为了估计和补偿小数像素的偏移量，必须对图像信号进行内插。
In order to estimate and compensate fractional pel displacements, the image signal has to be interpolated.
内插处理执行部(18)根据所选择的插值函数进行内插处理。
An interpolation processing execution unit (18) performs interpolation processing according to the interpolation function selected.
文中把阵列流行内插宽带测向算法应用到均匀线阵上，并给出了求变换矩阵的另外两种方法。
This paper applies the array manifold interpolation wideband direction finding algorithm on uniform linear array, and gives other two methods of seeking transformation matrix.
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