Title :
Influence of the TDI CCD camera takes pictures when high resolution satellite lateral swaying
Author :
Yang, Xiubin ; Zhong, Xing ; Jin, Guang ; Zhang, Liu ; Sun, Zhiyuan
Author_Institution :
Changchun Inst. of Opt., Fine Mech. & Phys., Chinese Acad. of Sci., Changchun, China
Abstract :
When the satellite was swinging and taking lateral imaging, the TDI CCD pixel photovoltaic charge purses transferred velocity not matched with the image motion velocity. According to the requirement of high-resolution satellite which was taking lateral imaging at a low orbit, the factors that bring about the unmatched phenomenon were analysed, inclusive of the Earth´s rotation, the Earth curvature, satellite attitude change , measurement error and the installation error, etc. Image motion errors caused by various factors were analysed and solved, and the different characters of image motion errors were synthesized. Finally, the total errors on the impact of imaging system MTF was analyzed.
Keywords :
CCD image sensors; artificial satellites; cameras; delays; optical transfer function; remote sensing; MTF; earth curvature; earth rotation; high resolution satellite lateral swaying; image motion error; image motion velocity; lateral imaging; measurement error; satellite attitude change; time delay and integration CCD camera; Charge coupled devices; Charge-coupled image sensors; High-resolution imaging; Image analysis; Low earth orbit satellites; Measurement errors; Motion analysis; Photovoltaic systems; Pixel; Solar power generation; MTF; TDI CCD camera; deviation angle; image motion; resolution;
Conference_Titel :
Mechatronics and Automation, 2009. ICMA 2009. International Conference on
Conference_Location :
Changchun
Print_ISBN :
978-1-4244-2692-8
Electronic_ISBN :
978-1-4244-2693-5
DOI :
10.1109/ICMA.2009.5246596
