It can control and graduate sinusoidal curve and triangle wave curve by using axis servo valve.
通过采用轴伺服阀，可实时控制并产生正弦曲线和三角波形曲线。
The spectrum analysis and sine wave curve fitting are the most common methods used for ADC dynamic performance tests.
谱分析法和正弦拟合法是ADC动态特性测试的两种常用方法。
A subsection calibration method for microwave crystal diode detector using stationary wave curve is presented in the paper.
本文阐述了利用驻波法对微波晶体检波二极管进行分段定标的方法。
A four-parameter sine wave curve-fit method is intro - duced, which is based on the three-parameter sine wave curve-fit method and its an absolute convergent course.
介绍一种用三参数正弦波拟合算法实现的、绝对收敛的四参数最小二乘正弦波拟合算法，给出了其收敛区间、绝对收敛判据以及实现过程。
The uncertainty of evaluation results of delay between channels of linear measurement system by using the least mean square four-parameter sine-wave curve-fit method is described.
介绍了用正弦波拟合法评价测量系统通道间延迟时间差不确定度的分析和评定过程。
Objective: To introduce the design of a computer program of measuring the parameters of recorded wave curve for the Computerized Physiological parameter Recorder designed by the Department of Physics.
目的：介绍为物理教研室研制的计算机多导生理参数记录仪设计的波形曲线测量程序。
Resting on his board 75 yards from shore, he turned to watch his friend Brian Simpson glide under the curve of a near-perfect wave.
他在离海岸75码的地方在板上休息，转过去看他的朋友BrianSimpson在一个近乎完美的浪下滑行。
This article puts foward a "Secant One—wave Sine—shaped Transition Curve", whose deflection angles are of secant varlation.
同时，建立了反余弦一波正弦形缓和曲线的设置方法和计算公式。
Based on this, we tested and analyzed the energy relations of different rhythm wave, and got the dynamic energy distribution curve.
在此基础上测试并分析了不同节律波的能量关系，求得能量分布的动态曲线。
Based on the characteristics of wavelet transform, the wavelet Singularity Detection is used to locate the feature point and anomaly extension of the Rayleigh wave dispersion curve.
基于小波变换原理，利用小波分析中的奇异性检测方法来对瑞利波频散曲线的特征点和波动区段定位。
Rayleigh wave propagation and dispersive curve in single layers semi-infinite space model and three dimensional road embankment are studied comprehensively by using finite difference software FLAC3D.
笔者利用有限差分软件FLAC3D，对单层介质半无限大体和三维路基体的瑞利波传播特性以及频散曲线进行了数值模拟分析；
Let's now examine the simplest wave from where the profile is a sine or cosine curve.
现在让我们来考察最简单的波形，它的剖面图是正弦或余弦曲线。
Let's now examine the simplest wave form where the profile is a sine or cosine curve.
现在让我们来考察最简单的波形，它的剖面图是正弦或余弦曲线。
Visual field analysis is interfered by HM fundus dystrophy, also relationship with study curve, long wave motion and short wave motion.
视野分析要结合眼底情况，排除高度近视的影响因素，并注意初检者的学习曲线及视野的短期、长期波动特点。
This paper presents a method of characteristics to calculate the structure of the detonation wave in condensed explosive by the decay shock curve data obtained in the aquarium test.
提出了一种利用爆轰波垂直入射时水中冲击波的衰减曲线计算凝聚炸药爆轰波剖面的特征线方法。
Abgstract Through The analysis of measured low strain wave shape curve for pile foundation. The wave characteristics of shallow defeats in pile is shown.
通过对基桩低应变实测波形曲线的分析，说明桩身浅部存在缺陷的波形特征。
Further studies show that the horizontal vibration signal at the ground surface could also be used to get the R-wave dispersion curve.
本文研究结果还表明，地面水平振动信号也可以用来分析R波的弥散曲线和地基波速检测。
After the simulation of the well surrounded by two and three stratums, the two-dimensional spectrum is calculated while the curve of wave slowness changes with the frequency is drawn.
分别计算了井外有两层、三层介质时井内声波传播的二维谱，绘制了时差随频率的变化曲线。
For the geological property of Xihu Trough Area in the East China Sea, density and sound wave in the logging data is used to set up the wave impedance curve.
根据东海西湖凹陷地质特点，利用测井信息中的密度和声波建立波阻抗曲线。
Studied the theory about extracting Green Function's from ambient seismic noise, dispersion curve measurement and inversion, and surface wave tomography.
对从背景噪声提取格林函数的理论，频散曲线的测量和反演，以及面波层析成像的理论和方法进行了研究。
The expression of optic axial Angle and ray axial Angle on light wave plane can be obtained by using the curve equations of the wavefront of light wave and normal plane of light wave.
利用光波面和光波法线面的曲线方程，得出了光波面上光轴角和光线轴角的表达式。
By doing a simple underwater explosion experiment, we can gain pressure - time curve and parameters of the shock wave and com - pare them with values in theory.
再通过简易的水下爆炸试验，得到了冲击波的压力-时间历史曲线及其参数并与理论值作了比较。
The function curve of transmissivity of the wave filter was measured, and the result was in keeping with the theoretical value.
在实验中，对滤波器的透过率函数曲线进行了测量，得到的实验结果与理论值相吻合。
The numerical computation of Rayleigh wave found there are many modes in dispersion curve in the bedding media.
对瑞雷波频散方程的数值计算表明，层状介质中瑞雷波往往存在多种模式，多模频散曲线有什么特征。
Through analysis and inference, the writer finds out the feature equation of roller turn vibration yarn faults, and researches its wave spectrum, curve, fabric appearance characteristics.
本文通过分析推导，找出了罗拉扭振纱疵的特征方程，并就其波谱图、曲线图、布面外观特征进行了研究。
Whatever the straight line part of the stress-strain curve may be, it is always possible to find out the rock stress threshold by the peak value of the S-wave velocity.
试验结果表明：不论应力应变曲线上的直线部分是否明显，都可以用检测横波速度最大值的办法确定岩石的应力门槛值；
Based on the experiments of 1000 sets of concrete parts in room for a year, the relations formula and curve for concrete strength (r) and stress wave velocity (v) are determined.
本文依据一年来的室内1000组混凝土试件试验，率定出混凝土强度(r)与应力波速(V)相关公式及曲线，在工程检测精确计算中具一定的参考价值。
The current domestic and abroad research status is discussed firstly, and the guided wave mode and exciting method used in pipeline crack detection is determined by disperse curve and wave structure.
首先，介绍了管道导波检测技术国内外的研究现状，然后利用频散曲线和波结构确定了管道裂纹检测所用的导波模态及激励方式。
The phase delay can be calculated and the placement of the fast and slow axis of the wave plate can be marked after analyzing the curve.
分析实验曲线，可计算出波片的延迟量，同时也可确定波片快慢轴的方位。
As the research indicates, the structural parameters of the spiral curve slow-wave systems have complicated influence on its fundamental wave dispersion characteristics and coupling impedance.
研究结果表明，螺旋线慢波系统的结构参数对它的基波色散特性和耦合阻抗影响非常复杂。
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