One is the fast Fourier transform (FFT) accelerated algorithm.
一种是快速傅立叶变换(FFT)加速算法。
Fast Fourier Transform (FFT) is an effective method to detect harmonic.
快速付立叶变换(FFT)是对谐波进行检测的有效方法。
The mathematical means of discrete Fast Fourier Transform is used in signal processing.
采用快速离散富里叶变换处理信号；
This paper introduces the Fast Fourier Transform(FFT) implementation in fixed-point DSP TMS320C5402.
论述了采用定点数字信号处理（DSP）芯片TMS320C5402实现快速傅里叶变换（FFT）。
Basic theory of spectrum analysis and Fast Fourier Transform (FFT) algorithm are briefly introduced.
简介了频谱分析的基础理论和快速傅利叶变换(FFT)算法。
Fast Fourier Transform (FFT) is a kind of fast computation method of Discrete Fourier Transform (DFT).
快速傅里叶变换(FFT)是离散傅里叶变换(DFT)的快速算法。
According to the characteristics of laser Doppler signal, using the fast Fourier transform to deal with the Doppler signal.
本文利用快速傅里叶变换进行激光多普勒信号处理。
Fast Fourier transform has been applied for computing the cross-correlation of seismic surface waves for records at two stations.
应用了快速傅氏变换计算两个台记录的地震面波的互相关函数。
Based on the fast Fourier transform (FFT) algorithm, the wave-front reconstruction algorithm of Shack-Hartmann sensor is described.
提出了一种应用快速傅里叶变换算法提高哈特曼夏克波前传感器波前重构实时性的快速算法。
The error of the decimate in time (DIT) radix-2 fast Fourier transform (FFT) is analyzed, where the data format is two's complement.
分析了按时间抽取（DIT）基-2快速傅里叶变换（FFT）的误差，数据格式为二进制补码。
The conjugate gradient method (CGM) and fast Fourier transform (FFT) technique are used to reduce the necessary memory and CPU time.
在求解过程中应用共轭梯度法(CGM)和快速傅立叶变换(FFT)相结合的方法降低所需计算机内存和CPU时间。
The Fast Fourier Transform (FFT) is one of the most important algorithm of real-time signal processing. It's widely used in EW receivers.
FFT是电子战接收机信号处理的关键算法之一，在数字EW 接收机中有着广泛的应用前景。
An implicit method is employed in solving diffusion term and projection term, such as Gauss-Seidel iteration method, Fast Fourier Transform.
在求解扩散项和投影项时，采用隐式的求解方法，例如高斯—塞德尔迭代法、快速傅里叶变换。
With the Fast Fourier Transform (FFT) algorithm in software design, capacitors being switched on or off are controlled by compound criterion.
在软件设计中，以快速傅立叶变换算法(FFT)为基础，采用复合控制方法控制电容器的投切。
Fast Fourier Transform (FFT) is inevitable to cause the spectrum leakage and fence effect because of truncation and discreteness in signal collection.
采用快速傅立叶变换(FFT)进行电力系统谐波分析时，需要对采样信号截断并离散化，从而导致频谱泄漏和栅栏效应。
Discrete fast Fourier transform (FFT) has been widely applied to signal spectral analysis and can figure out the entire bandwidth spectrum of a signal.
离散快速傅里叶变换算法在频谱分析中得到了广泛的应用，这种算法得到的计算结果是在整个频段上的频谱信息。
The magnetic field sensitivity data are obtained by recording the response of the magnetometer for about 40s, performing a fast Fourier transform (FFT).
通过对磁力仪进行大约40秒的响应度记录并做一个快速傅立叶变换(FFT)，获得了它的磁场灵敏度数据。
After analysing the character of Fourier transform, using 3 level symmetry of Fourier Kernel as a new algorithm for fast Fourier transform was proposed.
在分析傅立叶变换特性的基础上，利用傅立叶变换核的三阶对称性，给出了一种快速傅立叶变换算法。
A cross correlation algorithm based on Fast Fourier Transform (FFT) for Digital Particle Image Velocimetry (DPIV) is discussed thoroughly in this paper.
详细研究了基于快速傅立叶变换(FFT)的数字粒子图象测速技术(DPIV)的互相关算法。
On the basis of the features of the Fast Fourier Transform (FFT) and digitally modulated signals, this paper proposes a blind channel estimation algorithm.
根据快速傅里叶变换(FFT)和数字信号调制解调的特点，给出了一种盲信道质量估计算法。
RS encoder in DVB-S and some classical decoding algorithms are introduced, then some Fast Fourier Transform (FFT) algorithms in finite domain are presented.
本文介绍了DVB - S中RS码的编码及常用的译码算法，然后又介绍了几种有限域中快速傅里叶变换(FFT)算法。
Meanwhile, data of complete time domain waveform is needed in order to calculate accurate S-parameters of frequency domain via fast Fourier transform (FFT).
而要通过快速傅立叶变换(FFT)获得准确的频域参数，又必须得到完整的时域波形数据。
The normalized full gradient and phase of gravity anomalies have been studied by potential field conversion and fast Fourier transform in wave-number domain.
用波数域的位场转换和快速傅立叶变换理论研究重力归一化总梯度和归一化相位；
Finally, the software design process, the design focus is: Fast Fourier Transform in the realization of fixed-point DSP, and gives the corresponding results.
最后，对软件程序的进行设计，设计的重点是：快速傅立叶变换在定点DSP上的实现，并给出相应的实验结果。
By using the fast Fourier transform and optimized filter, the impact of image noise has been reduced, so we can estimate the correlation peak fast and accurate.
通过采取快速傅立叶变换以及优化滤波减弱了图像噪声对相关波峰的影响，能快速、准确、实时的对相关点进行定位。
Since the sensitivity of nonuniform coupled transmission lines with nonlinear loads is hard to analyze, a new method based on fast Fourier transform is proposed.
针对具有非线性负载的非均匀耦合传输线瞬态响应灵敏度分析困难的问题，提出了一种采用快速傅里叶变换的灵敏度分析方法——傅里叶变换法。
Spatial and temporal frequency tuning characteristics of the pattern electroretinogram (PERG) were analysed by means of the fast Fourier transform (FFT)technique.
用快速傅里叶转换（FFT）技术分析了图形视网膜电图（PERG）的空间和时间调谐特性。
Since the Fast Fourier Transform (FFT) was presented, the harmonics measurement based on Fourier Transform which requires synchronous sampling has been used widely.
自提出快速傅里叶变换算法(FFT)以来，基于傅里叶变换的谐波测量便得到了广泛应用。
In addition to the DFT, which is usually implemented as the FFT, or fast Fourier transform, you may also want to read about the STFT (short-time Fourier transform).
此外，DFT，这通常是由于FFT实现，或快速傅里叶变换，你可能还想阅读有关的STFT(短时傅里叶变换)。
The radix-2 decimation-in-time algorithm based on 16-bit fixed-point operation and pipeline architecture are adopted in the core module IFFT(Inverse Fast Fourier Transform).
核心模块快速傅立叶逆变换（IFFT）采用基于16位定点运算的基-2时间抽取算法和流水线结构。
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