的快速傅里叶变换算法 Fast Fourier Transform ; FFT
快速傅里叶变换算法 fast Fourier transform ; fft algorithm
快速分步傅里叶算法 split-step fast Fourier transform
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在满足实时成像和一定分辨率的条件下，分析了系统对运算速度的要求，提出了一种改进的快速傅里叶算法及其实现方法。
Under the conditions of meeting the real time imaging and given resolution, the algorithmic speed required by the system is analyzed. And an improved FFT algorithm and its implementation are given.
本文提出一种无需滤波处理的调频条纹分析算法，该算法与傅里叶技术相比具有省时、便于进行快速、实时位相测量等优点。
A new algorithm of analysing FM (frequency modulation) interferogram is described. Compared with the Fourier method, it is time saving and suitable for real-time calculation.
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