mode envelope 中文意思是什麼

mode envelope 解釋
波模包跡模式輪廓
  • mode : n 1 法,樣,方法,方式。2 模,型;樣式,體裁,款式;習慣。3 風尚;〈the mode〉流行,時髦。4 【語...
  • 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。
  1. Feature analysis for the envelope of liver ' s m - mode ult rasound images

    型超聲圖像運動包絡的特徵分析
  2. The paper discusses the development of web, browser / server mode conception and the content and mechanism of network security based on web, and also describes the basic conception and system of cipher theory, symmetric - based data encryption standard and advanced encryption standard and asymmetric - based rsa. it presents a detailed design of secrecy net of digital government, and advances a des - and - rsa - based security model of information exchange, which makes use of symmetric cryptographic algorithm to encrypt plaintext, and introduces public - key algorithm rsa to encrypt session key to compose digital envelope and to realize digital signature

    本文論述了web的發展及其browser / server模式概念,以及基於web的網路安全的內容與機制;闡述了密碼學的基本概念、分類,對稱密鑰密碼體制des與aes以及公開密鑰密碼體制rsa ;最後,利用一種基於des和rsa的信息交換安全模型,詳細地給出了一個數字政府的保密網系統設計方案。
  3. 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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