LINEAR CCD SUBPIXEL IMAGE CELL MEASUREMENT SYSTEM BASED ON DRIVING PULSE DELAY
Lu Jie 1, 2) ;Yang Boxiong 3) ;and Shi Yuhui 2)
1)Institute of Geophysics, CEA, Beijing 1000812)Institute of Seismology, CEA, Wuhan 4300713)State Key Laboratory of Information Engineering in Surveying，Mapping and Remote Sensing, Wuhan University, Wuhan\ 430079
Abstract Distance between the image cell and its lightsensing area of linear CCD cannot be much small，so it has restricted application in high precision measurement system. As the spatial information is able to be converted to the time information changing in one pulse unit by the design of interval precise delay driving pulse. It is proved that the limitation on accuracy of linear CCD image cell can be breakthrough effectively, and so the subpixel measuring can be achieved and detected by the displacement platform of high precise stepping motor.
Key words ：
linear CCD
driving pulse delay
subpixel measurement
pixel
high precision
Received: 01 January 1900
Corresponding Authors:
Lu Jie
Cite this article:
Lu Jie,Yang Boxiong ,and Shi Yuhui . LINEAR CCD SUBPIXEL IMAGE CELL MEASUREMENT SYSTEM BASED ON DRIVING PULSE DELAY[J]. , 2011, 31(3): 156-159.
Lu Jie,Yang Boxiong ,and Shi Yuhui . LINEAR CCD SUBPIXEL IMAGE CELL MEASUREMENT SYSTEM BASED ON DRIVING PULSE DELAY[J]. jgg, 2011, 31(3): 156-159.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/I3/156
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