attenuation

美 [??tenj?'e??(?)n] 　英 [??tenj?'e??(?)n]

• n.減弱；稀釋；【物】衰減；變細
• 網絡衰減量；衰減作用；衰減值

反義詞

同義詞

英漢解釋

例句

The attenuation coefficient of each voxel is the product of its unknown density and a known energy-dependent mass attenuation coefficient.

在每個體素的衰減系數(shù)，是不知道其密度產品和知名能源依賴質量衰減系數(shù)。

"Gripping any phone will result in some attenuation of its antenna performance, depending on the placement of the antennas, " he said.

“任何手機拿在手里，信號都會受到影響，取決于天線的位置，”他說。

However , it is not trivially easy to use this property for the attenuation of the detected surface- waves .

然而，利用這種性質來衰減觀測的面波并非十分容易。

Signal attenuation in the power line environment is often great, and unpredictable.

信號衰減在輸電線環(huán)境經常是偉大和變化莫測的。

Meanwhile the attenuation degree of both samples was greater, while that of other samples was decreased .

同時，這兩種樣品的衰減度較大，而其他樣品的衰減度則有所減小。

And with most antennas, the density and composition of the human hand can cause attenuation to a greater degree than some other materials.

對大多數(shù)天線而言，人手部的密度和構成與其他一些物質相比會帶來更大的衰減。通常在手遮擋天線最敏感部分的時候，手機就會丟失信號。

We also investigate the relationship between the total attenuation coefficient and the energy density, pulse duration, and pulse repetition.

我們研究了衰減系數(shù)和能量密度、脈沖寬度及脈沖頻率之間的關系。

the far-end crosstalk attenuation and the inductance of the signal transmission wire pair of the cable are far below the industry standard.

電纜信號傳輸線對的遠端串音衰減和電感都遠遠低于行業(yè)標準。

The invention relates to a rubber piezoceramics damping vibration attenuation material and a preparation method thereof.

本發(fā)明涉及一種橡膠壓電陶瓷阻尼減振材料及其制備方法。

The invention relates to a projection system for producing attenuation components of projection data of a region of interest.

本發(fā)明涉及一種投影系統(tǒng)，用于產生感興趣區(qū)的投影數(shù)據(jù)的衰減分量。

The information gained is then used for evaluating three remedial actions, namely, natural attenuation, dredging and capping.

然后使用獲得信息的評價，即三種補救行動自然衰減、疏浚和限制。

Diltiazem can produce a greater attenuation on the circulatory responses to tracheal extubation.

地爾硫卓可全面有效地抑制氣管拔管時的心血管副反應。

Note: The position of these ground locators can be adjusted later to tweak the falloff of the shadow attenuation.

注意：那些地面上的定位器的位置能稍后時被調整去配合陰影衰減的散開。

Absorption coefficient is measure of the attenuation caused by absorption of energy that results from its passage through a medium.

吸收系數(shù)是一個衡量由于穿過媒介時吸收能量而導致的衰變的標準。

The image generated is a result of attenuation of the beam by all structures along the path of the beam and results in a gray-scale picture.

引起的圖象是射線的衰減的結果由所有結構沿射線和結果的道路在灰色極譜圖片。

In this procedure, the total attenuation coefficient decreases when the light dose increases and the reduction depends on the light dose.

在這個實驗過程中，我們發(fā)現(xiàn)衰減系數(shù)將隨著光劑量的增加而減小，而且減小量取決于光劑量的大小。

However, the fog is one of the important factors forming atmospheric attenuation and light intensity fluctuation.

而霧是形成大氣衰減和光強起伏的重要因素之一。

The point of skull opening is seen here, and low attenuation air pockets normally introduced during surgery here.

顱骨從這個位置打開。手術過程中常規(guī)放置低衰減空氣袋請看這里。

Attenuation Constant For a particular propagation mode in an optical fiber, the real part of the axial propagation constant.

衰減常數(shù)光纖中的一種特殊的傳播方式，軸向傳播常數(shù)的實際部分。

For a given incident frequency, there exists an optimal electron density and collision frequency to reach the best attenuation effect.

