要准确快速地计算正弦函数和其他函数，需要非常仔细的算法，专门用于避免无意地将小的误差变成大的错误。
Proper calculations of sine and other functions that are both accurate and fast require very careful algorithms designed to avoid accidentally turning small errors into large ones.
一个能很好地展示这类表单用途的例子是如下所示的这个简单的正弦计算器。
The example that best illustrates the use of such forms is a simple sine calculator.
分析了钻杆接头对水平井段钻柱屈曲临界力和弯曲应力的影响，提出了计算钻柱正弦屈曲临界力的新方法。
The effects of the connectors on the critical buckling load and the bending stress of pipes in horizontal section are analyzed.
计算指定参数的反正弦。
同时，还给出了计算正弦电压幅值的瞬时计算实用公式。
This paper also lists a formula that can calculate the amplitude of sine voltage instantaneously.
本文改进的偶函数和奇函数的AFT算法还分别可以用来计算离散余弦变换(DCT)和离散正弦变换(DST)。
The improved AFT algorithms for even and odd functions can also be used for computing discrete cosine transform (DCT) and discrete sine transform (DST), respectively.
本文给出了一种计算无噪声时具有正弦鉴相器的二阶锁相环捕捉特性的新方法，求得了每个差频周期的平均角频率牵引量。
A new method is presented for analyzing the acquisition behavior of second-order PLL with sinusoidal phase detector in the absence of noise.
文章介绍一个用节点分析法计算正弦交流电路的程序。
A program based on the node analysis method which can be used to compute Sine AC-Circuit is described.
目的研究正弦函数和余弦函数的一些计算公式。
Aim To study some calculation formula of sine function and cosine function.
要计算反正弦的表达式。
在正弦风切变假定下，利用计算机计算和飞行模拟器模拟研究了长周期振动频率上下的正弦波风切变对飞机着陆航迹的影响。
On the assumption that the wind shear is sinusoidal, the effects of long periodic oscillation on the landing path of an aircraft were studied by computer calculation and with flight simulator.
通过数值计算，详细分析了各个参量对最终超分辨效果的影响，并且得到了正弦变化振幅光瞳滤波器的一些基本性质。
By numerical calculations, the parameters are analyzed which influence the superresolution effect and the main characters of the amplitude optical pupil filters with sine functions are obtained.
利用MATLAB强大的数值计算和绘图功能解决了在求解正弦稳态电路时存在的困难。
The problem in the solution of the sine circuit has solved base on the MATLAB's powerful function of calculating and painting.
介绍用计算机软件产生正弦稳态扫频信号的编程方法。
The method of producing sine sweep by computer programing is introduced.
数值计算表明，聚焦双曲正弦高斯光束的焦移与偏心参数和菲涅耳数有关，焦移随偏心参数和菲涅耳数的减小而增大。
Numerical calculations are performed and show that the focal shift in focused sinhGaussian beams depends on the Fresnel number and decentered parameter, and increases with decreasing them.
文中给出了ARMA(4,4)仿真计算例子及两个正弦加白噪声的仿真计算结果，并与最小二乘法的计算结果进行了比较。
Simulation results of ARMA (4, 4) and two sinusoids with white noise by using both the new method and the traditional LS are given at the same time for comparison.
对新型光束——正弦高斯光束、余弦高斯光束通过硬边光阑时的功率损耗作了详细的计算。
In this paper, the losses of novel sine-Gaussian and cosine-Gaussian beams propagating through a hard aperture are calculated in detail.
最后利用编制的程序对半波正弦荷载作用下层状体系的动力响应进行了计算和分析。
Arid finally, dynamic response of the multilayered system under the action of half-sine load is computed and analyzed using the program developed by the author.
本文实现了利用数字方法计算正弦波的频率稳定度。
This paper gets the frequency stability of a sine wave using a digital method.
参考栅采用计算机绘制的正弦型数字栅。
Sine digital grating (computer generated grating) is acted as reference grating.
采用正弦和余弦的泰勒展开式构造的迭代公式，计算一个绘图点只需9次加法。
Adopt the iterative formula that forms Taylor's expansion of sine and cosine, and compute a graphic points are only calculated by 9 times addition.
提出正弦齿条所生成的齿轮副的重合度定义及其计算式，并且讨论有关设计参数对于重合度的影响效果。
Definition of contact ratio of paired gears generated with sinusoidal rack and its calculation formula were given, and the effect of related design parameters on the contact ratio was also discussed.
讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。
It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.
同时，还给出了计算正弦电压幅值的瞬时计算实用公式。
This paper also lists a formula that can calculate the amplitude of sine voltage instant...
用计算全息技术设计制作高衍射效率的正弦闪耀全息透镜。
By the method of computational holography. the article has propose a technique for blazed holographic lenses with high diffraction efficiency.
并实例计算了非线性正弦交变涡流的电机电磁场方程。
Verified by model calculation and calculated the present example electromagnetic field equation of motor on non-linear sine alternation eddy.
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.
为了提高测量的准确度，论文研究了一种新的计算方法即高阶正弦拟合法。
The accuracy can be improved with a new method, the higher order sine fitting algorithm.
摘要：基于有限电导率光栅的微分理论，对工作在紫外光区的全息正弦光栅和三角槽形光栅的衍射效率做了数值计算。
Abstract: Diffraction efficiency of Al-coated triangle and holographic sinusoidal grating used in UV region are calculated using the differential formalism of exact electromagnetic theory.
摘要：基于有限电导率光栅的微分理论，对工作在紫外光区的全息正弦光栅和三角槽形光栅的衍射效率做了数值计算。
Abstract: Diffraction efficiency of Al-coated triangle and holographic sinusoidal grating used in UV region are calculated using the differential formalism of exact electromagnetic theory.
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