragm piece component and motor, target diaphragm piece
Component is docked with the rectangular metal sheet of another formed objects by a piece of rectangular metal sheet by vee and constituted, and is realized to three
The simulation of angular target, motor drives two metal sheets relative movement, changes object module size.
In the present invention, described energy hole component is made up of gradual change attenuator and motor, and gradual change attenuator is circle
Shape thin plate, averagely separates some sectors on thin plate, each fan-shaped transmitance is different, and motor drives gradual change attenuator to turn
Dynamic, the different transmitance of different angle correspondences carrys out the change of analog energy, and its effect is that control high temperature blackbody is radiated target
Diaphragm component and interference diaphragm component in target and interference energy change, make emulation when see energy variation target and
Interference.
In the present invention, described interference diaphragm component is located at the Polaroid position of interfering channel, by interference diaphragm and driving
Motor is constituted, and interference diaphragm is circular sheet, some sector regions is divided on circular sheet, in different sector region centre bits
Put and stamp the different aperture of quantity, size side by side along thin plate radial direction, motor drives interference diaphragm motion, its effect
It is that interference diaphragm provides different size, the interference of varying number.
In the present invention, described rotating mirror is made up of reflective mirror and motor, and reflective mirror passes through with motor
Two-dimentional linkage connection, motor drives reflective mirror rotation, changes image space, simulation interference release.
In the present invention, described shutter is two thin semicircular plates, can be by controlling shutter shielded area and blocking
The interference number of position control simulation and the position of interference release.
In the present invention, the target and interference of destination channel and interfering channel radiation are closed in the effect of described bundling device
Beam.
Compared with prior art, the present invention has the advantages that：
1st, system uses channel structure, and destination channel and interfering channel are separated, and each passage can independent change, mutually not shadow
Ring, then beam is closed by bundling device, make target seeker that target and interference can be simultaneously observed during emulation testing.
2nd, by the design of target diaphragm component, system can provide object module of different sizes, by disturbing diaphragm group
Part, makes system to provide quantity, size changeable interference.
3rd, by the design of energy hole component, control targe or interfering energy can quickly change, realize to different-energy
Target or interference simulation.
4th, interfering channel uses secondary imaging principle design, shutter and interference diaphragm component to be located at interfering channel two respectively
Individual image space, difference control release amount of interference, size and interference off-position.
5th, system is provided with interference rotating mechanism and rotating mirror, can change the direction of interference release and the side of release
Formula.
Brief description of the drawings
Fig. 1 is the overall structure machine drawing of Point Target based on secondary imaging principle and interference simulation system；
Fig. 2 is the optical schematic diagram of Point Target based on secondary imaging principle and interference simulation system；
Fig. 3 is the structural representation of target diaphragm component；
Fig. 4 is the structural representation of energy hole component；
Fig. 5 is the structural representation for disturbing diaphragm component；
Fig. 6 is the structural representation of rotating mirror；
Fig. 7 is the structural representation of interfering channel rotating mechanism.
Specific embodiment
Technical scheme is further described below in conjunction with the accompanying drawings, but is not limited thereto, it is every to this
Inventive technique scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention, all should be covered
In protection scope of the present invention.
As shown in figure 1, the Point Target based on secondary imaging principle that provides of the present invention and interference simulation system use mesh
The channel structure that mark passage is separated with interfering channel, interfering channel uses secondary imaging principle, and whole system is by optical coupled
System 1, lamp optical system 2, high temperature blackbody 3, bundling device 4, target diaphragm component 5, energy hole component 6, interference diaphragm group
Part 7, rotating mirror 8, interfering channel rotating mechanism 9 and shutter 10 are constituted, and can provide point source mesh for target seeker emulation testing
Mark and interference, tracking target and antijamming capability to target seeker carries out test analysis.
As shown in Fig. 2 described optical coupling system 1 is by imaging microscope group 1-1, target imaging microscope group 1-2 and interference imaging
Microscope group 1-3 is constituted, and its effect is with equivalent to nothing after the target with certain energy and the optically coupled system 1 of interference are collimated
The remote target of limit and interference are directed to an optical system and receive, and the emergent pupil aperture of optical coupling system 1 is completely covered target seeker
Entrance pupil aperture, realizes being improved with target seeker entrance pupil coupling.Described lamp optical system 2 is by target illumination optical system and interference
Lamp optical system two parts are constituted, its effect be the energy that radiates high temperature blackbody 3 after lamp optical system 2 with certain
Target diaphragm component 5 and the target and interference uniform illumination of interference diaphragm component 7 are made target seeker be able to observe that one by angular aperture
Surely measure uniform target and interference.Target and do that the effect of described bundling device 4 radiates destination channel and interfering channel
Disturbing carries out conjunction beam, makes target seeker during emulation testing, can simultaneously observe target and interference.Described interfering channel is used
Secondary imaging principle, interference diaphragm component 7 and shutter 10 are respectively positioned at two image spaces of interfering channel.
