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- energy attenuation model 能量衰减模型
- In initial stage of decomposition, litter loss accorded with an exponential attenuation model. 分解初期,枯枝落叶的损失符合指数衰减模型。
- The existence of various defects in the bolt bonding system results in acoustic wave energy attenuation, phase aberration and frequency scattering. 摘要锚固体系中存在不同大小和程度的缺陷时，声波在传播过程中将产生能量衰减、相位突变及频散现象。
- Abstract: On the basis of ultrasonic attenuation model, a portable detector used in void content of carbon-fiber reinforced plastics in aeronautic field is developed. 摘 要: 摘要针对航空领域专用的碳纤维复合材料板材，以超声波的声衰减模型为基础，研制了用于孔隙率检测的便携式超声仪器。
- Case studies demonstrated that in tunnel engineering investigations,because of tantivy seismic wave energy attenuation,besides appropriate seismic prospecting method,field setup a... 实例说明,在隧道工程勘探中,因地震波能量衰减较快,除了选择合适的地震勘探方法、观测系统及工作参数外,还应特别注意选择较小的偏移距及道距。
- When radar signals propagate in the atmosphere,the absorption and scattering of air molecule,aerosol particles,dust and cloud,fog and rain result in energy attenuation of ladar signals. 激光雷达信号在大气中传输时,大气中的气体分子和大气气溶胶粒子、尘埃、雾、雨等对激光信号的吸收和散射导致光信号能量的衰减是影响激光雷达信号传输的重要因素。
- Result shows that monomial exponential attenuation model can be used to simulate decay process of fallen woods. The decomposition constant of Abies fallen wood is 0.0168/a(r 2=0.9483),while fallen wood of Picea is 0.0150/a(r 2=0.8895). 研究表明 ;云冷杉倒木的腐烂分解过程符合单项指数衰减模型 ;冷杉倒木的分解常数为 0 .;0 1 6 8/a( r2 =0
- Considering the nonlinear affects of various parameters on rain attenuation,we propose a new rain attenuation model based on evolutionary neural network and compare it with the ITU-R model. 本文在考虑多个参数对雨衰减非线性影响的基础上,建立了基于进化神经网络的雨衰减模型,并与ITU-R模型进行了比较。
- elastic energy attenuation degree 弹性能衰减度
- energy attenuation characteristics 能量衰减特征
- By sea clutter and ground clutter modeling,electron jammer modeling atmosphere attenuation modeling,the cruise missile flight con. 通过建立杂波模型、电子干扰模型以及大气衰减模型,分析了巡航弹飞行环境对雷达探测性能的影响。
- In this paper,discussions are made on the widely applied intensity attenuation models of seismic hazard analysis: the point-source model introduced by Cornell,C. A. and the fault-rupture model given by Der Kiureghian and A. 本文讨论在地震危险性分析中目前使用广泛的地震烈度衰减模型;即Cornell建立的点源模型和洪华生(A.;H-S
- sound propagation attenuation model 声传播衰减模型
- Sato's single-scattering attenuation model Sato单次散射模型
- The energy attenuation of the aftershock sequence in Yunnan area 云南地区余震序列的能量衰减
- A Study about Energy Attenuation of Planar Pulses in Far-Zone 平面电流脉冲远区能量衰减特性研究
- For GIS with L-type and T-type structure, after the signal passing through these structures the signal energy attenuates remarkably. 对于L型及T型结构的GIS，在经过L型及T型结构后，信号能量衰减很大。
- Because shock energy attenuates rapidly in porous materials, an impact can heat the rocks bordering the deep crater very efficiently. 因为冲击波的能量在多孔隙物质中快速减弱，撞击能使上述深陨石坑附近的岩石有效加热。
- attenuation model of earthquake intensity in coalfield 矿震烈度衰减模型
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
