基于OFDM傳輸技術(shù)的數(shù)字地面電視廣播信號(hào)模糊函數(shù)的研究
Ambiguity Function of Digital Terrestrial TV Based on OFDM
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摘要: 該文對(duì)基于OFDM技術(shù)的數(shù)字電視地面廣播信號(hào)的各種特性進(jìn)行了深入的分析、研究, 重點(diǎn)討論了采用OFDM信號(hào)做為非合作式照射源的雙基地雷達(dá)探測(cè)系統(tǒng)的理論可行性。分析表明OFDM信號(hào)具有極好的模糊函數(shù)性能，是一種利用價(jià)值極高的非合作式照射源，對(duì)該雷達(dá)探測(cè)系統(tǒng)的進(jìn)一步研究有一定的參考價(jià)值。
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關(guān)鍵詞:
- 雙基地雷達(dá);數(shù)字地面電視;OFDM;模糊函數(shù)
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. -
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. 雷達(dá)信號(hào)理論. 北京：國(guó)防工業(yè)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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