该方法使用了时频同步跟踪环路，从数据子载波提取相位误差，并利用频域插值补偿多个用户的估计频偏。
The system uses time-frequency tracking loops to extract phase errors from data subcarriers with frequency interpolation to compensate for the estimated carrier frequency offsets.
根据参考频率下基阵的权系数与其它子带权系数之间的关系，利用DFT插值的方法求出其它子带的加权系数。
By employing the relationship between weights at reference frequency and weights at other frequency, weights at other frequency can be obtained by using DFT interpolation method.
采用分片双线性插值的空间离散方案，经解析处理，子域上的积分能得到闭式结果。
In space discretization, a piecewise bilinear interpolation is used. THe integrals over patches are carried out analytically in closed form.
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