envelope demodulation 中文意思是什麼
envelope demodulation
解釋
包絡解調- envelope : n. 1. 信封；紙袋；包封，封皮。2. 殼層，外殼。3. 【數學】包（絡）線；包跡。4. 【航空】氣囊；【天文學】包層；【生物學】包膜，包被。
- demodulation : n. 【無線電】解調，反調制；檢波。
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The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided
論文的主要工作包括四部分：第一部分研究了脈沖多普勒雷達導引頭的信號建模問題，建立了雷達信號模型，主要包括：發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式，建立了信號和數據處理模型，主要包括：加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等，然後給出了信號處理流程。 -
Application of wavelet envelope demodulation on early fault diagnosis of the rolling mill
小波包絡解調在軋機故障早期診斷中的應用 -
Application of envelope demodulation method to fault diagnosis of spring invalidation
包絡解調法在氣閥彈簧失效故障診斷中的應用 -
A new envelope demodulation method based on empirical mode decomposition ( emd ) is proposed to make up the limitation that meaningless frequencies often arise in the envelope spectrum of conventional envelope demodulation method
摘要提出了一種新的調制信號解調分析技術，來抑制傳統的包絡解調方法中經常出現的無意義的頻率成分。
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