attenuation

Attenuation of light is in the form of absorption.

光是以吸收的形式衰减.

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Aiming at compensating the absorption and attenuation of seismic signal, the paper anew establishes the relationship about absorption coefficient and Q-value, and brings forward a time window method that is base on reverse Q-value to compensate strata absorption and attenuation in frequency domain.

针对地震信号的吸收衰减补偿问题，在重新建立吸收系数和Q值关系的基础上，提出了一种基于反Q补偿的分时窗频域吸收衰减补偿方法。

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Requirements of passband ripple, stopband attenuation, and achieve a minimum order.

要求通带波纹, 阻带衰减, 并用最小阶数实现.

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The mechanisms of microwave attenuation was discussed, and relaxation loss and conduction loss contribute most to the microwave attenuation.

对复相材料的微波衰减机理作了初步探讨，弛豫损耗和电导损耗是其主要的衰减机理。

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The Color, Multiplier and Attenuation parameters can all be animated over time.

颜色, 放大器和减弱器都可以超时绘制.

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The attenuation distance and transmittance are connected together, they influence each other.

衰减距离attenuation) 和能见度(transmittance)是联系在一起的, 并相互影响.

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Yet some form of attenuation is mandatory.

然而有些衰减形式是必须采用的.

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It is clear that thermal relaxation attenuation peak and Biot attenuation peak appear on both frequency and temperature domains.

无论在频率谱或温度谱上都出现了热弛豫衰减峰和Biot衰减峰。

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At least, this may explain the local school safe education some attenuation.

至少, 这可以说明当地学校的安全教育有些弱化.

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Ultrasonic attenuation capacity of cellular Al alloy foam were studied.

研究了闭孔泡沫铝合金孔结构参数对其超声衰减性能的影响.

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The transposition effect is very small and the attenuation effect is the main of storage effect in mini basins. So mini basin runoff concentration models should focus on the simulation of attenuation effect.

模拟结果发现，特小流域汇流的平移作用不明显，流域调蓄作用主要是坦化作用，汇流模型主要是坦化作用的模拟。

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Elastic energy attenuation degree and plastic energy change rate were defined.

定义弹性能衰减度和塑性能变化率.

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Note that the polyethylene cables offer much lower attenuation than PVC cables.

请注意,聚乙烯电缆比PVC( 聚氯乙烯)电缆具有低得多的损耗.

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Atmospheric turbulence and attenuation play an important role in laser's transmission.

大气湍流与大气消光会给激光传输带来较大的影响.

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In light of sound exposure level for high-speed railway at 15 m from track center, a theoretical model for noise analysis is established by introducing ground attenuation, shielding attenuation and excess attenuation from buildings and trees.

根据离开轨道中心15m处高速铁路的噪声暴露声级，通过引入地面衰减、屏障衰减和房屋建筑及树木的附加衰减参数，建立噪声理论分析模型。

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The point of degradation, due to attenuation or distortion, at which a signal becomes unusable.

由于衰减或失真使得信号变得不能使用的那个退化点.

词典精选例句

Objective: To study the diagnostic role of broadband ultrasonic attenuation ( BUA) in measurement of bone mineral density. Determination of Fatty Liver Ultrasonic Attenuation

目的：探讨跟骨宽带超声衰减诊断骨质疏松的临床价值。脂肪肝超声衰减系数测定

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The essay discusses the Guangzhou area's atmosphere attenuation features in the range of 5 GHZ-100 GHZ, and summarizes the relationship between atmosphere attenuation and absolute humidity, and the rules that elevation angle and atmosphere attenuation must follow.

讨论了广州地区大气在5GHz-100GHz范围内衰减特性，总结出大气衰减与绝对湿度的关系和仰角与大气衰减遵循的规律。

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Thin-section CT/ HRCT features included: mosaic perfusion pattern, decreased lung attenuation in 11 cases, pulmonary vascular attenuation in 10 cases;

薄层CT表现为：马赛克征象，实质密度减低11例，血管细少10例；

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Express the factors resulting in the attenuation of acoustic waves.

叙述引起音波衰减的因素.

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Firstly, for a class of multi-input nonlinear system, a disturbance attenuation method in the sense of L2 gain was proposed through recursive method to construct storage function, and then a disturbance attenuation control law was obtained.

首先针对一类多输入非线性系统，通过耗散不等式的递推设计，提出了一种L2增益意义下的干扰抑制方法，得到实现干扰抑制的控制律。

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Ultrasonic transmission attenuation characteristic in muscular tissue is discussed in this paper.

探讨超声对肌肉组织超声传输特性.

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The X-ray attenuation property of solid rocket motor chamber material was described and the testing method for X-ray attenuation coefficient was given. The type, material and location of image quality indicator ( IQI) for radiographic examination of solid rocket motor chamber were proposed.

阐明固体火箭发动机燃烧室材料的X射线吸收特性，给出材料线吸收系数的切向与径向测试方法，提出固体火箭发动机燃烧室X射线探伤像质计类型、材料和放置的建议。

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Slow attenuation property of electromagnetic energy is confirmed by experiments.

用实验直接验证了瞬态电磁波的慢衰减特性.

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It is found that the principle of microwave attenuation is the reason that causes gain attenuation of XFC. Custom experiments are designed to measure the dynamic gain curve, and the gain attenuation constant is derived.

通过测量样机的动态增益曲线，从微波原理上分析了造成增益衰减的原因，并设计实验测量了增益衰减常数。

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It has a rather high transmission frequency and low attenuation.

居有较高的传输频率和较低的衰减.

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The co-existence of Biot dissipation mechanism and thermal relaxation mechanism results in the appearance of two attenuation peaks in the attenuation curve of the saturated rock, i.e., the Biot peak and the thermal relaxation peak.

Biot耗散机制和热弛豫机制的共同存在使得饱和岩石的衰减曲线出现两个衰减峰，即Biot峰和热弛豫峰。

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Thirdly, this paper improving the formula of attenuation relay distance, raise the accuracy of the construction plan. And calculate 10G high-speed attenuation relay distance to ensure enough data bandwith and upgrading capacity in the new MSTP network.

论文还通过改善衰减中继距离计算公式，提高了MSTP工程建设规划精度，通过10G高速业务中继段距离的计算，为目前MSTP网络有足够的繁冗性和数据带宽的可升级能力提供支持。

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Glass plates deposited with metal through vapor deposition were used as attenuation elements. Build-up and attenuation of bete dose within a porcelain slice

衰减器采用金属蒸发镀膜衰减片作为衰减元件，连续衰减和步进衰减相结合。瓷片中β剂量的积累和衰减研究

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The attenuation factor of longitudinal wave was changing linearly, whereas the attenuation factor of the slow shear wave kept nearly constant with a low frequency on the exploration seismic band.

纵波的衰减系数在地震频带内基本上呈线性变化，而横波的衰减系数在地震频带内除低频外基本保持稳定。

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