恆比碼 的英文怎麼說

中文拼音 [héngbǐmǎ]
恆比碼 英文
constant ratio code
  • 恆 : Ⅰ形容詞1 （永久; 持久） permanent; lasting 2 （平常; 經常） usual; common; constant Ⅱ名詞1 （恆心...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  1. By theory and practice simulation, the several types of constant envelope modulation techniques are analyzed and compared, including theirs modulation principle, phase path, the modulated wave envelope, power spectrums, error bit rate and the influence of its power spectrums of the band - limited and non - linear, etc. especially we have researched the ijf - oqpsk modulation technique, and the performance of its inter - symbol interference and time jitter free, and its strongly resisting of spectral spreading

    結合理論和實驗模擬結果，分析討論了衛星通信中的各種恆包絡調制技術，對它們的調制原理，相位路徑，已調波包絡，功率譜密度，誤碼性能，以及帶限非線性通道對其功率譜的影響等方面都作了研究和比較。特別研究了ijf ? oqpsk在消除碼間干擾和定時抖動方面的性能及其優良的旁瓣特性和抑制頻譜擴展特性。
  2. The two calibration projects are both based on de - spreading the reference signal. because they require a prior knowledge of the auxiliary signal, such as pn spread code, doa, constant modulus and so on, the fast and robust convergence can be ensured, and the multiple - access interference ( mai ) can be eliminated

    由於利用了輔助信號源的先驗知識，如擴頻碼、輔助信號的doa 、比特信息及恆模特性等，有源校正技術不僅克服了自校正技術收斂慢的弱點，還消除了不利於校正的多徑影響。
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