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wave propagation

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【物理】波传播


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以下为句子列表:
英文: A two-dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks: parallel to the surface, 450 oblique angle to the surface, and quarter-circle.

中文: 摘要建立了无限长板的具有吸收边界的二维平面应变有限元模型,在研究了脉冲超声波在无限长板中传播的基础上,对板中平行于表面的裂纹、与表面成45°的斜裂纹和四分之一圆周弧形裂纹三种情况的脉冲超声波散射进行了重点研究。        更详细...
英文: Based on wave propagation theory, the wave solution of a simply supported beam with a crack is investigated.

中文: 摘要基于结构振动波传播理论,讨论了在简谐力作用下,裂纹简支梁的弯曲波动解。        更详细...
英文: By analyzing the model of radio wave propagation loss, this paper provides a weighted centroid localization algorithm that uses coefficients, which are decided by the influence of beacons to unknown nodes, to prompt localization accuracy.

中文: 文中通过对无线电传播路径损耗模型的分析,提出了加权质心定位算法,用信标节点对未知节点的不同影响力来确定加权因子,以提高定位精度。        更详细...
英文: For pulsed sources of arbitrary wave form, the result of wave propagation is simply given by the convolution of the impulse response on the line and the pulse of the voltage source, or by simply IFFT or IFT of the products of the spectrum of pulse of the

中文: 任意波形脉波电压源在传输线上之响应即可由脉冲响应与脉波电压源波形之迴旋积得之,或由传输线上电压及电流沿线分布之频域相量与脉波电压源之频谱对乘后取逆富氏转换或逆快速富氏转换得之。        更详细...
英文: In order to improve the prospecting precision to the earth of transient electromagnetic method (TEM), the idea of TEM imaging is proposed according to the characteristics of both electromagnetic wave propagation and response: the wave-impedance is calcula

中文: 摘要爲提高瞬变电磁法的对地探测精度,从瞬变电磁场的传播特性和电磁响应特性两个角度攷虑,提出了瞬变电磁成像方法:由野外实测磁场感应数据,经过反褶积和线性数字滤波求出波阻抗;用线性规划法求出每一微层走时所对应的反射系数序列,并以此爲参数绘制成像结果图。        更详细...
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