With the gradually mature development of communication technology, as an important kind of multicarrier modulation technology,OFDM arises at the historic moment. This paper introduces the basic principle and performance of OFDM, analyses its main advantages, and describes its application prospect.%随着通信技术的逐步发展成熟，OFDM技术作为一种重要的多载波调制技术应运而生。本文详细介绍了OFDM技术的基本原理和特性，并对其主要优点做了系统分析，描述了其应用前景。
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