The algorithms are extension of Fourier algorithm.
这些算法是富氏算法的推广。
The Fourier algorithm and its improved algorithm are emphasized.
重点分析了傅氏算法及其改进算法。
So it can take place of the traditional Fourier algorithm to calculate the coefficients of harmonics.
因而可以取代梯形算法来计算谐波系数。
The model is based on a modification to the smooth-earth parabolic equation, and uses the split-step Fourier algorithm.
以“热像”形成的衍射理论模型和分步傅里叶算法为基础,模拟研究了厚介质情况下“热像”的形成特点。
The decaying DC component is filtered in the Fourier algorithm, which improves data precision and simplifies hardware circuits.
并采用滤除衰减直流分量的傅氏算法,提高了数据精度、简化了硬件电路。
It can describe the whole process of Fourier algorithm vividly and makes the physical concept of Fourier Transformation more clear.
它能形象地描述富氏算法的整个过程,使得富立叶变换的物理概念比较清晰。
The decaying DC component in the sampling signal will bring errors to the full-wave Fourier algorithm, which is derived with periodic signal.
全波傅氏算法是基于周期信号推导出来的,当采样信号中含有衰减直流分量时,将会产生误差。
To shorten the time of calculating the full-wave Fourier algorithms and improve response time, it is necessary to use Fourier recursive algorithm.
为了缩短全波傅立叶算法的计算时间,提高响应速度,有必要采用递推实时算法。
This paper studies several sorts of improved Fourier algorithm in recent years, particularly analyzes the method of filtering decaying DC component.
对近年来提出的几种改进傅氏算法进行分类研究,着重分析了其滤除衰减直流分量的方法。
The recursive Fourier algorithm is used in frequency measuring to dynamically track the frequency change and real-timely adjust the sampling rate for fixed sampling points.
采用递推傅氏算法测频,动态跟踪频率变化,实时调整采样率进行定点采样;
The digital simulative results show its good performance of estimation. It is compared with differential equation model-based least square algorithm and all-ware Fourier algorithm.
通过数字仿真计算验证了改进后算法的优良估计性能,将之与基于微分方程模型的最小二乘法、全波傅里叶算法作了比较。
Mainly, FFT algorithm and full-wave Fourier algorithm are discussed. Calculation of active power and imaginary power is researched. Parameter selection of filtration and calculation of are attained.
主要就快速傅里叶变换算法、全波傅氏算法以及有功功率、无功功率的计算、滤波的参数选取、谐波的计算进行了讨论。
Because of the limitation of theory, Fourier algorithm is unable to filtering the periodic component, and especially poor in restraining decaying DC component which is common in current malfunction.
由于傅氏算法原理上的局限,它不能完全滤除非周期分量,尤其对电流故障中常见的衰减直流分量的抑制能力很差。
Currently, a number of methods proposed for calculating the phasors of harmonic components of signals using the Fourier algorithm seem to make electrical engineers puzzled as to which to choose from.
目前有多种采用傅里叶算法求取信号谐波分量相量值的方法,使得工程技术人员无从选择。
Fast Fourier transformation is an effective, practical DFT algorithm.
快速傅立叶变换是一种有效、实用的信号DFT算法。
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。
One is the fast Fourier transform (FFT) accelerated algorithm.
一种是快速傅立叶变换(FFT)加速算法。
A new watermarking detecting algorithm which resists geometric distortion is proposed, based on Fourier-Mellin transform and phase correlation features.
基于傅里叶-梅林变换特性和相位相关性,提出了一种新的抗几何失真数字水印算法。
It is an approximate algorithm of continuous Fourier transform in which some approaching functions of segments are approximately used instead of continuous functions.
它是一种用分段逼近函数近似代替连续函数,作连续傅氏变换的近似算法。
So a new algorithm with rectangle loops Fourier spectral energy percentage is proposed by analyzing the conjugate symmetry of Fourier transform.
因此,根据傅里叶变换的共轭对称性,提出了更具有一般性的长方环傅里叶周向谱能量百分比新算法。
An audio watermark embedding algorithm based on Fourier domain is proposed.
提出了一种基于傅立叶域的音频水印嵌入算法。
A new algorithm which performs Fourier transform smoothing has been presented and applied to data of staircase voltammetry.
本文提出一种新的富里叶变换平滑算法并应用于处理阶梯扫描伏安法的实验数据。
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。
These DOEs are designed with the cascaded iterative Fourier transform(CIFT)algorithm.
这些衍射元件可通过级联迭代傅里叶变化算法设计。
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。
In this paper we discuss the mechanism of using Fourier transform on texture identification and then suggest a texture image segmentation algorithm based on Fourier transform.
讨论了傅氏变换应用于纹理识别的机理,并基于此提出了一种图象分割算法。
In this paper, a current control algorithm using Fourier series coefficients is proposed. This algorithm can minimize torque ripple obviously.
文中提出应用傅立叶级数系数的电流控制算法,能明显减少转矩波动。
Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.
快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法,但当输入信号中含有衰减直流分量时,FFT算法会产生较大的误差。
Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.
快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法,但当输入信号中含有衰减直流分量时,FFT算法会产生较大的误差。
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