...前宽频卫星通讯系统已迈向 Ka频段之开发运用，基于卫星不管是 使用Ku频段或Ka频段，它们均易受不 同程度的降雨衰减(Rain Fading)影响； 降雨衰减主要是由于电波穿透对流层 时，遭受到雨、雾、云、雪等的吸收 和散射，部份能量被吸收或散射因而 产生损耗，损耗...
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The attenuation rate of the wave band of airborne radio equipment is discussed. The influence of rainfall intensity,electromagnetic wave frequency,launching elevation angle,polarization and time probability on the rain attenuation is analyzed.
在传统降雨衰减率模型基础上,给出了电波传输地空电路模型;对机载设备各波段传输衰减率进行了仿真计算,并分析了雨强、电波频率、发射仰角、极化方式及时间概率等参数对降雨衰减的影响。
参考来源 - 降雨对机载无线电设备电磁波传输的衰减特性分析The attenuation rate of the wave band of airborne radio equipment is discussed. The influence of rainfall intensity,electromagnetic wave frequency,launching elevation angle,polarization and time probability on the rain attenuation is analyzed.
在传统降雨衰减率模型基础上,给出了电波传输地空电路模型;对机载设备各波段传输衰减率进行了仿真计算,并分析了雨强、电波频率、发射仰角、极化方式及时间概率等参数对降雨衰减的影响。
参考来源 - 降雨对机载无线电设备电磁波传输的衰减特性分析·2,447,543篇论文数据，部分数据来源于NoteExpress
在考虑多重散射效应的情况下，数值模拟了毫米波段的降雨衰减。
Considering the effect of multiple scattering, the rain induced attenuation at millimeter wave frequencies was simulated numerically.
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.
这同时也说明了，影响降雨衰减最主要的因素是0.01%时间的分钟降雨率。
It proved that the primary rain attenuation influence factor is the minute rainfall rate of 0.01% time.
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