A CGFFT algorithm for transformation from the near-field to the aperture-field;

The N = 2￣M FFT Algorithm for Decimation in Time;

PRECISE LASER WAVELENGTH DETERMINED BY FFT;

The Fast Fourier Transform Identifies the Frequency Responses of Mathematical Models in Discrete Time Domain;

The numerical simulation of diffraction based on fast Fourier transform;

The Realization of Fast Fourier Transform Based on FPGA in Laser Spectrum Detection;

Sampling theory conditions in fast Fourier transform(FFT) to calculate Collins formula are discussed.

The fast analysis method to deal with the large scale experiment data of the real ship in wave,including the valid data sampling,the data centering adjustment,the Fast Fourier Transform(FFT) and the statistics of the amplitude,has been researched.

It tests the speed of NVIDIA CUBLAS,CUDA kernel,common C program,Intel MKL BLAS,CUDA driver API program,FFTW and CUFFT Library in matrix-multiplication and Fast Fourier Transform(FFT).

Then the fast Fourier transform (FFT) is adopted to calculate the Fourier coefficients of the fundamental.

The Fast Fourier Transform (FFT), developed originally by Cooley and Tukey , is one of the Discrete Fourier Transform (DFT) algorithms .

All the transfer process can be implemented by calculation with fast Fourier transformation(FFT).

Based on the wave superposition technique and fast Fourier transformation (FFT), an improved method is presented to simulate three-dimensional relevant wind velocity time series for a mass of nodes of long span spatial structure.

The near field coupling can be computed by the traditional method of moments(MoM);while the impedance elements of far field coupling are characterized as a Toeplitz matrix by interpolating Green\'s function on a regular Cartesian grid,and the matrix-vector products are accelerated by fast Fourier transforms.