fast Fourier transform
英
美 [fæst ˈfʊrieɪ trænsˈfɔːrm]
快速傅里叶变换
双语例句
- Meschach computes Fast Fourier Transforms, extracts columns and rows, and computes eigenvalues of symmetric matrices.
Meschach能计算快速傅立叶变换（FastFourierTransform）、提取列和行以及计算对称矩阵的特征值。 - The Realization of Fast Fourier Transform Based on FPGA in Laser Spectrum Detection;
针对电大散射问题，提出了一种基于快速傅里叶变换的新算法。 - 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。 - Fast Fourier transform algorithm for the combined integral equation to solve electrically large scattering problems
电大散射问题的复合场积分方程快速傅里叶变换算法 - 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。 - Some applications of the fast Fourier transform to the polynomial calculation.
多项式计算当中快速傅立叶变换的应用。 - Discrete Wavelet Transform Algorithm-Based on Fast Fourier Transform Algorithm
一种基于FFT计算离散小波变换的方法 - 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。 - Protein Structure Similarity Comparison Using Fast Fourier Transform
基于快速傅里叶变换的蛋白质结构相似性比较 - Data acquisition and fast Fourier transform based on fixed-point DSP
基于定点DSP芯片的数据采集和快速傅里叶变换 - Harmonic Analysis of Power Grid Based on Wavelet Transform and Fast Fourier Transform
基于小波变换和快速傅立叶变换的电网谐波分析 - Continuum Based Fast Fourier Transform Processing of Infrared Spectrum
基于连续统快速傅里叶变换的红外光谱处理技术 - The fast Fourier transform algorithm for the production of the permutation factor circulant matrices;
给出了一类置换因子循环线性系统求解的一种快速算法。 - Compensation of springback based on improved fast Fourier transform
一种基于改进傅里叶变换的回弹补偿算法研究 - Simulation Analysis of Pavement Evenness Based on Inverse Fast Fourier Transform
基于快速傅里叶逆变换的路面平整度仿真分析 - In order to improve the operation tempo of Hilbert transform, this paper recomposed the primary operation method on the basis of FFT ( Fast Fourier Transform Algorithm).
为了实现希尔伯特变换的快速计算，本文以FFT快速傅里叶变换为基础，对原算法进行了改进。 - Fast Pseudo-Code Acquisition Method Based on Match Filter and Fast Fourier Transform and Performance Analysis
基于匹配滤波器与FFT的伪码快速捕获方法及性能分析 - This paper mainly describes the applicability of fast fourier transform ( FFT) deconvolution technique, which is used in assessing the residence time distribution ( RTD) of reactors.
本文系统研究了快速傅里叶解卷积技术对于反应器停留时间分布求解问题的适用性。 - Research on Reverse Engineering Based on k-Neighborhood and Fast Fourier Transform
基于k-邻域和快速傅立叶的逆向工程研究 - Implementation of High Speed Fixed-piont Fast Fourier Transform Algorithm Based on FPGA
基于FPGA的高速定点FFT算法的实现 - The frequency-domain spectra were obtained by fast Fourier transform ( FFT). The spectral response and the dispersive relationship of refractive index in THz spectral range were obtained.
测量了它们的时间分辨光谱，通过傅里叶变换获得了它们的频谱，从而得到了频谱响应和折射率色散关系。 - A multi-dimensional vector radix Fast Fourier Transform ( FFT) algorithm with Decimation In Frequency ( DIF) was proposed.
给出了频域抽取（DIF）多维向量基快速傅里叶变换（FFT）算法。 - On the one hand, cross-correlation function is used for time-delay identification; Fast Fourier Transform and its inverse transform are applied to improve the computational efficiency.
该算法一方面采用互相关函数来辨识滞后时间，并引进了快速傅里叶变换及其反变换，提高了计算效率； - Aiming at the acquisition problem of direct sequence spread-spectrum ( DSSS) signals with large Doppler offset, a new method based on fast Fourier transform ( FFT) is proposed.
针对具有大多普勒偏移的直接序列扩频信号捕获问题，提出一种基于快速傅里叶变换（FFT）的多普勒和伪码分别并行搜索的捕获新方法。 - The polar coordinate and Fast Fourier Transform ( FFT) method are introduced to determine the invariant features of the transformed matrix.
引入极坐标变换和快速傅里叶变换相结合的方法，确定变换后的不变特征矩阵； - To solve the problem of large resource consume of satellite navigation P code direct acquisition, a method based on TDMA and partial matched filter bank with Fast Fourier Transform ( FFT) is presented.
针对卫星导航P码直捕运算量大、消耗硬件资源大的问题，提出了一种基于TDMA思想的P码直捕方法。 - The other is the study of real-time correlation using MSF. Fast Pseudo-Code Acquisition Method Based on Match Filter and Fast Fourier Transform and Performance Analysis
另一方面是利用匹配滤波器的方法进行实时相关研究。基于匹配滤波器与FFT的伪码快速捕获方法及性能分析 - The application of fast Fourier transform in the noise smoothing of weak Raman spectrum
快速傅里叶变换在喇曼光谱信号噪声平滑中的应用 - Application of Fast Fourier Transform Method for Noise Smoothing and Determination of Weak Chromatographic Signal
快速傅立叶变换用于色谱噪声平滑及微弱信号的检测 - Frequency spectra of Tianzhu earthquake sequence are analysed by using the fast fourier transform and the maximum entropy spectrum methods and results by the two methods are compared.
利用最大熵谱法和快速傅里叶变换分别对天祝地震序列频谱进行了分析，并对分析结果进行了比较。