wave source

Excitation of Lamb wave by a point source and ultrasonic angle probe

点源和超声楔形换能器激发的兰姆波

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From the radiative transfer equation, the analytic results of diffuse reflectance on tissue surface are deduced by diffusion approximation for both the time dependent and the continuous wave source under the condition that a narrow collimated light beam is normally incident upon the surface of tissue.

从光的传输理论出发，利用漫射近似方程，推导出当无限细脉冲光及连续光束垂直入射到生物组织表面时，生物组织表面漫反射光随空间及时间变化的解析表达式。

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The method of noise source identification and location based on Wave Superposition Method ( WSM ) is proposed.

提出了基于波叠加的噪声源识别和 定位方法 .

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An equation of nonlinear thermal wave beam is presented with nonlinear boundary conditions and solved by using the perturbation approach method under the case that the light source has a Gaussian profile.

本文提出一个非线性热波束方程及其相应的非线性边界条件。借助于逐步近似法在光源为高斯径向分布的情形下，求解这一方程。

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Therefore, the luminosity temperature of shock wave radiation source is reliably measured using a six-channel pyrometer.

文中采取2项措施，用六通道高温计比较可靠地测量了光源的辐射强度和辐射亮度温度，解决了实际测量中遇到的问题。

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Use of a Complementary Sine Wave Source in the Measurement of Differential Transducer

互补正弦波电源在差动传感器测量中的应用

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Its pecision isn't effected by wave and iscpeciallysuitable for testing nonlinear load electric performance of arc welding source.

特别适用于弧焊电源等非线性负荷电参数的测试。

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It is presented that earthquake source is a disturbance source, i. e. stress wave source before earthquake.

提出了孕震源是一扰动源，也就是震前应力波产生的波源。

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Down going wave seperation and Alford rotation must be done, and the energy of S wave source must be normalized and analysed carefully.

对数据进行了下行波分离、Alford旋转、S波震源能量归一化等处理和分析。

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The disadvantages and improvements-to-be of the shockwave lithotripter are wave source and positioning system.

详细介绍了当今冲击波碎石机在波源和定位系统方面存在的缺陷及有待改进之处.

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The Research and Implementation of High-precision LO Signal Source on Short-wave Receiver

短波接收机高精度本振信号源的设计与实现

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The acoustic field of the pulse wave source is measured.

比较了连续波声场和脉冲波声场的分布特性及异同点。

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A new method based on interpolation using orthogonal spherical wave source was proposed to enhance the resolution of the nearfield acoustic holography image without adding measurement points.

为了在不增加测量点数的情况下提高近场声全息图像的空间分辨率，提出一种基于正交球面波插值的近场声全息图像分辨率增强方法。

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Acoustic shape sensitivity analysis based on orthogonal spherical wave source boundary point method

基于正交球面波源边界点法的声学灵敏度分析

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Interference of acoustic direct wave source makes accurate determination of underground conditions with acoustic waves difficult.

在浅地层地下物体的声波探测中,沿地表层传播的声直达波干扰是影响探测结果的主要因素之一.

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