i-phase carrier 中文意思是什麼

i-phase carrier 解釋
i相載子
  • i : pron (pl we ) 〈人稱代詞,第一人稱,單數,主格。 (poss adj my; obj me; poss pro mine ) 〉我。...
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • carrier : n 1 運送人,搬夫;負荷者;使役,〈美國〉信差,郵遞員;送報人;〈英國〉運輸行,運輸業者。2 傳書鴿...
  1. In the thesis, i introduce the theory and application of gps carrier phase measurement, analyze the errors in the observation of gps signal, study the ways to reduce these errors, specially for the error caused by multipath

    論文介紹了gps載波相位測量技術的原理和應用,分析了gps觀測量的誤差,研究了減小和消除各種誤差的方法,重點是減小多徑效應的影響。
  2. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  3. In this paper, i emphasize the key technology in the aircraft ' s real - time positioning - the method to fix the integer ambiguity of gps carrier phase

    本文著重研究機載gps精密定位系統的關鍵技術? ?確定載波相位整周模糊度的方法。
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