1) rain attenuation
雨致衰减
2) Prediction of rain attenuation
雨致衰减预报
3) rain attenuation
降雨衰减
1.
Using the ITU-R rain attenuation forecasting model,and based on the rainfall data and the geographic location parameters of main cities in our country,the isograms of rain attenuation distribution for the communication satellite with the orbital location 92° E in Ka band(30/20GHz)was presentd.
利用ITU-R给出的降雨衰减预测模型,根据我国主要城市的分钟降雨率数据,计算出我国Ka波段(30/20GHz),轨道位置为92°E的卫星通信系统在线极化波情况下的降雨衰减等值线分布,此结果可作为Ka波段卫星通信系统设计的理论依据。
2.
In order to keep the transmission quality of satellite communication,and based on the analysis of rain data of China,picture of rain attenuation contours can be calculated.
降雨衰减是影响Ka波段卫星通信系统传输质量及系统性能的主要因素之一。
4) rain attenuation
雨衰减
1.
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
2.
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
3.
Prediction model of rain attenuation based on the EXCELL rain cell model for the terrestrial line-of-sight systems
基于雨胞分布的视距链路雨衰减预报模型
5) Cloud and rain attenuatiion
云雨衰减
6) rain specific attenuation
雨衰减率
1.
A new model is developed for the computation of rain specific attenuation from rain volume reflectivity,for frequencies from 1 GHz to 100 GHz,and the radar equation,maximum range and signal-to-noise ratio and signal-to-clutter ratio in rain have also been analyzed herein.
文中拟合得到了由降雨的雷达体反射率反演雨衰减率的公式,适用频率1~100 GHz,并且给出了降雨存在时的雷达方程、最大作用距离以及雷达接收信号信噪比与信杂比的变化。
补充资料：随车致雨
1.谓时雨跟着车子而降。比喻官吏施行仁政及时为民解忧。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条