high attenuation的例句大全

Flange-type variable optical attenuator: attenuation with high accuracy, small size, convenient, good stability and so on.

法兰式可调光衰减器: 具有衰减精度高, 体积小, 调节方便, 稳定性好等特点.

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The upper crust of the Altun orogenic belt has a high average Q value ( about 500). It is likely caused by shallow depth of crystalline basement, outcrop of basement rocks, and slow attenuation of seismic wave.

阿尔金造山带上地壳的平均Q值较高（约500），这可能由于结晶基底埋藏较浅，基岩出露，因此地震波在此处传播能量衰减较慢所致。

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High Frequency Structure Simulator ( HFSS) is used to show that the microstrip branch resonator incorporated with this thin-film resistor loaded not only can be frequency adjustable, but also can be attenuation adjustable and quality factor adjustable.

利用HFSS分析可以看到电阻加载的枝节谐振器不仅频率可调，而且衰减可调、品质因数可调。

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Inputting high-frequency and single pulse signal into coaxial line, the time delay and distortion caused by dispersion can be recorded and measured by digital oscilloscope. The line length and attenuation coefficient are achieved.

将高频单脉冲信号输入同轴电缆，借助数字存储示波器记录输入、输出端的波形和相对延时，可以测量传输线的电缆长度和衰减系数，同时观察脉冲波形因色散引起的畸变。

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This article consider atmospheric attenuation and Scattering influence, fix the atmosphere transmission which is affected by the condition of the high 、 Inclined path 、 weather.

本文中考虑的是大气（水蒸气和二氧化碳分子）产生的吸收衰减以及散射作用，并且修正了由于高度、斜程和气象条件引起变化的大气透射率。

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In offshore Qinhuangdao, some unfavourable factors such as severe high frequency attenuation, low signal/ noise ratio, weak reflection coefficient, discontinuous seismic event, too big line spacing and so on, restrict the improvement of seismic resolution.

秦皇岛地区存在的高频衰减严重、信噪比低、反射系数弱、同相轴不连续、设计采集线距太大等不利因素制约了分辨率的提高。

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Our aim is to design a filter having high selectivity and constant group-delay within the pass-band and according with the demand of equal pass-band attenuation ripple, to meet the requirements of distortionless transmission of television, facsimile and data signals.

目的在于设计一种具有高选择性，并满足通带衰减等波动要求、通带群时延恒定的滤波器，以适应电视、传真及数字信号等的无畸变传输要求。

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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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Based on a certain pattern, this paper discusses the design guide line and concrete implementation scheme of a general-purpose PD missile header target simulator. Some pivotal techniques are emphasized, including broad-band receiving, SSB modulation of video-frequency echo, and high precision power attenuation.

叙述了基于某型PD导引头的通用目标模拟器的设计思路和具体实现方案，着重介绍了系统中所应用的宽带接收、视频回波的单边带调制和高精度功率衰减技术。

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