Then, the influences of some parameters on phase speed and attenuation are analyzed.
给出了圆柱管的一些参数对相速度和衰减的影响。
Appearance and attenuation characteristics are other inherent advantages of the metal.
外观和衰减其他固有的特点优势金属。
The thesis includes velocity structure tomography and attenuation structure tomography.
本论文包括速度结构层析成像和衰减结构层析成像。
Nonlinear absorption and attenuation of electromagnetic plane wave in plasma are investigated.
研究平面电磁波在等离子体中的非线性吸收衰减。
This thesis, author has summarized the theory of passes and attenuation equation of stress wave;
本文总结了应力波的理论和爆破地震波的传播和衰减规律；
Objective To research the synergism and attenuation of insulin on chemotherapy of malignant tumor.
目的研究胰岛素对恶性肿瘤化疗的增效减毒作用。
In this paper, a physical model of the structure and attenuation of shock waves in metals is presented.
本文给出了研究金属中激波构造与衰减的一个物理模型。
Temperature increasing will lead to the performance of the devices change and attenuation, and even failure.
温度的升高将导致器件性能的变化与衰减，甚至失效。
OBJECTIVE: To investigate the synergy and attenuation action of Gankangling capsules (GKL) on chemotherapeutics.
目的：研究肝康灵胶囊(GKL)对化疗药物的增效减毒作用。
The sphere affects the incident by the refraction, diffraction, reflection, absorption and attenuation of impurity.
这种球体对入射光存在折射、衍射、反射、吸收和杂质对入射光波的衰减作用等影响。
A function of the diffusion coefficient and attenuation coefficient was derived from the measured diffuse reflectance.
又从测得的漫反射率推得漫射系数和衰减系数的函数。
Furthermore the absorption and attenuation of energy of seismic wave in different medium are introduced in this paper.
文中还介绍了波在各种介质中能量的吸收和衰减情况。
For the electric vector of electromagnetic wave. we discussed its amplitude, wavelength, phase, and attenuation length.
以波的电矢量为例，具体讨论了衰减电磁波的振幅、波长、位相以及衰减波的衰减长度。
The Earth's absorption and attenuation effect is one of the most important factor that affects the resolution of seismic survey.
地层吸收衰减效应是影响地震勘探分辨率的重要因素之一。
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。
Firstly provide mathematic models on the effect of the force of silo wall relieved from bulk solid and attenuation of silo's vibration.
首次提出了散体与仓体的相互作用和对贮仓减振作用的数学模式。
First, power line Communication is introduced. The noise and attenuation characteristics of power line channel are measured and modeled.
首先，介绍了电力线通信，测量并分析了电力线信道的噪声和复衰减特性，并分别进行了建模。
These features should be noted: size, shape, echogenicity, margin features, orientation, and attenuation (eg, shadowing or enhancement).
这些特征应该被记录：大小、形状、回声反射性、边界、方位和衰减（例如：减弱或增强）。
Dispersion and attenuation characteristics of torsional modes of ultrasonic guided wave in pipe with viscoelastic coating are investigated.
研究了带有粘弹性包覆层管道中超声导波扭转模态的频散及其衰减特性。
First, power line Communication (PLC) is introduced. The noise and attenuation characteristics of power line channel are measured and modeled.
首先，介绍了电力线通信(plc)，测量并分析了电力线信道的噪声和复衰减特性，并分别进行了建模。
After processing the amplitude image and phase image which was come from experiment we obtain the distribution of the velocity and attenuation.
通过实验获得了声相位图与声幅度图，并通过数字图像处理获得了相应的速度图与衰减图。
Runoff concentration can be generalized as transposition and attenuation of flood waves, which are the basis of most basin runoff concentration models.
流域汇流可以概化为洪水波的平移和坦化作用，平移和坦化模拟是大多数概念性汇流模型的核心。
The knowledge about the elastic wave dynamic characteristics such as waveform, amplitude, frequency and attenuation (Qp, quality value) is very limited.
在弹性波动力学特征如波形、振幅、频率及衰减等方面研究薄弱。
There a good coincidence in the calculation of shield layer current and measuring results in the aspect of waveform, oscillating circle and attenuation law.
皮电流计算与测量结果在波形、振荡周期、衰减规律等方面有较好的一致性。
In this paper, the principle and primary results of measure ultrasonic sound velocity and attenuation coefficient by ultrasonic syntonic method are introduced.
本文介绍利用超声共振法测量声速和声衰减系数的原理及自来水和乙醇的测量结果。
The rock acoustic parameters in this paper include wave amplitude, spectral amplitude, spectral area, spectral density, wave velocity and attenuation coefficient etc.
这些岩石声学参数为波幅、谱幅、谱面积、谱密度、波速度、衰减系数等。
This paper analyzes the impedance, noise and attenuation characteristics of PLC channel and introduces the PLC channel model which will help us understand PLC further.
文中分析了电力线信道的阻抗、噪声、衰减特性，据此给出了电力线信道模型，有助于深入理解低压电力线通信的特点。
The transmission and attenuation rule of the radar pulse wave in different dielectric are analyzed by analyzing the electrical properties of the geotechnical dielectric.
通过对岩土介质的介电特性分析，分析雷达波在不同岩层中的传播与衰减规律。
The transmission and attenuation rule of the radar pulse wave in different dielectric are analyzed by analyzing the electrical properties of the geotechnical dielectric.
通过对岩土介质的介电特性分析，分析雷达波在不同岩层中的传播与衰减规律。
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