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An Improved Real-Signal IFFT Algorithm

DAI Le\+1, HUANG Shi?jia\+1, SUN Hua\+2 (1.Dept. of Aeronauical Electronics Engineering of the Engineering Institute, AFEU, Xi'an 710038, China; 2.Dept. of Electronics Engineering, Northwestern Polytechnical University, Xi'an 710072, China)  
Micro satellite with the characteristics of light weight, small volume, low power and strong function run in unmanned, low temperature, high radiant space environment. So on board computer system must hold such advantages as high integrated level, long service life, high reliability, strong anti radiation to meet the demand. This paper describes the on board computer system with advantage of cetralized and distributed system to stereo Mapping Micro Satellite, analyzes the reliability and elaborates the key techniqe improving the reliability.\;
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