As shown in figure 3, described target diaphragm component 5 is made up of target diaphragm piece component 5-1 and motor 5-2, mesh
Mark diaphragm piece component 5-1 is used to realize the simulation of triangular day mark, by it is a piece of have the rectangular metal sheet of vee with it is another
The rectangular metal sheet docking composition of formed objects, motor 5-2 drives the mobile change triangle size of two metal sheets, realizes
The change of simulated target size.
As shown in figure 4, described energy hole component 6 is made up of gradual change attenuator 6-1 and motor 6-2, gradual change declines
Subtract piece 6-1 for circular sheet, separate 8 sectors of area equation on circular sheet as needed, each sector is 45 °, is adopted
With methods such as photoetching, plated films, the transmitance for making each fan-shaped is respectively 0%, 15%, 30%, 45%, 60%, 75%, 90%,
100%, motor 6-2 drive the motion of gradual change attenuator, and different angles correspond to different transmitances to control high temperature blackbody 3
The change of target and interfering energy in target diaphragm component 5 and interference diaphragm component 7 is radiated, the targets different to energy are realized
With the simulation of interference.
As shown in figure 5, described interference diaphragm component 7 is made up of interference diaphragm 7-1 and motor 7-2, diaphragm is disturbed
7-1 is circular sheet, and thin plate is equally divided into 13 sector regions of area equation, in different sector region centers along radius
Varying number, different size of aperture are stamped in direction side by side, and motor 7-2 drives the 7-1 motions of interference diaphragm, makes different sectors
On aperture respectively through optical system, the change of simulation amount of interference and size.
As shown in fig. 6, described rotating mirror 8 is made up of reflective mirror and motor, reflective mirror leads to motor
Two-dimentional linkage connection is crossed, motor drives reflective mirror rotation, change interfering channel image space, simulation interference release.
As shown in fig. 7, the described connection interfering channel of interfering channel rotating mechanism 9 and simulation system main body, shutter 10
Positioned at the middle part of interfering channel rotating mechanism 9, interfering channel integral-rotation can be simulated interference rotation by interfering channel rotating mechanism 9
And interference release direction.
Rotating mirror can adjust the direction of interference release by itself rotation, in the direction that rotary reflective mirror image is fixed
During rotation, interference has fixed direction to discharge, now rational disturbance passage rotating mechanism, you can interference is revolved along fixed-direction
Turn release.
Claims (10)
1. a kind of Point Target and interference simulation system based on secondary imaging principle, it is characterised in that the system is by optics coupling
Syzygy system, lamp optical system, high temperature blackbody, bundling device, target diaphragm component, energy hole component, interference diaphragm component, rotation
Turn reflective mirror, interfering channel whirler and shutter composition, wherein：
Described optical coupling system is made up of imaging microscope group, target imaging microscope group and interference imaging microscope group；
Described lamp optical system is made up of target illumination optical system and interference lamp optical system；
Described high temperature blackbody includes the first high temperature blackbody and the second high temperature blackbody；
Described energy hole component includes the first energy hole component and the second energy hole component；
Described the first high temperature blackbody, target illumination optical system, the first energy hole component, target diaphragm component composition target
Passage；
Described the second high temperature blackbody, interference lamp optical system, the second energy hole component, interference diaphragm component, rotation is instead
Light microscopic, interfering channel rotating mechanism and shutter constitute interfering channel；
Described interfering channel rotating mechanism is used for rational disturbance passage, simulation interference rotation and interference release direction；
The destination channel sends infra-red radiation by Polaroid completion, the first high temperature blackbody, and is entered through lamp optical system
One energy hole component is imaged, and is then imaged onto unlimited distance by optical coupling system by target diaphragm component；
The interfering channel uses secondary imaging principle, and the second high temperature blackbody sends infra-red radiation, through disturbing lamp optical system
Be imaged for the first time after into the second energy hole component, by interference diaphragm component, rotating mirror, after shutter second into
Picture, is then imaged onto unlimited distance by optical coupling system.
