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 system model is introduced and the probability of error in receiver as a function of symbol synchronization error is deduced.
给出了该系统模型，推导了PAM通信系统符号同步误差对收端误码率的影响。
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