In this paper, we present a new method to solve the Cauchy's problem of the homogeneous wave equations of three dimensions, which appear comparatively simple and feasible.
本文提出了一类齐次三维波动方程柯西问题求解的新方法，该方法比一般的求解方法更简便。
In this paper, the finite and infinite element method in numerical analysis for wave forces of three dimensional problem is examined.
本文研究了三维情况波浪力数值分析中的有限元-无限元方法。
The traditional method of calculation for the acceptance parameters by Taylor expansion in three wave interactions is only suitable for the condition of small acceptance parameters.
采用传统级数展开方法计算晶体非线性三波互作用的允许参量。
TheAbstractfeasibility of this method is testified through the example of wave source problems on the three dimensions in full space.
并通过全空间三维波源问题的算例验证了这一方法的可行性。
The paper introduces the design method of auto creating system of arrangement diagram for wave winding of rotor for three-phase asynchronous motor.
介绍了三相绕线型异步电动机转子波绕组排列图自动生成系统的设计方法。
Third chapter introduced in detail about USES the ultrasonic wave method to carry on the three dimensional human body coordinates survey the hardware circuit design.
第三章详细介绍了采用超声波方法进行三维人体坐标测量的硬件电路设计。
The method has good decomposing ability for a single wave, can provide three kinds of shows such as amplitude spectrum, energy curves and PRONY filtered sections, having a strong QC tools.
此方法对单波有很好的分解能力，能提供振幅谱、能量曲线及PRONY滤波剖面等三类显示，并具有较强的质控手段。
Gas decompression wave velocity during the pipeline fracture process was solved by the three-characteristic line method, and the corresponding computer program was developed.
应用三特征线法求解气体减压波速，并开发了相应的计算程序，分析了起始压力、起始温度、不同气体介质和管径对气体减压波速的影响。
By controling the three-dimensional motion of the X-Y table and bond head, precision positioning and desired line-type gold wires can be realized, and an ultrasonic wave bonded method is used.
工作原理是通过X-Y工作台和焊头的三维运动控制，定位并拉出设定的金丝线型，采用超声波热压球焊方法焊接芯片管脚。
The problem of wave action with three identical 2D boxes in a fixed mean position in a finite water depth is computed by the scaled boundary finite element method and compared with a BEM.
本文应用该方法求解波浪与有限水深中三个相同，但之间存在狭缝的二维固定方箱的作用问题，为波浪与多模块超大型浮体的相互作用提供一些规律。
By controling three-dimensional motion of the X-Y table and bond head, precision positioning and desired line-type gold wires can be realized, and an ultrasonic wave bonded method is used.
工作原理是通过X-Y工作台和焊头的三维运动控制，定位并拉出设定的金丝线型，采用超声波热压球焊方法焊接芯片管脚。
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。
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。
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