2. Point Target and interference simulation system based on secondary imaging principle according to claim 1, it is characterised in that
Described target diaphragm component is made up of target diaphragm piece component and motor.
3. Point Target and interference simulation system based on secondary imaging principle according to claim 2, it is characterised in that
Described target diaphragm piece component by a piece of rectangular metal sheet and another formed objects for having a vee rectangular metal sheet
Docking composition.
4. Point Target and interference simulation system based on secondary imaging principle according to claim 1, it is characterised in that
Described energy hole component is made up of gradual change attenuator and motor.
5. Point Target and interference simulation system based on secondary imaging principle according to claim 4, it is characterised in that
Described gradual change attenuator is circular sheet, and some sectors are averagely separated on thin plate, and each fan-shaped transmitance is different.
6. Point Target and interference simulation system based on secondary imaging principle according to claim 1, it is characterised in that
Described interference diaphragm component is made up of interference diaphragm and motor.
7. Point Target and interference simulation system based on secondary imaging principle according to claim 1, it is characterised in that
Described interference diaphragm is circular sheet, some sector regions is divided on circular sheet, in different sector region centers
The different aperture of quantity, size is stamped side by side along thin plate radial direction.
8. the Point Target and interference simulation system based on secondary imaging principle according to claim 1 or 6, its feature exists
The Polaroid position of interfering channel is located in described interference diaphragm component.
9. Point Target and interference simulation system based on secondary imaging principle according to claim 1, it is characterised in that
Described rotating mirror is made up of reflective mirror and motor.
10. Point Target and interference simulation system based on secondary imaging principle according to claim 1, it is characterised in that
Described shutter is located at interfering channel secondary imaging position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710089484.5A CN106839879B (en) | 2017-02-20 | 2017-02-20 | A kind of Point Target and interference simulation system based on secondary imaging principle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710089484.5A CN106839879B (en) | 2017-02-20 | 2017-02-20 | A kind of Point Target and interference simulation system based on secondary imaging principle |
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| CN106839879A true CN106839879A (en) | 2017-06-13 |
| CN106839879B CN106839879B (en) | 2018-05-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353961A (en) * | 2021-12-01 | 2022-04-15 | 北京仿真中心 | Infrared broadband large dynamic complex imaging target and interference simulation device |
| CN114924329A (en) * | 2022-03-10 | 2022-08-19 | 夏惠义 | Optical seeker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020205650A1 (en) * | 2020-05-05 | 2021-11-11 | Robert Bosch Gesellschaft mit beschränkter Haftung | Test device for an active optical sensor |
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| CN102279093A (en) * | 2011-04-13 | 2011-12-14 | 中国兵器工业第二〇五研究所 | Infrared dynamic triangular target simulator |
| CN202452892U (en) * | 2011-12-30 | 2012-09-26 | 洛阳理工学院 | Motion analogue simulation system for infrared target |
| CN103529550A (en) * | 2013-10-29 | 2014-01-22 | 哈尔滨工业大学 | Infrared broadband target simulation optical system |
| CN104197784A (en) * | 2014-09-19 | 2014-12-10 | 北京仿真中心 | Infrared target and interference simulation device |
| CN105510001A (en) * | 2014-10-14 | 2016-04-20 | 哈尔滨新光光电科技有限公司 | Continuous attenuation system used for energy simulation in optical scene |
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2017
- 2017-02-20 CN CN201710089484.5A patent/CN106839879B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279093A (en) * | 2011-04-13 | 2011-12-14 | 中国兵器工业第二〇五研究所 | Infrared dynamic triangular target simulator |
| CN202452892U (en) * | 2011-12-30 | 2012-09-26 | 洛阳理工学院 | Motion analogue simulation system for infrared target |
| CN103529550A (en) * | 2013-10-29 | 2014-01-22 | 哈尔滨工业大学 | Infrared broadband target simulation optical system |
| CN104197784A (en) * | 2014-09-19 | 2014-12-10 | 北京仿真中心 | Infrared target and interference simulation device |
| CN105510001A (en) * | 2014-10-14 | 2016-04-20 | 哈尔滨新光光电科技有限公司 | Continuous attenuation system used for energy simulation in optical scene |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353961A (en) * | 2021-12-01 | 2022-04-15 | 北京仿真中心 | Infrared broadband large dynamic complex imaging target and interference simulation device |
| CN114924329A (en) * | 2022-03-10 | 2022-08-19 | 夏惠义 | Optical seeker |
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| CN106839879B (en) | 2018-05-22 |
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