利用二维傅里叶变换进行方向滤波，较好地消除了南极地区影像上的条带噪声。
This paper presents a method that can remove streaking noise better by means of direction filtering based on two dimension Fourier transform.
提出了一种基于二维短时傅里叶变换的干涉相位图解缠方法。
A two-dimensional phase unwrapping approach based on two-dimensional windowed Fourier transform (WFT) is proposed.
本文对二维分布规则尺寸的激光在线测量进行了研究，提出了激光—傅里叶变换测量方法。
A new effective method with high precision for the on-line measurement of the averaged values of two-dimension regular sizes is described in this paper.
我们提出基于傅里叶模式估计的二维波前重建算法，利用最小二乘拟合原理，可以计算出待测波前的傅里叶变换系数，从而恢复原始波前。
In this paper a new algorithm based onFourier modal estimate is proposed to reconstruct the original wavefront by use of least-square fitting.
给出了频域抽取二维向量基快速傅里叶变换算法，针对二维频域信号采用频域抽取方法，导出了该快速算法蝶形运算的一般形式并给出了算法实现流程图。
In accordance with the requirements of high speed digital signal processing, the algorithm of radix-4 implemented with FPGA and the integrated architecture and butterfly unit are analyzed.
给出了频域抽取二维向量基快速傅里叶变换算法，针对二维频域信号采用频域抽取方法，导出了该快速算法蝶形运算的一般形式并给出了算法实现流程图。
In accordance with the requirements of high speed digital signal processing, the algorithm of radix-4 implemented with FPGA and the integrated architecture and butterfly unit are analyzed.
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