最后，在分析和模拟波列及按SIWEH方法模拟波群以后，提出用试算法模拟波群。
Finally, the authors, after analyzing and simulating wave trains and reproducing wave groups by means of SIWEH method, put forward the trial-calc…
或者换句话说，脉宽调制是一种调制技术，为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
电力系统故障模拟与分析系统是一套集故障模拟、录波、分析等功能于一体的微机应用软件包。
Power System fault Simulation and Analysis System is a PCbased software package which includes fault simulating, data acquiring and analyzing.
本文介绍了一种用模拟和数字集成电路设计的跟腱反射波检测电路，具有结构简单，检测准确率较高的特点。
The detective circuit for achilles reflective wave using analog and PMOS digital integrated circuit is presented The circuit has the advantages of simple structure and high detecting accuracy.
用理论分析、数值模拟和实验测试的方法研究了自由锚杆和锚固锚杆中的波传播特性。
Characteristics of wave propagation in grouted rockbolt were investigated with numerical simulation, experimental measurement and theoretical analysis.
你会提出的波塞尔8权力工作作为你学习如何构成和位置的数字，模拟布，创建动态的发型，包括道具，人物动画，渲染场景，等等等等。
You'll put the power of Poser 8 to work as you learn how to pose and position figures, simulate cloth, create dynamic hair styles, incorporate props, animate figures, render scenes, and so much more.
分析和数值模拟了用瞬态简并四波混频实现光学啁啾反转的器件的主要参数对恢复信号波形和脉冲宽度能力的影响。
The influence of the principal parameters of optical chirp reversal devices on ability to restore signal wave form and pulse duration has been analysed and simulated.
我们在最后的结论中提出了一个构想：构造少数几个对数域电路基元，再利用电路基元来简化用于连续小波变换实现的模拟电路设计。
In the final conclusion, we propose a ideal: by constructing few cells of log-domain circuits we use these cells to simplify the design of analog circuits for implementation of the CWT.
第3章以概化的矩形河道为对象，采用一维涌潮数学模型对潮波进行模拟，对涌潮的成因作了分析研究。
Chapter 3 has analyzed the origin cause of tidal bore through simulating bore with one-dimensional bore model based on the ideal rectangle cross watercourse.
目的探讨高频正弦波振动对模拟失重条件下大鼠比目鱼肌萎缩的对抗作用。
Objective To study counteracting effects of high frequency vibration on simulated weightlessness-induced atrophy of soleus muscles in rats.
为了模拟薄膜声体波谐振器(FBAR)的电磁场(EM)分布特性，提出了一种新的FBAR建模方法。
For simulating the electromagnetic (EM) distribution of thin film bulk acoustic resonators (FBAR), a new FBAR modelling method was proposed.
通过模拟炮射击试验，验证了吸波材料强度参数设计的正确性，证明隐身榴弹的发射具有安全性。
The experimental results of simulated gun show that the design of ram strength parameters is right, and the stealthy projectile fired by artillery is safety.
提出了一种非均匀各向异性介质中弹性波传播的数值模拟算法。
A new numerical simulation algorithm is presented for the elastic wave propagation in heterogeneous anisotropic media.
给出了正交各向异性介质地层条件和椭圆井眼条件下波场模拟的结果。
The numerical simulate result of orthorhombic medium formation and elliptic borehole conditions are presented.
对于涌浪在无风下的传播，模拟结果合理，包括波参量及谱结构的变化。
Swell propagating in the absence of wind is simulated with reasonable results, including the change of wave parameters and spectral structures.
模拟数据的上行反射波成像剖面与地质模型吻合较好。
The images of the up-going waves of the simulated data fitted with the geology better.
介绍两种波群模拟方法及其在试验室里的应用。
This paper presents two simulation methods for wave group and gives their application in the laboratory.
对电路模拟吸波材料优于普通雷达吸波材料的原因进行了说明。
And the reasons of the properties of the circuit analogy absorber exceeding the ordinary radar absorbing materials were expatiated.
为模拟电磁波在自由空间的传输状态，研制了用于生物医学工程研究的大型专用微波暗室。
To simulate transmission conditions of EM wave in free space, the biomedical microwave anechoic chamber used for biomedical engineering research was developed.
最后用数学软件Maple对行波方程进行数值模拟，得到纽结波的平面模拟图。
Finally, the planar graphs of the traveling wave equation are simulated by using mathematical software MAPLE.
模拟计算了超短脉冲波场入射下其衍射层析的角分布与面分布。
The Angle distribution and plane distribution of the diffraction tomography with ultrashort pulse incident wave was simulated.
本文主要是通过波场数值正演模拟技术来研究粘弹性各向同性介质中地震波的传播问题。
In this paper, seismic wave propagation in viscoelastic isotropic media is mainly addressed by the technology of wave field numerical simulation.
本文阐述了电路模拟吸波材料的原理。
The principles of the circuit analogy absorber were explained.
与其他数值软件一样，用三维离散元程序(3dec)模拟应力波在节理岩体中的传播和衰减时，模型参数对模拟结果有很重要的影响。
Model parameters have the important effects on three-dimensional distinct element code (3dec) modeling of the stress wave propagation and attenuation in jointed rock masses as well as other codes.
在声波波动方程有限差分波场数值模拟中，由于计算模型的限制，导致很强的人为边界反射的产生。
In numerical wave simulation of finite difference for acoustic wave equation, due to the limitation of computer model, there inevitably exists strong artificial boundary reflection.
地下强爆炸波的数值模拟计算结果显示，所建模型是合理的和有效的。
The results of numerical simulations for underground explosion-induced wave indicate that the proposed model in this paper is effective and available.
为在实验室内模拟天然潮汐波，设计研制一种基于双向泵流量控制技术的潮汐模拟及其自动测控系统。
To simulate the natural tidal waves, a tide simulation system based on two-way water pump technique was (designed) and developed.
针对声电效应测井问题，提出了一种全波列数值模拟方法。
A numerical full-waveform simulation method is proposed to study the acoustoelectric well logging response.
应用湍流数学模型和流体体积法模拟孤立波翻越防波堤的流动和自由表面变化。
The free surface flow of a solitary wave overtopping an erect breakwater was simulated using turbulent model and the VOF method.
应用湍流数学模型和流体体积法模拟孤立波翻越防波堤的流动和自由表面变化。
The free surface flow of a solitary wave overtopping an erect breakwater was simulated using turbulent model and the VOF method.
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