分析更普遍适用的同塔四回输电线模型，对其相模变换方法进行计算分析。
A more generally applicable model of FPL and its PMT are also discussed.
提出了利用二次模变换计算同杆双回输电线路潜供电流与恢复电压稳态值的方法。
A new method for calculating secondary arc current and recovery voltage on double-circuit transmission lines by twice-model transformation was proposed.
利用线模电流的小波变换系数进行测距，不仅不受故障电阻的影响，也不受故障起始角的影响。
The location result is not influenced by fault resistance and inception Angle when wavelet transform coefficient of aerial mode current is used in fault location.
用傅里叶变换的方法分析了锁模激光器中模式间的相位和振幅涨落对锁模脉冲列特性的影响。
The Fourier transform method has been used to analyze the influence of modal amplitude and phase fluctuations in a mode-locked laser on performance of its output pulse.
利用小波变换系数的模值与信号奇异性指数之间的关系，从调频信号中提取出调制信号的频率。
Frequency of modulated signals is extracted from frequency-modulated signals by using the relationship between the modulus of wavelet transform coefficient and the singular exponent.
本文利用小波变换系数的模的平方值与信号奇异性指数之间的关系，从超声回波信号中提取出了胎儿的心率。
The fetal heart rate can be extracted from the returning signal of ultrasound by way of the connection between the modulus of the wavelet transform coefficient and the singular exponent.
为解决强杂波中红外弱点目标的检测问题，提出了基于小波变换模极值及其位相值的双特征检测算法。
Two features detection algorithm based on the wavelet transform modulus maxima and its phase angle is presented, to resolve the problem of weak infrared point targets detection.
利用小波变换模极大值和小波熵测度分别对其进行检测，对比表明，小波熵测度能更准确、实时地检测到各种暂态信号。
The contrast between wavelet transform maximal modulus and wavelet entropy shows that the latter is a better approach to detect transient signal accurately and timely.
基于小波变换的各个尺度上模极大值，本文深入研究了异常心电信号尤其是梗死发生时S - T段的检测。
Based on the modulus maxima at each scale of wavelet transform, this paper does a research into the detection of S-T segment of abnormal ECG, especially that of myocardial infarction.
为解决海空复杂背景下红外弱点目标的检测，提出了基于小波变换模极大的检测算法。
The new algorithm based on wavelet transform modulus maxima was presented to resolve the problem of weak infrared point targets detection under the complicated background of sea and sky.
本文采用分步傅立叶变换法求解耦合非线性薛定谔方程，对偏振模色散进行了数值模拟。
In this thesis the coupled nonlinear Schrodinger equation is solved by means of split-step Fourier transform.
本文定义了模的一种新的环变换，讨论了它的一些基本性质，并且给出了由诱导函子引起的环变换下的一个模的同构定理。
This paper defines a new transformation of modules, discusses some of its basic characteristics, and proposes a modular isomorphic theorem of the ring transformation caused by induced functors.
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。
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.
利用小波变换模极大值原理，提出了用小波变换尺度谱检测瞬态信号波至点的新方法，研究了其检测无噪声和有噪声条件下的瞬态信号的能力。
Based on the principle of modulus maximum, a new approach using scalogram of wavelet transform for transient signal, under noise free condition or noise condition separately, is described.
通过预处理滤除工频周期分量，消除了小波变换在信号峰值处的模极大值，从而避免了对故障的误判。
As wavelet module maxima occur at peaks of signal, the pretreatment removes power frequency periodic components from electric signal and thus avoids misjudgments of fault.
电流模pwm集成dc - DC变换器设计中，为了防止亚谐波振荡而普遍采用的斜坡补偿，会在占空比较大时严重影响芯片的带载能力。
In the design of current-mode PWM DC-DC converters, the slope compensation method widely used to prevent sub-harmonic oscillation can significantly weaken the load capacity under a high duty cycle.
在电力电子开关变换器数字化共模噪声抑制系统中，一个重要环节就是共模噪声的评估。
In the system of digitalized attenuation common-mode noise of switching mode converters, one of the keys is how to estimate the common-mode noise.
即语音前端声学处理法、正则相关分析的谱变换补偿方法和同模极点增加法。
They are acoustic front end processing, canonical correlation based on compensation method, and increase of poles method.
应用分式化方法刻画了唯一分解环上对称矩阵模的保持伴随函数的线性变换的形式。
By the fractional method, characterized the linear preservers of the adjoint function on the symmetric matrix module.
提出了一种基于电流模的开关电流技术取代基于电压模的开关电容技术实现连续小波变换的方法。
This paper proposed a method for the implementation of continuous wavelet-transform (CWT) using switched-current (si) technology, based on current mode and a substitute of switched-capacitor.
针对具有输入时滞、且同时具有非匹配不确定项的一类对象模型，采用状态变换法把原系统转化成为一个无时滞系统，并应用滑模控制的方法设计了控制器。
The state transformation is used to convert a system with uncertain and unmatched input time-delay into a delay-free one, with a sliding mode controller designed.
这种对偶变换的对称性不是超弦作用量的对称性，它是解的模空间的对称性。
The symmetry of the twisted dual is the symmetry of the moduli space.
本文基于数学样条理论提出了一种新的多尺度小波变换，通过其模极值或零交叉可以有效地提取信号的特征。
Based on the B-Spline theory, this paper present a new kind of multi-scale wavelet transform. The feature of a signal can be extracted in its maximum module or zero-crossing.
介绍Z形件几种弯曲高度的不同变换，以及换模快且多用等特点。
This article mainly introduces the features of different changes for several bending height of Z-shape parts, quick changes die and multiple use.
在论述了小波分析、信号奇异性与小波变换模极大值性质关系的基础上，本文给出了一种基于小波变换模极大值的信号去噪算法。
Based on the wavelet transform and the relation between signal singularity and wavelet transform modular maximum, a noise removal technique is discussed.
在电力电子开关变换器数字化共模噪声抑制系统中，一个重要环节就是共模噪声的评估。
In a digital common-mode noise attenuation system for switching power converters, one of the key issues is the estimation of common-mode noise.
通过对信号与噪声奇异性的分析，得出信号与噪声的小波变换模极大值在各个尺度上的表现截然相反的结论。
The singularities of signals and noises are investigated. A conclusion is drawn that the wavelet modulus maxima of signals have contrary behaviors from that of noises.
本文研究了一类多时滞分布参数系统的变结构控制问题，通过非奇线性变换建立了系统的滑动模运动方程，并分析了它的稳定性。
The variable structure control problems for a class of distributed parameter systems with several delays are investigated. The sliding mode equation is established and its stability is discussed.
传统二极管箝位变换器的电压变化率和共模电压较高，且波形谐波含量较大，使得输出滤波器的设计变得复杂。
Traditional diode-clamped converters have high voltage variation rate, common-mode voltage and harmonics, which make the design of its output filter complicated.
本文首次将滑模变结构控制应用于H型桥式DC-DC变换器、三相整流器和三相逆变器中。
SMVSC is firstly applied to H-model bridge DC-DC converter, three-phase rectifier and three-phase inverter in this paper.
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