The decrease of the drain-source voltage or bus voltage affects the entire spectrum evenly according to Fourier theory.
降低漏源极直流母线电压影响干扰信号按傅立叶展开式的全部频带。
A lot of grating messages including its profile can be derived from diffraction spectrum of grating according to Fourier optical theory.
根据傅立叶光学理论从光栅的衍射频谱中可以反推光栅本身的多种信息，包括其形貌特征。
The analysis based on theory of Fourier optics is in accordance with the results of experiment.
建立在付立叶光学理论基础上的分析与实验结果是一致的。
The analysis based on the Fourier optical theory is coherent with the experimental results.
建立在傅立叶光学理论基础上的分析与实验结果是一致的。
Based on SPWM basic principle and Fourier series theory, the mathematical model of output waveform of SPWM voltage source inverter is built.
根据SPWM的基本原理与付立叶级数理论，建立了SPWM电压型逆变器输出波形的数学模型。
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。
The design and theory analysis were proposed for possible recording sy-stems of transmission Fourier holograms and the possible applications of Fourier holograms were discussed.
本文对透射式傅里叶变换全息图的可能记录系统进行了设计和理论分析，并指出它们可能的应用。
In the theory of the system, the tools of Fourier analysis or Fourier transform enable us to analyze the response of a LTI system, such as a circuit, to such sinusoidal inputs.
在系统理论中，付里叶分析与付里叶变换的工具使我们能够对一个线性时不变系统在正弦激励下的响应进行分析，比如一个电路对正弦输入下的响应。
In order to improve the convergence rate, a correct Fourier expand method was introduced to differential theory of the finite conductivity diffraction grating.
在有限电导率光栅的微分理论中引入校正傅里叶展开方法，改善了计算收敛性。
The theory of multiple input-output frequency response functions estimation is studied based on the finite Fourier transform.
以有限富氏变换为基础，研究多输入-多输出频响函数估计的一般原理。
The resonance equation of the sampled fiber Bragg gratings is derived through the Fourier′s transform and the coupled-mode theory, which determine the wavelengths of the resonance peaks.
利用傅里叶变换和耦合模理论得到了取样布拉格光纤光栅的谐振方程，确定了其多谐振峰的位置。
Based on the prime radix DFT and number theory, an algorithm using the second order recursive filter and the zero factor prime radix Fourier Transform (ZFT) is presented.
从素基数DFT出发，应用数论理论讨论了一种应用二阶递归滤波结构的算法及零因子转换算法(ZFT)。
From the theory of Fourier optics, the principle and the manufacture of spatial matched filtering and the processing of input signal will be discussed.
从付里叶光学理论出发，描述空间匹配滤波器的原理、制作，以及输入信号的处理。
Based on the Fourier-Fraunhofer holography, the composed rainbow hologram have been discussed in theory, and made successfully the composed rainbow hologram.
本文在付里叶—夫琅和费全息术基础上，对合成彩虹全息图的制作进行了理论推导，并成功的制作了合成彩虹全息图。
In this paper three-dimensional object field can be transformed into three-dimensional image field by the 4f Fourier lens system according to the theory and experiment.
本文从理论和实验上应用4F富里叶变换透镜系统，把三维物场转换为三维象场。
Mathematical representations for three kinds of reconstruction algorithms (Fresnel integral, convolution and Fourier transform) of digital hologram are deduced based on the diffraction theory.
在衍射理论基础上详细推导了三种再现算法(菲涅耳积分变换法、卷积法、傅立叶变换法)的数学表示。
In our new method, an earthquake‐like sound is generated by modifying the frequency information of a generating function based on the symmetric Fourier analysis theory.
这种类似地震的声音是通过修改基于对称傅里叶分析理论生成函数频率信息而生成的。
The single rectangular pulse is a typical signal in Fourier transform, which plays an important role in signal spectrum theory.
矩形窗函数是傅立叶变换中的一个典型信号，它在信号频谱理论中占有重要地位。
In traditional theory of signal and system, the relationship between single side Laplace transformation and Fourier transformation exists faults. The theory from this paper overcomes these faults.
在传统的信号与系统理论中，单边拉氏变换和傅氏变换关系存在瑕疵。文中给出的单边拉氏变换和傅氏变换关系的理论克服了传统理论的瑕疵。
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。
In traditional theory of signal and system, the relationship between single side Laplace transformation and Fourier transformation exists faults.
在传统的信号与系统理论中，单边拉氏变换和傅氏变换关系存在瑕疵。
The new phenomenon of 3ccd irradiated by laser was illustrated by the theory of Fourier optics. In the mean time, the new phenomenon was calculated by using numerical simulation.
利用傅里叶光学的成像原理解释了激光辐照3ccd的新现象，并通过数值模拟的方法模拟了激光辐照3ccd的新现象。
In accordance with the requirements of a real-time spectral detection system, the Fourier transform spectral theory is utilized to obtain the spectral information to be detected.
根据实时光谱探测系统，拟采用傅里叶变换光谱理论获取侍测光谱信息。
Based on the modulation theory and the Fourier analysis of switch function, the mechanism of interhamonics in source side is analyzed with an example of CSI and a simple model is established.
为了提高网络化制造中企业间业务流程组合的灵活性及重用性，提出了一种业务流程重用组合机制，利用协调理论构建了重用组合机制功能结构，并结合面向方面技术建立了该机制的实现方法。
How does jitter frequency reduce EMI from the viewpoint of fourier series theory and the transient electromagnetic field theory is investigated.
从傅氏级数及空间交变电磁场的角度对采用抖频技术如何来减小EMI进行了分析。
The Green's functions for electric and magnetic vector potentials in a sectoral wave guide and its cavity are derivated by using the separation of variables, Fourier transform and residue theory.
文中介绍了扇面直波导及其腔体中电矢量位和磁矢量位的格林函数，采用分离变量法、傅里叶变换法和留数定理导出了格林函数的具体表达式。
The method is based on the theory of Fourier transform and linear system, and can provide a quantified standard for lens measurement.
给出了实际物镜的检测结果，并与物镜的设计参量进行了比较，同时对影响系统测量精度的一些因素进行了分析。
As is well known to everybody, the Fourier transformation is a validly mathematical tool in the research of wave theory and the revelation of its essence.
众所周知，傅氏变换是研究物理波动现象、揭露其本质的一种有力的数学工具。
As is well known to everybody, the Fourier transformation is a validly mathematical tool in the research of wave theory and the revelation of its essence.
众所周知，傅氏变换是研究物理波动现象、揭露其本质的一种有力的数学工具。
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