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- 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。
- An earth-space path rain attenuation model based on evolutionay neural network 基于进化神经网络的地空路径雨衰减模型
- rain attenuation model 粒子流衰减模型
- 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。
- 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。
- A new prediction model of rain attenuation of terrestrial line-of-sight systems 视距链路的雨衰减预报模式研究
- Method Discussion in Rain Attenuation Estimation 雨衰估算方法的演变与问题
- 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
- 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。
- The Analysis of Rain Attenuation in Satellite Communication Link 卫星通信链路中的雨衰动态特性分析
- Study of rain attenuation of Ka-band satellite communication system Ka卫星通信系统中雨衰分析
- Study of the rain attenuation in the satellite broadcast of Ku band Ku波段卫星广播中雨衰现象的研究
- 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
- No sooner had we left the village than it began to rain. 我们刚离开村子，天就下起雨来了。
- Analysis and Solution to Rain Attenuation of Ka-band Satellite Communication Ka频段卫星通信雨衰分析及解决对策
- Analysis and Solution to Rain Attenuation of Ku-band Satellite Communication Ku波段卫星通信雨衰分析及对抗措施
- There will be rain in all parts of the country. 全国各地将有雨。
- It looks as if it will rain before long. 看起来一会儿就要下雨了。
