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长春光学精密机械与... [38]
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会议论文 [38]
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内容类型:会议论文
专题:长春光学精密机械与物理研究所
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Medical image compressed sensing reconstruction
会议论文
2014 International Conference on Mechatronics Engineering and Computing Technology, ICMECT 2014, April 9, 2014 - April 10, 2014, Shanghai, China
Yan H. X.
;
Liu Y. J.
;
Sun Y. M.
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2015/04/27
Engineering analysis and research on connection plate of vehicle radar antenna pedestal (EI CONFERENCE)
会议论文
3rd International Conference on Frontiers of Manufacturing and Design Science, ICFMD 2012, December 11, 2012 - December 13, 2012, Hong kong
Chang F.
;
Li Y.
;
Yan D.
;
Sun H.
;
Wu Y.
;
Tian X.
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2013/03/25
According to the usage of vehicle radar antenna pedestal connection plate
this article analyzes and compares the structure characteristic of welding and casting. We decide to adopt the casting structure and use cast aluminium ZL101A. Based on the connection plate of using conditions
we analyze the deformation and stress of connection plate by the finite element analysis software. The design is in line with the material allowable requirements and to meet the requirements of the system stiffness. (2013) Trans Tech Publications
Switzerland.
Engineering analysis and research on connection plate of vehicle radar antenna pedestal
会议论文
3rd International Conference on Frontiers of Manufacturing and Design Science, ICFMD 2012, December 11, 2012 - December 13, 2012, Hong kong, December 11, 2012 - December 13, 2012
Chang F.
;
Li Y.
;
Yan D.
;
Sun H.
;
Wu Y.
;
Tian X.
收藏
  |  
浏览/下载:128/0
  |  
提交时间:2014/05/15
LIDAR based terrain slope detection on fractal based lunar surface modeling
会议论文
2013 4th International Conference on Intelligent Control and Information Processing, ICICIP 2013, June 9, 2013 - June 11, 2013, Beijing, China
Jiang X.
;
Sun X.
;
Han C.
;
Li X.
;
Zhao Y.
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2014/05/15
Laser interference nanolithography with a 405nm fiber semiconductor laser
会议论文
Asia Pacific Conference on Optics Manufacture 2012, APCOM 2012, August 26, 2012 - August 28, 2012, Changchun, China
Xu J.
;
Wang Z.
;
Weng Z.
;
Li Z.
;
Sun X.
;
Liu L.
;
Zhao L.
;
Yue Y.
;
Zhang J.
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2014/05/15
Robust trajectory tracking control of autonomous quad-rotor UAV based on double loop frame (EI CONFERENCE)
会议论文
2011 International Conference on Materials, Mechatronics and Automation, ICMMA 2011, January 15, 2011 - January 16, 2011, Melbourne, VIC, Australia
Hou Z. C.
;
Gong X.
;
Bai Y.
;
Tian Y. T.
;
Sun Q.
收藏
  |  
浏览/下载:19/0
  |  
提交时间:2013/03/25
This paper deals with the under-actuated characteristic of a quad-rotor unmanned aerial vehicle (UAV). By designing the double loop configuration
the autonomous trajectory tracking is realized. The model uncertainty
external disturbance and the senor noise are also taken into consideration. Then the H controller is put forward in the inner loop. An optimal stability augmentation control (SAC) method is used to stabilize the horizon position and keep it away from oscillation. By calculating the nonlinear decouple map
control quantity is converted to the speeds of the four rotors. At last some simulation results and the prototype implementation prove that the control method is effective.
Design of ground-based physical simulation system for satellite-borne TDI-CCD dynamic imaging
会议论文
2010
Sun Z. Y.
;
Zhang L.
;
Jin G. A.
;
Yang X. B.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2013/03/28
Design of high precision star image locating method used in star sensor technology (EI CONFERENCE)
会议论文
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
Zhang S.
;
Sun H.
;
Wang Y.
;
Jia X.
;
Chen H.
收藏
  |  
浏览/下载:50/0
  |  
提交时间:2013/03/25
Nowadays star sensor technology used in aircraft attitude measurement has become more and more popular for its high precision
light weight
without attitude accumulation errors and other advantages. In order to enhance the accuracy of star sensor
it is critical to make efforts to promote the precision of star image locating. High precision star image locating method mentioned in this article includes two aspects. One is sub-pixel dividing algorithm used to acquire the coordinate of stars. The other one is imaging calibration method used to weaken the effect caused by imaging distortion. This method is finally realized in some type of star sensor system. Then an experiment is designed to verify the precision of the method. The result of the experiment shows that the precision of the method is 2" in the experimental environment. 2010 IEEE.
Graph fitting test method for the interpolation error of Moire fringe (EI CONFERENCE)
会议论文
9th International Conference on Electronic Measurement and Instruments, ICEMI 2009, August 16, 2009 - August 19, 2009, Beijing, China
Wan Q.
;
Sun Y.
;
She R.
;
Liang L.
;
Lu X.
;
Du Y.
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2013/03/25
In order to realize the fast test for the interpolation error
the graph fitting test method for the interpolation error of Moire fringe is put forward in this paper. Firstly
the triangular wave Moire fringe photoelectric signal of the encoder whose phase difference is 90 are sampled to get the Lissajous graph of the two signals. Secondly
the single wave represented by the founded subsection function is used to fit the practical Moire fringe Lissajous graph. Then
the fitting result is tested to verify whether it satisfies the accuracy requirement. Lastly
the founded subsection function instead of the practical wave function is used to calculate the interpolation error. Using the graph fitting method to sample the Moire fringe single of 15-bits photoelectric encoder to get the interpolation error curve
the tested maximum interpolation error is 70" and the minimum error is - 69". Comparing with the interpolation error which is received from traditional test method
the change trend of the interpolation error curve is similar
and peak-peak value is almost equality. The results of experiment indicate that: the equipment is convenient and the examination method is efficient and feasible. The measure speed is fast and the manifestation result is intuitionistic. The system can be used in the working field. The method can avoid the speed influence and realize the dynamic interpolation error measure
which is significant for the research of encoder's dynamic accuracy characteristics. 2009 IEEE.
A novel design of liquid bio-chip based on biomolecules optical switch of upconversion fluorescence nanocrystal and quantum dots (EI CONFERENCE)
会议论文
2009 Asia Communications and Photonics Conference and Exhibition, ACP 2009, November 2, 2009 - November 6, 2009, Shanghai, China
Kong X.
;
Song K.
;
Sun Y.
;
Yu Y.
;
Liu X.
;
Zeng Q.
;
Zhang Y.
;
Du C.
;
Zhang H.
收藏
  |  
浏览/下载:21/0
  |  
提交时间:2013/03/25
A novel prototype liquid bio-chip based on molecules optical switch of upconversion fluorescence nanocrystal(UCP) as a donor attached with anti-BSA antibody and quantum dots(QDs) as an acceptor conjugated with antigen (BSA) was designed and constructed for a innovative element of liquid biochip used in BSA detection. 2009 Optical Society of America.
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