attenuation and dispersion的意思|示意

The viscosity coefficient of pore fluid in saturated sandstone has an obvious effect on the attenuation, modulus, and velocity dispersion in low frequency range.

饱和砂岩中扎隙液体的粘滞系数对饱和砂岩的衰减、模量和速度色散的影响在较低频段是明显的。

Dispersion and attenuation characteristics of stress waves were studied by means of the automatic data collection and FFT technique.

本文采用自动数据采集及FFT技术研究应力波的弥散与衰减特性。

Two of the most predominant characteristics of Surface Wave are Dispersion and Attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior.

频敌和衰减是面波传播中的两个基本特征，利用面波频散和衰减可以有效地研究地球内部速度结构和粘弹性结构。

The results show that hydrodynamic dispersion and indigenous biodegradation under mixed electron accepter conditions are primary mechanisms for the attenuation of ethanol and BTEX in porous media.

试验结果表明：水动力弥散和混合电子受体条件下的土著微生物降解是乙醇和单环芳香烃(BTEX)自然衰减的主要过程。

The influences of length, dispersion index and attenuation index of transmission fiber and incident optical power on ber (bit error rate) and Q value of the system is analyzed.

仿真研究了传输信道和光功率对光码分多址系统性能的影响，分析了传输距离、光纤色散系数、光纤衰减、入纤光功率等与误码率和Q值的关系。

Attention is focused on the implications of semiconductor physical effects, and some important physical aspects in optical fiber communication, such as attenuation, dispersion and nonlinear effects.

重点分析了半导体物理效应等在光通信中的应用，同时探讨了光纤传输中的损耗、色散和非线性光学效应等重要物理问题。