CN104344766B - HWIL simulation IR point source/imaging complex target calibrating installation and calibration steps - Google Patents
HWIL simulation IR point source/imaging complex target calibrating installation and calibration steps Download PDFInfo
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- CN104344766B CN104344766B CN201310322289.4A CN201310322289A CN104344766B CN 104344766 B CN104344766 B CN 104344766B CN 201310322289 A CN201310322289 A CN 201310322289A CN 104344766 B CN104344766 B CN 104344766B
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Abstract
The HWIL simulation IR point source of the present invention/imaging complex target calibrating installation, including 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；Calibrating installation is arranged on turntable, is connected with controlling computer by cable, completes the calibration to target simulator.When using this calibration steps, first infrared focal plane detector and infrared imaging camera lens being fixed on calibration tool, form calibrating installation, calibrating installation is arranged on turntable by fixture, and turntable can 360 ° of rotations；Next completes the self calibration of calibrating installation；Then corresponding calibration steps is used to calibrate according to the pattern being calibrated target.Can change target simulator self by calibration to lapse state so that it is precision improves, and error is quantified, the assessment to complex target simulator and whole analogue system confidence level provides corresponding theoretical foundation.
Description
Technical field
The present invention relates to demarcation and the collimation technique field of weaponry test equipment, be specifically related to a kind of IR point source/imaging complex target calibrating installation for guidance control system semi-matter simulating system test equipment and calibration steps.
Background technology
Present stage missile guidance technology development, the infrared guidance guided missile of original scanning system gradually develops into infrared imaging guidance pattern.For checking guidance control system performance, infrared imaging guidance semi-true object emulation technology is the most fast-developing.
Ingredient the most key in infrared imaging guidance semi-matter simulating system is IR imaging target analog systems, and this goal systems is in order to meet the needs of guidance system test, it is possible to simulation IR point source target and IR imaging target simultaneously.For ensureing target simulation system performance index, need periodically it to be calibrated, it is therefore desirable to a kind of complex target calibrating installation that can calibrate IR point source target and IR imaging target and calibration steps.
Summary of the invention
To be solved by this invention haveing a problem in that provides one that IR point source/imaging complex target simulation system is carried out calibrating installation and calibration steps.First require that calibrating installation possesses and IR point source and the/single mode of imageable target or bimodulus are combined rated capacity, be additionally required for calibrating installation and the concrete calibration steps of target simulation system.
The present invention solves its technical problem, first propose a kind of HWIL simulation IR point source/imaging complex target calibrating installation, including 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 controlling computer 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 includes: 1) infrared focal plane detector and infrared imaging camera lens are fixed on calibration tool, 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 used 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 of rotary course mid-infrared focus planardetector output rotates together with turntable, the non-rotary point of existence anduniquess in whole visual field, this point is the datum mark of calibrating installation, i.e. completes the self calibration of calibrating installation after this point of labelling.
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 adjusting IR point source target, reach the purpose of optical axis calibrator；The signal of telecommunication of infrared focal plane detector output has corresponding relation with infrared radiation angle value, the energy size of the signal of telecommunication calibration IR point source target by obtaining.
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 adjusting imageable target is at datum, now complete the calibration of imageable target optical axis, the signal of telecommunication of infrared focal plane detector output has corresponding relation with infrared radiation angle value, the energy value of the signal of telecommunication calibration IR imaging target by obtaining, adjust IR imaging target energy uniformity, the value of electrical signals making each pixel of detector export is identical, complete the nonuniformity calibration of IR imaging target.
Target simulator self can be changed by calibration to lapse state so that it is precision improves, and error is quantified, and the assessment to complex target simulator and whole analogue system confidence level provides corresponding theoretical foundation.
