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长春光学精密机械与物... [4]
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会议论文 [2]
学位论文 [1]
期刊论文 [1]
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2014 [3]
2010 [1]
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专题:长春光学精密机械与物理研究所
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超声速前视共形光学系统图像复原方法研究
学位论文
博士: 中国科学院大学, 2014
朱瑞飞
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浏览/下载:40/0
  |  
提交时间:2014/08/21
Thermal noise analysis and correction of infrared conformal dome
期刊论文
Guangxue Xuebao/Acta Optica Sinica, 2014, 卷号: 34, 期号: 10
Wang C.
;
Chen J.
;
Wei Q.
;
Jia H.
;
Yu L.
;
Zhang T.
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浏览/下载:12/0
  |  
提交时间:2015/04/24
The effect of bionic V-ring surface on the aerodynamic noise of a circular cylinder
会议论文
4th International Conference of Bionic Engineering, ICBE 2013, August 13, 2013 - August 16, 2013, Nanjing, China
Shi L.
;
Wang W. Q.
;
Zhang C. C.
;
Wang J.
;
Ren L. Q.
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浏览/下载:19/0
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提交时间:2015/04/27
Modulation transfer function in seeker camera limits resulting from missile flutter caused by aerodynamic force (EI CONFERENCE)
会议论文
2010 2nd International Conference on Industrial Mechatronics and Automation, ICIMA 2010, May 30, 2010 - May 31, 2010, Wuhan, China
Ai X.
;
Zhang X.
;
Jiang Z.
;
Wei Q.
;
Jia H.
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浏览/下载:24/0
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提交时间:2013/03/25
The imaging quality of seeker in flight mode has been evaluated through analyzing the effects of missile flutter on optical modulation transfer function (MTF) of the optical system. Firstly the data of transverse vibration has been processed to eliminate the trend term caused by the trajectory
then obtained the displacement with two times trapezoidal integration. For the side rotation
the high frequency noise interference in the data has been filtered by using five-point moving average method. Took this model as the quivering rule between the object and the image
and then analyzed the effects of the transverse vibration and the side rotation on imaging quality through MTF. By calculation
the r.m.s value of the image motion caused by missile transverse vibration is 0.026mm
and the side rotation angle is 0.0044 . Through the establishment of two modulation transfer functions (MTF) of image random vibration and linear vibration
the results show that the image quality had declined
and the effect of transverse vibration on image quality is obvious. Through improving the rigidity of the missile and selection of small focal length optical system and shorten the time of exposure can improve the imaging quality of the seeker. 2010 IEEE.
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