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A New Rapid Acquisition Scheme of DSSS Signal in the Presence of Doppler Shift

作     者:Ding Sheng Jiang Quanjiang Liang Xuwen 

作者机构:Shanghai Engineering Center for Microsatellites Shanghai 200050 China Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences Shanghai 200050 China 

出 版 物:《Procedia Engineering》 

年 卷 期:2012年第29卷

页      面:2337-2341页

学科分类:12[管理学] 1201[管理学-管理科学与工程(可授管理学、工学学位)] 08[工学] 

主  题:Acquisition Direct-sequence spread-spectrum (DSSS) Partial correlation Frequency sweeping Doppler shift 

摘      要:As a novel rapid acquisition scheme, the partial correlation with frequency sweeping (PC-FS) method is proposed for acquisition of direct-sequence spread-spectrum (DSSS) signal in the presence of Doppler shift. The output performance of the PC-FS scheme is analyzed and a hardware structure which can largely accelerate the synchronization process is designed. Application results show that new acquisition scheme can provide a significant improvement in flexibility and efficiency over the PMF-FFT method.

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