But it is sensitive to synchronization error, and especially the frequency synchronization error.

但是OFDM对同步误差十分敏感，特别是对于频率同步误差。

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However OFDM and MIMO OFDM systems are very sensitive to time and frequency synchronization errors, especially the frequency synchronization error.

但OFDM系统和MIMO OFDM系统对时间和频率同步误差很敏感，特别是频率同步误差。

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Phase errors is introduced in echo demodulation process because of the frequency synchronization error, and then, the final focus result will be deteriorated.

在接收端解调过程中，该频率同步误差会引入一定的相位误差，进而影响下一步的成像处理。

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