CN104344766A - Semi-physical simulation infrared point source/imaging compound target calibration device and calibration method - Google Patents
Semi-physical simulation infrared point source/imaging compound target calibration device and calibration method Download PDFInfo
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- CN104344766A CN104344766A CN201310322289.4A CN201310322289A CN104344766A CN 104344766 A CN104344766 A CN 104344766A CN 201310322289 A CN201310322289 A CN 201310322289A CN 104344766 A CN104344766 A CN 104344766A
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Abstract
The invention discloses a semi-physical simulation infrared point source/imaging compound target calibration device which comprises an infrared focal plane detector, a calibration tool and an infrared imaging lens, the infrared focal plane detector and the infrared imaging lens are fixed on the calibration tool, all parts are positioned on the same axis by machining precision, the calibration device is mounted on a turntable and connected with a control computer through a cable, and a target simulator is calibrated. When a calibration method is used, the infrared focal plane detector and the infrared imaging lens are fixed on the calibration tool to form the calibration device, the calibration device is mounted on the turntable through a fixture, the turntable can rotate by 360 degrees, the calibration device is self-calibrated, a corresponding calibration method is used for calibration according to a calibrated target, the lapse state of the target simulator can be changed by calibration, precision of the target simulator is improved, errors are quantized, and corresponding theoretical basis is provided for evaluation of confidence coefficient of the compound target simulator and a whole simulation system.
Description
Technical field
The present invention relates to demarcation and the collimation technique field of weaponry testing equipment, be specifically related to a kind of IR point source for guidance control system semi-matter simulating system testing equipment/imaging complex target calibrating installation and calibration steps.
Background technology
Present stage missile guidance technology development, the infrared guidance guided missile of original scanning system develops into infrared imaging guidance pattern gradually.For checking guidance control system performance, infrared imaging guidance semi-true object emulation technology is also thereupon fast-developing.
Part the most key in infrared imaging guidance semi-matter simulating system is IR imaging target simulation system, and this goal systems, in order to meet the needs of guidance system test, can simulate IR point source target and IR imaging target simultaneously.For ensureing target simulation system performance index, needing regularly to calibrate it, therefore needing a kind of complex target calibrating installation and the calibration steps that can calibrate IR point source target and IR imaging target.
Summary of the invention
Problem to be solved by this invention is that providing a kind of carries out calibrating installation and calibration steps to IR point source/imaging complex target simulation system.First require that calibrating installation possesses IR point source and the/single mode of imageable target or bimodulus compound rated capacity, need in addition for calibrating installation and the concrete calibration steps of target simulation system.
The present invention, for solving its technical problem, first proposes a kind of HWIL simulation IR point source/imaging complex target calibrating installation, comprises infrared focal plane detector, calibration tool, infrared imaging camera lens; Infrared focal plane detector and infrared imaging camera lens are fixed on calibration tool, ensure each parts on the same axis by machining accuracy; Described calibrating installation is arranged on turntable, is connected with computer for controlling by cable, completes the calibration to target simulator.
Another aspect of the present invention is to propose a kind of HWIL simulation IR point source/imaging complex target calibration steps, the method step comprises: 1) be fixed on calibration tool by infrared focal plane detector and infrared imaging camera lens, composition calibrating installation, calibrating installation is arranged on turntable by fixture, and turntable can realize 360 ° of rotations; 2) self calibration of calibrating installation is completed; 3) corresponding calibration steps is adopted to calibrate according to the pattern being calibrated target.
Further, for calibration directional light, first calibrating installation is focused to infinity, then it is driven to rotate by turntable, the image that in rotary course, infrared focal plane detector exports together rotates with turntable, the non-rotary point of existence anduniquess in whole visual field, this point is the datum mark of calibrating installation, namely completes the self calibration of calibrating installation after marking this point.
Further, during Point Target calibration, the infrared target of reception is converted to image by the infrared focal plane detector in calibrating installation, by observing the picture element of image definition calibration IR point source target; Make it overlap with calibrating installation datum mark by adjustment IR point source target, reach the object of optical axis calibrator; The signal of telecommunication that infrared focal plane detector exports and infrared radiation angle value have corresponding relation, are calibrated the energy size of IR point source target by the signal of telecommunication obtained.
