attenuation的例句大全

In Ka-band, the absord of the oxygen and water vapor and the attenuation of the cloud are studied.

研究了大气中氧气和水蒸汽对Ka波段信号的吸收作用以及云雾对其的衰减作用。

Calculation of narrow beam γ ray mass attenuation coefficients of absorbing medium by Monte Carlo method

蒙特卡罗方法计算介质对窄束γ射线的质量衰减系数

Nitrogen Attenuation Efficiency at Difference Types Stream Riparian Buffer Zones

不同类型河岸带对溪流氮素输入的截留转化效率研究

Both bowknot angle and dissipative angle enhance as the area of hysteresis loop increases, and attenuation enhances as viscosity coefficient of pore fluid increases.

蝴蝶结张角和耗散角的值均随饱和流体黏滞系数的增大而增大，滞后增强，滞回圈面积增大，衰减增大；

So, people begin to turn to the high-speed, large-capacity and low-attenuation photonic system.

为此, 人们把目光投向了高速率 、 大容量、低损耗的光子系统.

The equal value line diagrams are drawn to reveal the attenuation characteristics of electromagnetics in space.

另需绘制电磁场计算值等高线概略图,分析电磁场值随空间衰减的特性.

This method overcomes the difficult and unrealizable experiment conditions that are used to measure the absolute attenuation coefficient and impels the technique of ultrasonic characterization to be more closed to the engineering requirements and more practical.

该方法克服了绝对衰减系数测定法对实验条件要求极为苛刻、难以实现的不足，使得超声表征技术更接近工程条件、更具实用价值。

The attenuation correction coefficient influences correction quantity and correctable thickness.

衰减订正系数影响订正量的大小和可订正厚度。

By utilizing the matching method of regional electromagnetic field for individual regions, the electromagnetic field distribution in the space of three respective regions is found. And the dispersion equation, coupled impedance and attenuation constant are thence obtained.

利用电磁场分区匹配方法求解了空间电磁场分布，从而导出了色散方程、耦合阻抗和衰减常数的计算公式。

Cube strength of concrete increase with the curing period showed a slight increase in late strength without significant attenuation. 2.

混凝土的立方体强度随着养护龄期的增长呈现小幅度增长，后期强度没有出现明显的衰减。

Theoretical calculation of cutoff wavelength and attenuation constant in elliptic waveguides

椭圆波导的截止波长和衰减常数的理论计算

The dissipative attenuation Mechanism of the Mn-Zn ferrite that involved the natural resonance, the piezoelectric resonance and the magnetic hysteresis loss are also studied.

本文还分析了锰锌铁氧体自然共振、磁滞损耗和畴壁共振等磁极化机制衰减吸收电磁波的各种机理。

The echoes of GPR ( Ground Penetrating Radar) are more and more dissipative attenuation with the increase of the depth of detection in GPR so that it is more difficult of deep detection at same time the decreased resolution.

探地雷达回波因为地下介质的损耗造成其随着深度的增加而衰减增大，导致对深埋目标探测更加困难，分辨率因此而降低。

Based on analyzing the observed data of long term operation, the attenuation law of yields and the control effect of each affecting factor are found out for dug well with infiltration pipes arranged radiantly in river bed after long term operation.

通过对长期运行观测资料的分析，查明了河床辐射井长期运行出水量的衰减变化规律及其影响因素所起的相应控制作用。

Wave attenuation properties of rectangular pontoon breakwater were analyzed with eigen-function expansion.

利用特征函数法对矩形浮箱式防浪堤的消浪性能进行分析。

Objective; To compare the dependence of signal attenuation on temperature and time caused by the diffusion movements in inhomogeneous and linear gradient magnetic field.

目的：比较非理想均匀磁场和线性梯度磁场中扩散运动引起的信号衰减对温度、时间的依赖性。

To compare the dependence of diffused attenuation on temperature and time in inhomogeneous and linear gradient magnetic field

非理想均匀磁场和线性梯度磁场中扩散衰减对温度和时间依赖性的比较

The notching circuit made of this kind of twin T network can increase the attenuation slop outside the pass-band but decrease signal loss within pass-band.

采用这种双T网络做成的陷波电路，可使通带外的频带衰减陡度增大，而通带内的有效信号损失减小。

Comparing to conventional E-plane waveguide filter, great improvments have been made in stop-band attenuation of a BPF.

为了提高E面全金属膜片矩形波导滤波器的阻带性能, 本文对滤波器的结构做了改进,采用了混合膜片的形式.

Methods 60 elderly healthy men were divided into three groups, 20 with normal bone density ( Group A), 20 with osteopenia ( Group B) and 20 with osteoporosis ( Group C), according to broadband ultrasound attenuation ( BUA).

方法60例健康老年男性按照宽波段超声衰减（BUA）值分成骨量正常组（A组）、骨量减少组（B组）和骨质疏松组（C组）。