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題 名 | The Error Performance of Land Mobile Satellite Communication System under Nonlinearity and Fading=以非線性特性及衰減效應分析地面行動衛星系統之錯誤評估 |
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作 者 | 曾國雄; | 書刊名 | 臺北科技大學學報 |
卷 期 | 33:2 2000.09[民89.09] |
頁 次 | 頁15-24 |
分類號 | 448.813 |
關鍵詞 | 地面行動衛星; 衰減效應; 系統表現; Land mobile satellite; LMS; Fading factor; System performance; |
語 文 | 英文(English) |
中文摘要 | 本文以數值分析方法評估地面行動衛星通訊系統的表現,主要著重在衛星之非線 性特性及衰減效應。本文以雙變數模式描述衛星之非線性特性,以萊遜(Ricean)模式來說衰 減效應。結果顯示,當接收到訊號所含的主要訊號微弱時,系統的表現是較差的。 |
英文摘要 | A numerical soluion for the evaluateion of error performance of land mobile satellite (LMS) communication is presented. Our main concerns are on the nonlinearity of Traveling Wave Tube Amplifier (TWTA) and the fading factor in LMS communication. In this paper, two-parameter model is used for TWTA and the fading channel is modeled as Ricean statistics. Results show that the system performance is worse when the Line of Sight (LOS) component of the received signal is weak in the LMS communication system. |
本系統中英文摘要資訊取自各篇刊載內容。