CN106839879B - 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 PDF

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Publication number
CN106839879B
CN106839879B CN201710089484.5A CN201710089484A CN106839879B CN 106839879 B CN106839879 B CN 106839879B CN 201710089484 A CN201710089484 A CN 201710089484A CN 106839879 B CN106839879 B CN 106839879B
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CN
China
Prior art keywords
interference
target
component
diaphragm
imaging
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CN201710089484.5A
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Chinese (zh)
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CN106839879A (en
Inventor
康为民
张建隆
郭鑫民
王祥鹏
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哈尔滨工业大学
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Priority to CN201710089484.5A priority Critical patent/CN106839879B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41GWEAPON SIGHTS; AIMING
    • F41G3/00Aiming or laying means
    • F41G3/32Devices for testing or checking
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497Means for monitoring or calibrating

Abstract

The invention discloses a kind of Point Target based on secondary imaging principle and interference simulation system, the system is made 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 rotating mechanism and shutter.Using channel structure, destination channel and interfering channel separate the present invention, each passage can independent change, be independent of each other, then beam is closed by bundling device, make target seeker that can observe target and interference simultaneously during emulation testing.By the design of target diaphragm component, system can provide object module of different sizes, by disturbing diaphragm component, make system that can provide quantity, size changeable interference.By the design of energy hole component, it can quickly control targe or interfering energy change, realize the target to different-energy or the simulation of interference.

Description

A kind of Point Target and interference simulation system based on secondary imaging principle

Technical field

The invention belongs to optical analog emulation and technical field of measurement and test, are 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 many advantages, such as round-the-clock, strong antijamming capability.It is red to shorten The 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, to attack aircraft or guided missile(It is sprayed including its tail)Infrared triangular day mark is imaged as on Infrared Imaging Seeker.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, it can be in blur-free imaging on target seeker, circular target simulator cannot This kind of triangular day mark of realistic simulation.In l-G simulation test, usually also need to that the energy of infrared target is adjusted, 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, it is also necessary to target seeker antijamming capability be tested, this just needs infrared target simulator in simulation mesh Target can also discharge the interference of different size, different number simultaneously.

CN102279093A discloses a kind of infrared dynamic triangular target simulator, which 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 It is completed by polarization fading piece, polarization fading piece is made of two panels linear polarizer, close to that a piece of polarizer of infrared target 50% or so target energy is absorbed, in higher-energy state needs that polarizer cool down and could worked normally, and it is dry It is single to disturb release, release direction and delivery mode can not be changed, can not also change release amount of interference.

The content of the invention

The present invention is in order to overcome the deficiencies of the prior art and provide 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 what is be 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 Rotation mechanism and shutter composition, wherein:

The optical coupling system is made of imaging microscope group, target imaging microscope group and interference imaging microscope group;

The lamp optical system is made of target illumination optical system and interference lamp optical system;

The high temperature blackbody includes the first high temperature blackbody and the second high temperature blackbody;

The energy hole component includes the first energy hole component and the second energy hole component;

First high temperature blackbody, target illumination optical system, the first energy hole component, target diaphragm component are formed Destination channel;

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 form interfering channel;

The 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, through lamp optical system into 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, second after interference diaphragm component, rotating mirror, shutter Secondary imaging, is then imaged onto unlimited distance by optical coupling system.

In the present invention, the target diaphragm component is made of target diaphragm piece component and driving motor, target diaphragm piece Component is docked with the rectangular metal sheet of another same size by a piece of rectangular metal sheet by triangular gap and formed, and is realized to three The simulation of angular target, driving motor drive two metal sheets relative movement, change object module size.

In the present invention, the energy hole component is made of gradual change attenuator and driving motor, and gradual change attenuator is circle Shape thin plate averagely separates several sectors on thin plate, and each sector transmitance is different, and driving motor drives gradual change attenuator to turn Dynamic, different angles corresponds to the variation that different transmitances carrys out analog energy, and effect is that control high temperature blackbody is radiated target Diaphragm component and interference diaphragm component in target and interference energy variation, make emulation when see energy variation target and Interference.

