頁籤選單縮合
題 名 | Ka波段之電波傳播特性及雨衰減之影響=Characteristic of Wave Propagation on Ka-Band and Affects of Rain Attenuation |
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作 者 | 張緒萍; 施順鵬; | 書刊名 | 海軍學術雙月刊 |
卷 期 | 48:4 2014.08[民103.08] |
頁 次 | 頁121-129 |
分類號 | 448.8 |
關鍵詞 | 雨衰減; 邁散射; 中華衛星一號通訊實驗籌載; 降水粒子; 偏極化的損失; 閃爍效應; 大氣折射指數; 大氣背景雜訊; 自由空間衰減; Rain attenuation; Mie scattering; FORMASAT-1 communication experiment payload; Precipitation particle; Loss of polarization; Scintillation effect; Atmospheric refraction index; Atmospheric background noise; Free space loss; |
語 文 | 中文(Chinese) |
中文摘要 | 近年來衛星通訊業務種類日益繁多,使得世界各國普遍使用的C頻段 及Ku頻段頻道愈來愈擁擠而日漸飽和。因此Ka波段衛星通訊系統將成為 衛星通訊的明日之星。Ka波段較C、Ku頻段受降雨及大氣氣體吸收的衰減 較為嚴重。本文將探討ka波段之電波傳播特性及雨衰減之影響。另外, 目前海軍是國軍中擁有衛星通信站台數量最多,且使用衛星通信最頻繁 的專業軍種。本文提供實際操作衛星通信裝備之海軍官兵,當降雨或濃 霧等氣候不良狀況衛星通信鏈路斷訊時,雨衰減與電波傳播特性也可以 列入故障排除時之重要考量因素。 |
英文摘要 | There is a wide range on satellite communications business type in recent years, it make increasingly crowded and increasingly saturated for use of channel of C-band and Kuband. Ka-band satellite communications systems will become a rising star. However, the absorption of rainfall and atmospheric gases attenuation for Ka-band are more serious than C, Ku-band. This article will discuss the feature of wave propagation on Ka-Band and affect of rain attenuation. In addition, the Navy currently has the largest number of satellite communication station in the military, and is the professional armed services of most frequent use of satellite communications. This article provides to the sailors who are practical operation of satellite communication equipment,When satellite communications link is interruption caused by rain or fog and other bad weather condition, rain attenuation and wave propagation properties can also be included in the troubleshooting of the important considerations. |
本系統中英文摘要資訊取自各篇刊載內容。