提出了一种估计MC CD MA系统FFT起始时间偏差的新方法，采用连续训练序列来获得最初时间同步。

A new method to estimate the FFT block timing offset in the MCCDMA system is proposed. Consecutive training sequences are used to acquire the initial time synchronization.

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根据目前单点定位精度给起始点加上适当的坐标偏差，研究起始点坐标偏差对基线处理结果的影响。

Basing on current single point positioning precision, certain coordinate error is added into fixed points to study the result.

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