fast fourier transformation meaning in Chinese
快速傅里叶变换
快速傅里叶转换
Examples
- A fast fourier transformation based second order reliability method
基于傅立叶变换的变元可分离核函数的确定方法 - Fft fast fourier transformation
快速傅里叶变换 - Fast fourier transformation
快速傅里叶变换 - In the calculation of the transformation , the standard algorithms for fast fourier transformation ( fft ) can be applied to enhance the efficiency of the program
Fresnel变换是该程序的核心， fresnel变换中可以应用逆fourier变换，计算中可以利用快速傅立叶算法( fft )提高程序的执行效率。 - In this thesis , summarized the basic theories of fourier transformation and the fast fourier transformation that are generally adopted to detect and analyze the electric power harmonic in the electric power supply system . at the same time , summarized the even sample principle , the phenomenon of frequency mix , the window functions and the frequency leaking as so on , those are closely - related to sample from figure signal
简要阐述了电力系统谐波检测分析所普遍采用的傅利叶变换和快速傅利叶变换的基本理论以及与数字信号采样密切相关的均匀抽样定理、频谱混叠现象、窗函数和频谱泄漏等的基本理论。