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
Being HWIL simulation IR point source/imaging complex target calibrating installation principle schematic as shown in Figure 1, figure mid-infrared focus planardetector 4, calibration tool 5, infrared imaging camera lens 6 collectively form calibrating installation.Calibrating installation is connected with controlling computer 1 by cable 2, controls computer 1 and completes the Control & data acquisition to calibrating installation, and during calibration, calibrating installation is arranged on turntable 3, by using calibration steps to complete the calibration to point source/imaging complex target simulator 7.
The HWIL simulation IR point source of the present embodiment/imaging complex target calibration steps step as in figure 2 it is shown, its to implement process as follows:
1) infrared focal plane detector and infrared imaging camera lens being fixed on calibration tool, form 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 of rotary course mid-infrared focus planardetector output rotates together with turntable, the non-rotary point of existence anduniquess in whole visual field, this point is the datum mark of calibrating installation, i.e. completes the self calibration of calibrating installation after this point of labelling.
3) corresponding calibration steps is used 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 adjusting IR point source target, reach the purpose of optical axis calibrator.The signal of telecommunication of infrared focal plane detector output has corresponding relation with infrared radiation angle value, the energy size of the signal of telecommunication calibration IR point source target by obtaining；
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 adjusting imageable target is at datum, now completes the calibration of imageable target optical axis.The signal of telecommunication of infrared focal plane detector output has corresponding relation with infrared radiation angle value, the energy value of the signal of telecommunication calibration IR imaging target by obtaining.Adjusting IR imaging target energy uniformity, the value of electrical signals making each pixel of detector export is identical, completes the nonuniformity calibration of IR imaging target.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in the present invention.
Claims (5)
1. HWIL simulation IR point source/imaging complex target calibrating installation, including infrared imaging camera lens, it is characterised in that also include infrared focal plane detector, calibration tool；
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 controlling computer by cable, completes the calibration to target simulator.
2. HWIL simulation IR point source/imaging complex target calibration steps, it is characterised in that the method step includes:
1) infrared focal plane detector and infrared imaging camera lens being fixed on calibration tool, form 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 used to calibrate according to the pattern being calibrated target.
HWIL simulation IR point source the most 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 being driven it to rotate by turntable, the image of rotary course mid-infrared focus planardetector output rotates together with turntable, the non-rotary point of existence anduniquess in whole visual field, this point is the datum mark of calibrating installation, i.e. completes the self calibration of calibrating installation after this point of labelling.
HWIL simulation IR point source the most 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 adjusting IR point source target, reach the purpose of optical axis calibrator；The signal of telecommunication of infrared focal plane detector output has corresponding relation with infrared radiation angle value, the energy size of the signal of telecommunication calibration IR point source target by obtaining.
HWIL simulation IR point source the most 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 adjusting imageable target is at datum, now complete the calibration of imageable target optical axis, the signal of telecommunication of infrared focal plane detector output has corresponding relation with infrared radiation angle value, the energy value of the signal of telecommunication calibration IR imaging target by obtaining, adjust IR imaging target energy uniformity, the value of electrical signals making each pixel of detector export is identical, complete the nonuniformity calibration of IR imaging target.
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| 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 |
| CN106839877B (en) * | 2015-12-07 | 2018-08-24 | 上海机电工程研究所 | A kind of error compensating method of optics multiband complex target simulation system |
| CN106249315B (en) * | 2016-08-10 | 2018-08-03 | 上海机电工程研究所 | The calibration method of semi-matter simulating system multi-source target simulator pointing accuracy |
| CN109163609B (en) * | 2018-08-13 | 2020-12-22 | 上海机电工程研究所 | Calibration method for radio frequency-optical common-caliber composite target simulation system |
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| 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 |
| CN202452892U (en) * | 2011-12-30 | 2012-09-26 | 洛阳理工学院 | Motion analogue simulation system for infrared target |
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| EP0269843A3 (en) * | 1986-10-31 | 1990-05-23 | DIEHL GMBH & CO. | Checking device, especially for the homing head of intelligent guided ammunition |
| EP0327072A3 (en) * | 1988-02-04 | 1990-05-30 | 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 |
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