中文摘要：

正交频分复用（OFDM）雷达是近些年才提出的一种新体制雷达，它借鉴了通信系统中正交多载频的原理，相比于传统雷达，具有一些独特的优势。该文系统地介绍了 OFDM 雷达的特点，全面梳理了国内外关于 OFDM新体制雷达研究的文献，总结了信号特性与波形设计、信号处理、新体制雷达系统等几个重点方向的研究进展，并分析了OFDM雷达未来的几个发展趋势和应用前景。

英文摘要：

Orthogonal Frequency Division Multiplexing （OFDM） radar is a newly developed radar system, which uses the OFDM principle in communication systems, and has some unique advantages over traditional radar systems. This paper formulates the characteristics of OFDM radar, reviews thoroughly the Literatures on OFDM new radar system, summarizes the research achievements in the key research directions of signal properties and waveform design, signal processing, and new radar system, and finally analyzes the future development tendencies and application prospects of OFDM radar.