rain attenuation 中文意思是什麼

rain attenuation 解釋
雨致衰減
  • rain : n 1 雨，下雨；〈pl 〉陣雨。2 雨天；〈the rains〉（熱帶地方的）雨季；〈the rains〉大西洋北緯4 10度...
  • attenuation : n. 1. 變薄，變細。2. 減少，減弱。3. 稀釋。4. 【物理學】衰減。
  1. In this paper, firstly, by means of analyzing some rain attenuation experimental results, the raindrop size distributions applied to various climatic regions in china, are discussed

    首先通過分析雨衰減的一些實驗結果，討論能用於中國各氣候帶的雨滴譜。
  2. The prediction methods of rain attenuation for design of terrestrial and earth - space systems are also introduced

    文中還介紹了用於系統設計的雨衰減預報方法。
  3. At short microwave and long millimeter wave bands, the ratios of the rain - induced attenuation on up - link to down - link are estimated on earth - space slant paths. a comparison of the prediction results with the experiment data in boston and kashima areas is carried out

    在微波和毫米波低端，預測了地一空路徑上、下行鏈路雨衰減的比率，並與美國波士頓和日本kashima地區的實驗數據進行了比較，結果一致性較好。
  4. Using the dsd models and forward scattering amplitude computed by the least squares fitting method, the specific attenuations at l - 400ghz have been computed and analyzed, the parameters of " power law " relation between specific attenuation and rainfall rate are obtained. the specific attenuations in qingdao, guangzhou and xinxiang are compared with itu - r specific rain attenuation models

    利用平均雨滴尺寸分佈和點匹配法計算的雨滴的前向散射數據計算和分析了青島、廣州和新鄉地區1 ? 400ghz特徵雨衰減特性，得到了特徵雨衰減與降雨率的指數關系參數，並與itu - r （ internationaltelecommunicationunion - radiocommunication ）特徵雨衰減模式進行了系統的比較研究。
  5. The analytic specific attenuation model for rain for use in prediction methods are developed, the specific rain attenuations calculated by the analytic model are in high agreement with those by the parameters tabulated in itu - r model, this model has presented to itu - r as a proposed revision to current itu - r model

    基於itu - r特徵雨衰減模式的列表參數，提出了特徵雨衰減的解析模式，該模式計算的特徵雨衰減與itu - r模式列表參數計算結果間有很好的一致性，並提交itu - r作為國際標準審議。
  6. In chapter 5, the main channel impairments, such as rain attenuation, clear air absorption and distortion due to the hpa, are covered and approaches to overcome them are suggested

    從雨衰、大氣的吸收以及高功率放大器hpa等方面對lmds系統的性能惡化等方面做了仔細的研究，並針對這些不同的情況，提出了一些建議性解決方法。
  7. The specify attenuation, attenuation and scattering impairment of a melting layer have also been predicted at various rainfall for 6, 10, 20, 30ghz. the results calculated show that the attenuation due to melting layer are more than the attenuation induced by the identical thickness rain

    在6 、 10 、 20 、 30ghz時，計算了不同降雨率融化層的特徵衰減、衰減和散射損耗，結果表明融化層的衰減較同厚度雨區的衰減為大。
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