對給定的入射頻率，存在一個達到最好衰減效果的最佳碰撞頻率和電子密度；

The kind of windows has advantages of simple structure, lower attenuation and good inhibition of spectral leakage.

該類窗構造簡單，具有旁瓣衰減速率快，更好地抑制頻譜泄漏影響等特點。

It is necessary to estimate attenuation models and to compensate amplitude loss as well as dispersion by an inverse Q-filtering.

估計衰減模型、補償振幅損失和反Q濾波都是必要的。

The results show that the system improved the VGA signal attenuation and distortion, achieved high-quality, long-distance transmission.

實驗結果表明，該系統(tǒng)有效改善了VGA信號的衰減和失真現(xiàn)象，可保證信號的高質量、長距離傳輸。

And the aforementioned serial, parallel resonant circuit of a narrow pass band and steep attenuation characteristics is not enough.

而前述的串、并聯(lián)諧振回路的通頻帶較窄，且衰減特性也不夠陡峭。

The attenuation in the sedimentary rock exceeds that of igneous rock.

彈性波振幅在沉積巖的衰減量大于在火成巖中的衰減量；

The theory of noise attenuation by patterns is the same whether applied to the shot or the geophone end of the wave trajectory.

應用組合方法壓制噪聲的原理，不論對炮點還是對栓波器波的軌跡終端都是一樣的。

Attenuation Equalizer Any device inserted in a transmission line or amplifier circuit to improve the shape of its frequency response .

衰減均衡器在傳輸線路或放大器電路中插入的任意設備，用于提高其頻率響應形狀。

The change of the relationship between the laser attenuation and soot concentrations within a particular detection range has been given.

給出了一定探測距離下，激光的衰減與煙塵濃度的變化關系。

Attenuation is the result of two processes: scattering and absorption.

衰減是兩個過程的結果：散射和吸收。

The application of the external magnetic field can enhance the attenuation band of the electromagnetic wave to a certain extent.

外磁場的引入在一定程度上增大了電磁波的衰減帶寬。

The observational ability and attenuation characteristics of a millimeter-wavelength radar are introduced in this article.

文中簡要介紹了毫米波雷達的探測特點及衰減特性；

Therefore, multiple attenuation is one of the critical steps in marine data processing.

多次波問題，是海洋地震勘探中最突出的問題之一。

The optimum design of detector arrays for the attenuation of surface waves and of ambient noise is a complex subject.

為衰減面波和外界噪聲作檢波器組合的最佳設計是一件復雜的事情。

Hardly had the attenuation of rheumatic pains occurs when the doctor instructed the patient to stop medication.

風濕痛剛一減輕，醫(yī)生就囑咐病人停止服藥。

The effects of load in certain range were to restrain the swelling-shrinkage deformation and the attenuation of shear strength.

荷載對干濕循環(huán)過程中膨脹土的脹縮幅度及強度衰減具有明顯抑制作用。

Methods An ARM embedded system was used to measure the speed of ultrasound, the broadband ultrasound attenuation(BUA) and the stiffness.

方法：設計采用ARM嵌入式系統(tǒng)，通過超聲技術測量并計算足跟骨處的超聲速度、寬帶超聲衰減值和硬度系數(shù)。

Testing of laser, optical attenuation of the system without distortion, no lens aberrations.

對測試激光，光學系統(tǒng)實現(xiàn)了衰減無畸變，透鏡無像差。

These features should be noted: size, shape, echogenicity, margin features, orientation, and attenuation (eg, shadowing or enhancement).

這些特征應該被記錄：大小、形狀、回聲反射性、邊界、方位和衰減（例如：減弱或增強）。

Then, an analysis of filtering strategy effect led to the norm condition of optimal H-infinity filtering disturbances attenuation gene.

然后通過對估計策略的影響分析，得到了“最優(yōu)H-infinity濾波擾動衰減因子范數(shù)條件”。

Meanwhile, the existence of the acoustic attenuation coefficient benefits the axial resolution.

同時，聲衰減系數(shù)的存在有利于軸向分辨率的提高。