此外，一个粗略的正弦曲线图表可以在每天或每年的平均每日温度平面图表中看到，虽然这个图形可能和倒置的余弦波看起来很像。
Also, a rough sinusoidal pattern can be seen in plotting average daily temperatures for each day of the year, although the graph may resemble an inverted cosine wave.
例如，让我们考虑一下正弦波，也即正弦曲线这样一个描述平稳反复振荡的数学函数。
For instance, let's consider the sine wave, or sinusoid, a mathematical function that describes a smooth repetitive oscillation.
在过去十八年的每个月中，马西博士都会接受恒星“55Cancri A”发出的讯号。逐渐地，“正弦波”曲线出现明显的分离。
Every month for the past 18 years, he has tuned in to the signal coming from 55 Cancri A. Gradually, the separate sine waves have become visible.
该方法与反褶积方法比较，小波变换后的测井曲线更能反应细节信息，具有更高的纵向分辨率。
Compared with deconvolution method, the well log curves transformed by wavelet analysis contain more detailed information and reach higher vertical resolution.
示波冲击曲线与断口形貌和硬度以及组织有良好的对应关系，是韧性分析的有效方法之一。
Oscilloscope Charpy impact curve corresponds well with fractographic characteristic, hardness curve and the microstructures, therefore is the effective toughness analyzing method.
从压力传感器测量的空气冲击波超压曲线，获得反应释放总能。
The relative energy release is analyzed from overpressure curves measured with some sensors.
给出了在不同泵浦功率下，共轭波强度随照射时间变化的实验曲线。
The experimental curves about intensity of conjugate wave vs. irradiate time at different pump power is given.
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 this, we tested and analyzed the energy relations of different rhythm wave, and got the dynamic energy distribution curve.
本试验提供的曲线可作为确定波箔轴承驱动力矩的参考，同时亦可作为设计和选用波箔轴承的参考。
The curves gained here may be utilized for reference to determine the driving torque, and to design and select the bump foil bearing as well.
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；
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.
文章计算出的多种频散曲线对超声兰姆波的应用是有益的。
The varied dispersion curves worked out this paper is helpful in application of ultrasonic Lamb wave.
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。
Further studies show that the horizontal vibration signal at the ground surface could also be used to get the R-wave dispersion curve.
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。
This article puts foward a "Secant One—wave Sine—shaped Transition Curve", whose deflection angles are of secant varlation.
条件下，各向异性P波反射时距具有各向同性P波反射时距近似的曲线特征。
Under certain conditions, the time-distance curve of reflected P-wave in anisotropic media has similar feature compared with isotropic case.
对于严重缺陷的反射波特征，重点区别了同一缺陷界面的多次反射和多缺陷反射在反射波曲线上的差别；
To study the curve characteristics of shallow severe defects, I distinguished the multi-defective pile from the same defect interface.
通过对应力波反射法在混凝土灌注桩检测上的应用效果，并且根据反射波曲线的不同形状，从理论上和施工中进行分析、判读。
Throughthe application of reflection echo in concrete filling pile, the article analyzed different shape of reflection echo curve from theory to practice.
本文阐述了施工工艺及地质条件对测试曲线的影响，提出了反射波曲线综合分析的途径与方法。
This paper discusses the influence of construction and geology condition on the reflected waves, and put forwards the synthetic analysis method of reflected wave curves.
气温和降水在不同时间尺度上的小波系数变化曲线图揭示了气候的长期和短期变化趋势有很大不同。
The wavelet coefficient curves of temperature and precipitation on different time scales reveal that the long periodical variation trend is quite different from the short.
正弦波，或正弦曲线，是数学函数的图形。
Sine waves, or sinusoids, are graphs of mathematical functions.
借助经典的爆炸力学理论和回归拟合曲线方法，验证了爆炸空腔大小、应力波的应力峰值、应力波的作用时间。
The radium of blasting cavity, stress peak value and action time of stress waves are validated by the theory of classical explosion mechanics and the way of curve regression.
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。
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.
介绍了数据采集系统单扫描采集速率的一种简单实用的精确评价方法，即正弦波曲线拟合法。
A simple and useful evaluation method for the single scanning sampling rates of data acquisition system is presented. It utilizes the sinusoid curve fit method.
在此临界条件下，获得了临界爆轰胞格结构、沿壁面的速度和峰值压力曲线及流场波系演变特征。
Under this critical condition, the cellular pattern, the velocity and maximum pressure along the wall and the wave evolution of marginal detonation were obtained.
对瑞利波勘探中“之”字形频散曲线形成的物理机理进行了理论分析，研究了诸波模的传播特性及相互关系。
The mechanism of zigzag dispersion curves in the Rayleigh wave exploration is theoretically analyzed. The propagation characteristics and interrelation of the guided waves are studied thoroughly.
VTI介质中反射P波时距曲线一般不再是双曲线。
The traveltime-distance curve of reflected P-wave in VTI media is not hyperbolic anymore.
因此，实际观测得到的反射波到达时间，并不是标准的双曲线，而是一条畸变了的双曲线，从而影响速度分析和迭加效果的质量。
Therefore, the actual observation obtains the reflection time, is not the standard hyperbolic curve, but was a distortion hyperbolic curve, thus influence speed analysis and iteration effect quality.
这样，这些大行星就具有大振幅与短的波长“正弦波”曲线，而这两种特性让它们能更容易地被观察到。
They thus have sine waves with large amplitudes and short wavelengths, both of which make them easy to see.
本文提出并解决了折射波时距曲线及解释剖面的自动绘制问题。
This paper presents and solves the question of drawing the refractive time distance curve and the interpretation profile automatic ally.
本文提出了一种利用反射波走时曲线计算垂向非均匀介质速度和反射界面深度的方法。
A method is presented, which makes it possible to calculate velocity and interface depth of the reflected wave in a vertically inhomogeneous medium.
故基本选代学习控制是不能直接应用于类似于方波、三角波这样的曲线的跟踪中。
So basic iterative learning control algorithms can't be used in the case which the trajectory is square wave or triangle wave.
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