Further, during imageable target calibration, the infrared target of reception is converted to image by the infrared focal plane detector in calibrating installation, by observing the picture element of image definition calibration IR imaging target, the position of adjustment imageable target makes it be in datum, now complete the calibration of imageable target optical axis, the signal of telecommunication that infrared focal plane detector exports and infrared radiation angle value have corresponding relation, the energy value of IR imaging target is calibrated by the signal of telecommunication obtained, adjustment IR imaging target energy uniformity, the value of electrical signals that each pixel of detector is exported is identical, complete the nonuniformity calibration of IR imaging target.
Can change target simulator self by calibration to lapse state, its precision is improved, and error is quantized, and provides corresponding theoretical foundation to the assessment of complex target simulator and whole analogue system confidence level.
accompanying drawing explanation
Fig. 1 is HWIL simulation IR point source/imaging complex target calibrating installation principle schematic;
Fig. 2 is HWIL simulation IR point source/imaging complex target calibration steps block diagram.
Detailed description of the invention
Be HWIL simulation IR point source/imaging complex target calibrating installation principle schematic as shown in Figure 1, in figure, infrared focal plane detector 4, calibration tool 5, infrared imaging camera lens 6 form calibrating installation jointly.Calibrating installation is connected with computer for controlling 1 by cable 2, and computer for controlling 1 completes the Control & data acquisition to calibrating installation, and during calibration, calibrating installation is arranged on turntable 3, completes the calibration to point source/imaging complex target simulator 7 by use calibration steps.
As shown in Figure 2, its specific implementation process is as follows for the HWIL simulation IR point source/imaging complex target calibration steps step of the present embodiment:
1) be fixed on calibration tool by infrared focal plane detector and infrared imaging camera lens, composition calibrating installation, calibrating installation is arranged on turntable by fixture, and turntable can realize 360 ° of rotations.
2) self calibration of calibrating installation is completed.For calibration directional light, first calibrating installation is focused to infinity, then it is driven to rotate by turntable, the image that in rotary course, infrared focal plane detector exports together rotates with turntable, the non-rotary point of existence anduniquess in whole visual field, this point is the datum mark of calibrating installation, namely completes the self calibration of calibrating installation after marking this point.
3) corresponding calibration steps is adopted to calibrate according to the pattern (Point Target or imageable target) being calibrated target;
During Point Target calibration, the infrared target of reception is converted to image by the infrared focal plane detector in calibrating installation, by observing the picture element of image definition calibration IR point source target.Make it overlap with calibrating installation datum mark by adjustment IR point source target, reach the object of optical axis calibrator.The signal of telecommunication that infrared focal plane detector exports and infrared radiation angle value have corresponding relation, are calibrated the energy size of IR point source target by the signal of telecommunication obtained;
During imageable target calibration, the infrared target of reception is converted to image by the infrared focal plane detector in calibrating installation, by observing the picture element of image definition calibration IR imaging target.The position of adjustment imageable target makes it be in datum, now completes the calibration of imageable target optical axis.The signal of telecommunication that infrared focal plane detector exports and infrared radiation angle value have corresponding relation, are calibrated the energy value of IR imaging target by the signal of telecommunication obtained.Adjustment IR imaging target energy uniformity, the value of electrical signals that each pixel of detector is exported is identical, completes the nonuniformity calibration of IR imaging target.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
Claims (5)
1. HWIL simulation IR point source/imaging complex target calibrating installation, is characterized in that, comprises infrared focal plane detector, calibration tool, infrared imaging camera lens;
Described infrared focal plane detector and infrared imaging camera lens are fixed on calibration tool, ensure each parts on the same axis by machining accuracy; Described calibrating installation is arranged on turntable, is connected with computer for controlling by cable, completes the calibration to target simulator.
2. HWIL simulation IR point source/imaging complex target calibration steps, it is characterized in that, the method step comprises:
1) be fixed on calibration tool by infrared focal plane detector and infrared imaging camera lens, composition calibrating installation, calibrating installation is arranged on turntable by fixture, and turntable can realize 360 ° of rotations;
2) self calibration of calibrating installation is completed;
3) corresponding calibration steps is adopted to calibrate according to the pattern being calibrated target.
