基于OFDM传输技术的数字地面电视广播信号模糊函数的研究
Ambiguity Function of Digital Terrestrial TV Based on OFDM
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摘要: 该文对基于OFDM技术的数字电视地面广播信号的各种特性进行了深入的分析、研究, 重点讨论了采用OFDM信号做为非合作式照射源的双基地雷达探测系统的理论可行性。分析表明OFDM信号具有极好的模糊函数性能，是一种利用价值极高的非合作式照射源，对该雷达探测系统的进一步研究有一定的参考价值。Abstract: A comprehensive research on digital terrestrial TV signal based on OFDM is conduct, especially the theoretics feasibility of non-cooperative illumination using OFDM signal is analysed. It is shown that the ambiguity function of OFDM signal has good performance and OFDM signal is good for non-cooperative illumination. The result of this paper provide a theoretic foundation for the farther research of this kind of radar system.
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William Y Zou，Wu Yiyan. COFDM: An overview[J].IEEE Trans. on Broadcasting.1995, 41(1):1-8[2]林茂庸，柯又安. 雷达信号理论. 北京：国防工业出版社，1981, 第二章.[3]De Couasnon T，Monnier R，Rault J. OFDM for digital TV broadcasting[J].Signal Processing.1994,39(1-2):1-32[4]Schenk H O．A source of opportunity aided detecting and ranging design with direct broadcasting satellites，Proc.7rd IEE Intl. Conference on Antennas and Propagation，York，Apr.1991，PartⅡ：612-615. -
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