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Investigation of Water-sky-line Signal Processing in Astronomic Navigation System

TANG Hongyu~1,LIU Weiting~2(1.Zhenjiang College,Zhenjiang Jiangsu 212003,China;2.School of Electronics and Information,Jiangsu University of Science and Technology,Zhenjiang Jiangsu 212003,China)  
Astronomic navigation plays an important role in the ship navigation system.Due to the objective causes,ship may swing in navigation.Aiming at the problem of swing,the water-sky-line signal processing method based on the rough horizontal norm is investigated.Based on the multi-channel real time image processing windows of TDS642EVM,the automatic threshold division and wavelet transform are realized in the algorithm for edge detection.At last,all algorithms are programmed in the environment of CCS2.0.
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