In the present invention, the interference diaphragm component is located at the Polaroid position of interfering channel, by interference diaphragm and driving Motor form, interference diaphragm are circular sheet, several sector regions are divided on circular sheet, in different sector region centre bits It puts along thin plate radial direction and stamps the different aperture of quantity, size side by side, driving motor drives interference diaphragm movement, effect It is the interference that diaphragm is disturbed to provide different size, different number.

In the present invention, the rotating mirror is made of reflective mirror and driving motor, and reflective mirror passes through with driving motor Two-dimentional linkage connection, driving motor drive reflective mirror rotation, change image space, simulation interference release.

In the present invention, the 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 the 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 separate, each passage can independent change, mutual not shadow It rings, then beam is closed by bundling device, make target seeker that can observe target and interference simultaneously 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 that can provide quantity, size changeable interference.

3rd, by the design of energy hole component, it can quickly control targe or interfering energy change, realize to different-energy Target or interference simulation.

4th, interfering channel is designed using secondary imaging principle, and shutter and interference diaphragm component are located at interfering channel two respectively A image space, respectively control discharge amount of interference, size and interference releasing 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.

Description of the drawings

Fig. 1 is the overall structure machine drawing of Point Target and interference simulation system based on secondary imaging principle;

Fig. 2 is the optical schematic diagram of Point Target and interference simulation system based on secondary imaging principle;

Fig. 3 is the structure diagram of target diaphragm component;

Fig. 4 is the structure diagram of energy hole component;

Fig. 5 is the structure diagram of interference diaphragm component;

Fig. 6 is the structure diagram of rotating mirror;

Fig. 7 is the structure diagram 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 replaced equivalently, and without departing from the spirit and scope of technical solution of the present invention, should all be covered In protection scope of the present invention.

As shown in Figure 1, Point Target and interference simulation system provided by the invention based on secondary imaging principle use mesh The channel structure that mark passage is separated with interfering channel, interfering channel use 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 form, and can provide point source mesh for target seeker emulation testing Mark and interference, track target seeker target and antijamming capability carries out test analysis.

As shown in Fig. 2, the optical coupling system 1 is imaged by imaging microscope group 1-1, target imaging microscope group 1-2 and interference Microscope group 1-3 is formed, effect be the target with certain energy and disturb optically coupled system 1 collimate after to be equivalent to nothing It limits remote target and interference is directed to an optical system and receives, target seeker is completely covered in the emergent pupil aperture of optical coupling system 1 Entrance pupil aperture, realization is improved with target seeker entrance pupil to be coupled.The lamp optical system 2 is by target illumination optical system and interference Lamp optical system two parts form, effect be by the energy that high temperature blackbody 3 radiates after lamp optical system 2 with certain Angular aperture is by target diaphragm component 5 and disturbs the target of diaphragm component 7 and interference uniform illumination, and target seeker is made to be able to observe that one Surely measure uniform target and interference.The target and do that the effect of the bundling device 4 radiates destination channel and interfering channel It disturbs and carries out conjunction beam, make target seeker during emulation testing, can observe target and interference simultaneously.The interfering channel uses Secondary imaging principle disturbs diaphragm component 7 and shutter 10 to be located at two image spaces of interfering channel respectively.

As shown in figure 3, the target diaphragm component 5 is made of target diaphragm piece component 5-1 and driving motor 5-2, mesh Mark diaphragm piece component 5-1 is used to implement the simulation of triangular day mark, by a piece of rectangular metal sheet for having a triangular gap with it is another The rectangular metal sheet docking composition of same size, driving motor 5-2 drive the mobile change triangle size of two metal sheets, realize The variation of simulated target size.

