But OFDM is very sensitive to synchronization error, especially the symbol synchronization error.
但是OFDM对同步误差十分敏感，特别是符号同步误差。
The main contents of this dissertation are as follows: Chapter 2 investigates the symbol synchronization acquisition-aiding method with larger symbol rate offset.
全文的主要内容如下：第二章研究了大符号率偏差情况下的辅助符号同步捕获方法。
The OFDM is sensitive to the synchronization of the OFDM symbol and the carriers' frequency excursion.
OFDM系统存在对数据符号同步和载波频率偏移极为敏感的问题。
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