传播衰减 meaning in English
propagation attenuation
Examples
- Attenuation mechanism and application study of high impulse electromagnatic wave propogation of gpr
探地雷达高频电磁波传播衰减机理与应用实例 - Acoustics - attenuation of sound during propagation outdoors - part 1 : calculation of the absorption of sound by the atmosphere
声学户外声传播衰减第1部分:大气声吸收的计算 - When electrical parameter is changd by wet tunnel wall , electromagnetic wave propagation attenuation will vary
摘要矿井隧道壁湿润会引起电参数改变，从而使电磁波传播衰减率发生变化。 - Acoustics . measurement of the acoustic insulation of building and building components . laboratory measurement of the reduction in transmission of impact noise due to floor covering and floating floors
声学.住宅和建筑构件隔音能力测量.地板和活动垫板撞击噪音传播衰减的实验室测量法 - Integrated the monitoring data collected from the scene of blast with the correlative theory of earthquake wave , the blast vibration characteristic of this underground blast engineering and the influence that the blast vibration act on the ground buildings are analyzed . applied the method of duality linearity regression analysis , the propagation attenuational laws of blast earthquake wave in this underground engineering are gained by this software matlab . the analysis results indicat that the attenuational laws of blast earthquake wave are obvious diversity in the condition of difference distances
结合采集到的大量爆破振动现场实测数据,并应用地震波的相关理论,分析了该地下工程开挖爆破的地面爆破振动特性及爆破振动对地面建(构)筑物的影响;应用二元线性回归分析法,通过matlab软件计算得出该地下工程开挖爆破地震波的传播衰减规律;分析结果表明,不同距离下的地面爆破地震波的衰减规律存在明显的差异,近距离条件下爆破地震波的垂直方向分量衰减最慢,远距离条件下垂直方向分量衰减最快,远距离的爆破地震波的垂直方向分量和水平径向分量的衰减指数均要比近距离相应的爆破地震波衰减指数要大。