As shown in figure 4, the energy hole component 6 is made of gradual change attenuator 6-1 and driving motor 6-2, gradual change declines Subtract piece 6-1 as circular sheet, separate the sector of 8 area equations on circular sheet as needed, it is each fan-shaped for 45 °, it adopts With methods such as photoetching, plated films, the transmitance for making each sector is respectively 0%, 15%, 30%, 45%, 60%, 75%, 90%, 100%, is driven Dynamic motor 6-2 drives the movement of gradual change attenuator, and different angles corresponds to different transmitances high temperature blackbody 3 to be controlled to be radiated mesh It marks diaphragm component 5 and disturbs the variation of target and interfering energy in diaphragm component 7, realize the target different to energy and interference Simulation.

As shown in figure 5, the interference diaphragm component 7 is made of interference diaphragm 7-1 and driving motor 7-2, diaphragm is disturbed 7-1 is circular sheet, and thin plate is equally divided into the sector region of 13 area equations, in different sector region centers along radius Different number, different size of aperture are stamped in direction side by side, and driving motor 7-2 drives the 7-1 movements of interference diaphragm, makes different sectors On aperture respectively by optical system, simulate the variation of amount of interference and size.

As shown in fig. 6, the rotating mirror 8 is made of reflective mirror and driving motor, reflective mirror leads to driving motor Two-dimentional linkage connection is crossed, driving motor drives reflective mirror rotation, changes interfering channel image space, simulation interference release.

As shown in fig. 7, the interfering channel rotating mechanism 9 connects interfering channel and simulation system main body, shutter 10 Positioned at 9 middle part of interfering channel rotating mechanism, 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 fixed direction of rotary reflective mirror image During rotation, interference has fixed direction to discharge, at this time rational disturbance passage rotating mechanism, you can interference is made to be revolved along fixed-direction Turn release.

Claims (4)

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 Collaboration system, lamp optical system, high temperature blackbody, bundling device, target diaphragm component, energy hole component, interference diaphragm component, rotation Turn reflective mirror, interfering channel rotating mechanism and shutter composition, wherein:
The optical coupling system is made of imaging microscope group, target imaging microscope group and interference imaging microscope group;
The lamp optical system is made of target illumination optical system and interference lamp optical system;
The high temperature blackbody includes the first high temperature blackbody and the second high temperature blackbody;
The target diaphragm component is made of target diaphragm piece component and driving motor;
The target diaphragm piece component is by the rectangle of a piece of rectangular metal sheet for having triangular gap and another same size gold Belong to piece docking composition;
The energy hole component is made of gradual change attenuator and driving motor;
The gradual change attenuator is circular sheet, and several sectors are averagely separated on thin plate, and each sector transmitance is different;
The energy hole component includes the first energy hole component and the second energy hole component;
The interference diaphragm component is made of interference diaphragm and driving motor;
The interference diaphragm is circular sheet, several sector regions is divided on circular sheet, at different sector region centers The different aperture of quantity, size is stamped side by side along thin plate radial direction in position;
First high temperature blackbody, target illumination optical system, the first energy hole component, target diaphragm component form target Passage;
Second high temperature blackbody, interference lamp optical system, the second energy hole component, interference diaphragm component, rotation are anti- Light microscopic, interfering channel rotating mechanism and shutter form interfering channel;
The 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, through target illumination optical system into 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 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 Then picture is imaged onto unlimited distance by optical coupling system.
2. Point Target and interference simulation system according to claim 1 based on secondary imaging principle, it is characterised in that The interference diaphragm component is located at the Polaroid position of interfering channel.
3. Point Target and interference simulation system according to claim 1 based on secondary imaging principle, it is characterised in that The rotating mirror is made of reflective mirror and driving motor.
4. Point Target and interference simulation system according to claim 1 based on secondary imaging principle, it is characterised in that The shutter is located at interfering channel secondary imaging position.
CN201710089484.5A 2017-02-20 2017-02-20 A kind of Point Target and interference simulation system based on secondary imaging principle CN106839879B (en)

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CN106839879B true CN106839879B (en) 2018-05-22

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Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

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