3. HWIL simulation IR point source according to claim 2/imaging complex target calibration steps, it is characterized in that, for calibration directional light, first calibrating installation is focused to infinity, then drive it to rotate by turntable, the image that in rotary course, infrared focal plane detector exports together rotates with turntable, the non-rotary point of existence anduniquess in whole visual field, this point is the datum mark of calibrating installation, namely completes the self calibration of calibrating installation after marking this point.
4. HWIL simulation IR point source according to claim 2/imaging complex target calibration steps, it is characterized in that, during Point Target calibration, the infrared target of reception is converted to image by the infrared focal plane detector in calibrating installation, by observing the picture element of image definition calibration IR point source target; Make it overlap with calibrating installation datum mark by adjustment IR point source target, reach the object of optical axis calibrator; The signal of telecommunication that infrared focal plane detector exports and infrared radiation angle value have corresponding relation, are calibrated the energy size of IR point source target by the signal of telecommunication obtained.
5. HWIL simulation IR point source according to claim 2/imaging complex target calibration steps, it is characterized in that, during imageable target calibration, the infrared target of reception is converted to image by the infrared focal plane detector in calibrating installation, by observing the picture element of image definition calibration IR imaging target, the position of adjustment imageable target makes it be in datum, now complete the calibration of imageable target optical axis, the signal of telecommunication that infrared focal plane detector exports and infrared radiation angle value have corresponding relation, the energy value of IR imaging target is calibrated by the signal of telecommunication obtained, adjustment IR imaging target energy uniformity, the value of electrical signals that each pixel of detector is exported is identical, complete the nonuniformity calibration of IR imaging target.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105423823A (en) * | 2015-10-29 | 2016-03-23 | 中国科学院长春光学精密机械与物理研究所 | Injection-type semi-physical simulation system for laser-guided missile |
| CN106249315A (en) * | 2016-08-10 | 2016-12-21 | 上海机电工程研究所 | The calibration steps of semi-matter simulating system multi-source target simulator pointing accuracy |
| CN106839877A (en) * | 2015-12-07 | 2017-06-13 | 上海机电工程研究所 | A kind of error compensating method of optics multiband complex target simulation system |
| CN109163609A (en) * | 2018-08-13 | 2019-01-08 | 上海机电工程研究所 | Radio frequency/optics Shared aperture complex target simulation system calibration method and system |
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| EP0327072A2 (en) * | 1988-02-04 | 1989-08-09 | The Boeing Company | Boresight alignment measuring apparatus and method for electro-optic systems |
| CN2077121U (en) * | 1990-10-25 | 1991-05-15 | 大同铁路分局大同车辆段 | Detecting point prover of infrared search unit |
| EP0511346B1 (en) * | 1990-11-16 | 1995-05-17 | Thomson-Csf | Alignment control device and uses thereof |
| RU2164653C1 (en) * | 1999-10-05 | 2001-03-27 | Государственное научно-производственное предприятие "Регион" | Target simulator for ammunition with television homing head |
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| EP0269843A2 (en) * | 1986-10-31 | 1988-06-08 | DIEHL GMBH & CO. | Checking device, especially for the homing head of intelligent guided ammunition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423823A (en) * | 2015-10-29 | 2016-03-23 | 中国科学院长春光学精密机械与物理研究所 | Injection-type semi-physical simulation system for laser-guided missile |
| CN106839877A (en) * | 2015-12-07 | 2017-06-13 | 上海机电工程研究所 | A kind of error compensating method of optics multiband complex target simulation system |
| CN106249315A (en) * | 2016-08-10 | 2016-12-21 | 上海机电工程研究所 | The calibration steps of semi-matter simulating system multi-source target simulator pointing accuracy |
| CN109163609A (en) * | 2018-08-13 | 2019-01-08 | 上海机电工程研究所 | Radio frequency/optics Shared aperture complex target simulation system calibration method and system |
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| CN104344766B (en) | 2016-08-10 |
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