2) 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。
3) attenuation due to rain (rain attenuation)
降雨衰减(雨衰)
4) rain attenuation coefficient
降雨衰减系数
5) rainfall characteristics
降雨特性
1.
A series of detailed tests and researches on the rainfall characteristics had been operated,including rainfall intensity,distribution uniformity, diameters and impacting velocities of the raindrops,kinetic energy of the rainfall,etc.
该研究在天然降雨的观测基础上,根据室内侵蚀模拟试验的特点,设计了两种降雨模拟试验系统,并对该系统的降雨特性进行了率定和分析研究。
2.
By analysis the rainfall characteristics in Baoji city, the possibility of carry out rainwater utilization in Baoji city was pointed out, and based.
通过分析宝鸡市的降雨特性,指出了宝鸡市可开展雨洪利用的可能性,并利用本文所建立的雨洪蓄滞原理,在宝鸡市北坡生态公园的中心广场进行了雨洪利用的规划设计。
6) rainfall characteristic
降雨特性
1.
Case study was also carried out for proper design of the concave-down greenbelt based on the 20-year statistical data of the hourly rainfall characteristic parameters in Shanghai area.
提出了评估城市下凹式绿地蓄渗降雨径流长期运行效率的概率分析方法,并基于上海市近20年的小时降雨特性参数统计数据对上海市下凹式绿地的设计进行实例研究。
补充资料：贺李观察祷河神降雨
【诗文】：
质明斋祭北风微，驺驭千群拥庙扉。玉帛才敷云淡淡，
笙镛未撤雨霏霏。路边五稼添膏长，河上双旌带湿归。
若出敬亭山下作，何人敢和谢玄晖。
【注释】：
【出处】：
全唐诗：卷269_32
质明斋祭北风微，驺驭千群拥庙扉。玉帛才敷云淡淡，
笙镛未撤雨霏霏。路边五稼添膏长，河上双旌带湿归。
若出敬亭山下作，何人敢和谢玄晖。
【注释】：
【出处】：
全唐诗：卷269_32
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