摘要：OFDM技术的基本思想是将所要传输的数据流分解成多个比特流,每个子数据流具有更低的传输比特速率,并且用这些数据流去并行调制多个载波.文章介绍了OFDM技术的提出、发展过程、基本原理以及系统实现中的关键技术,最后介绍了OFDM系统的优缺点及实际应用和今后发展.
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