脈波密碼 的英文怎麼說

中文拼音 [mài]
脈波密碼 英文
pulse code
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 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. Traditional laser iff has poor security because of low frequency of laser beam coded pulse. this can be greatly improved when the pulses are modulated by continuous wave laser, but the power of this laser beam output is so low that it ’ s difficult to be detected and received by laser warning subsystem

    傳統的激光敵我識別器激光編沖頻率低,通信保性差,使用連續激光器經調制后激光編沖頻率高,保性好,但輸出激光功率較低,難以達到激光告警分機探測接收的要求。
  2. The work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal. the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence. it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals

    本文圍繞著多載相位編信號在信號設計與信號處理的若干關鍵問題進行了研究,主要做了以下工作:描述了多載相位編信號( multicarrierphasecoded ,簡稱mcpc )的信號形式,給出了其數學模型,對其中相位編序列的構成方式與特性進行了分析;從單沖和沖串兩種信號形式入手,對多載頻相位編信號的參數在自相關函數、功率譜度和模糊方程上的影響作了詳細地討論,對不同調制方式的單沖和沖串信號進行了比較。
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