中文摘要：

正交频分复用（Orthogonal Frequency Division Multiplexing,OFDM）雷达采用了OFDM信号,具有大时宽带宽积,且信号编码方式灵活,通过不同的波形设计准则,能够自适应调整信号子载频的系数,具备了认知雷达系统的基本特点。通过简要回顾OFDM雷达的发展历程,讨论了OFDM雷达信号特点、信号处理及波形设计方法等关键技术,对目前的研究成果进行了分析与总结,指出了存在的问题。讨论了OFDM雷达的未来发展方向。

英文摘要：

The Orthogonal Frequency Division Multiplexing（ OFDM） radar possesses broadband and wideband with the use of OFDM signal.By better utilizing the flexibility of coding and frequency diversities of the signal,the OFDM radar can be candidate cognitive radar in the future.This paper reviews the development of OFDM radar.Then the key technologies of signal processing and waveform design are discussed.The research advances are analyzed and summarized.At last,the prospects of OFDM radar are pointed out.