降雨高度是地-空路径雨衰减预测中最重要的参数之一。
The rain height is used as one of the most important parameters, to predict rain attenuation along an Earth-space.
基于降雨衰减机理,利用雨介质的等效介电常数模型计算了降雨的特征衰减。
Based on the mechanism of rain attenuation, the special attenuation by rain is calculated by the equivalent dielectric permittivity model.
由分钟降雨率等值线图和雨衰减等值曲线图,可以看出,降雨大的地方和雨衰减大的地方是一致的。
From the contour map of minute rainfall rate, we can see that, the he heavy rainfall areas are coincident with serious rain attenuation areas.
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。
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.
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。
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.
并利用在北京获得的实测数据,对北京地区星—地雨致衰减的特点进行了分析。
Using the experimental data obtained in Beijing, the characteristics of slant path rain attenuation in Beijing area are analysed.
本文综述了影响星—地路径雨致衰减的主要因素。
The main factors influencing on slant path rain attenuation are summarized.
作为海上用绳索,导致性能衰减的原因包括拉伸、磨损、日晒、雨淋以及海水腐蚀等。
For Marine ropes, there are variant factors which produce degradation. They include tensile, wear and tear, sunlight, raining and corrosion in sea.
摘要本文综述了影响星—地路径雨致衰减的主要因素。
Abstract: The main factors influencing on slant path rain attenuation are summarized.
摘要本文综述了影响星—地路径雨致衰减的主要因素。
Abstract: The main factors influencing on slant path rain attenuation are summarized.
应用推荐