自動小交換機 的英文怎麼說

中文拼音 [zìdòngxiǎojiāohuànjī]
自動小交換機 英文
private automatic exchange
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 交 : Ⅰ動詞1 （把事物轉移給有關方面） hand over; give up; deliver 2 （到某一時辰或季節） reach （a cert...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 機 : machineengine
  • 自動 : 1 （自己主動） voluntarily; of one s own accord 2 （不憑借人為的力量） automatic; spontaneous 3 ...
  1. Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed

    本論文主要關注小波分析在電機性能自動測試系統中的應用，針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足，以直流電機為例，提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路；較系統地總結了時頻分析和小波變換的基本理論，深入探討了基於小波脊線和小波曲線的瞬時頻率提取，並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。
  2. Private automatic branch exchange pabx

    專用自動小交換機
  3. Development of unattended private automatic branch exchanges. two - line monophones introduced

    開發無人自動小交換機。二線制收發話機問世。
  4. With frame gather card and ccd, metallographic image which can be processed by computer is acquired after a serials of the applications of digital image technique such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. an automatic quantitative metallographic analysis system is developed with visual c + + 6. 0 to realize the measuring of the size of the metal crystalline grain, evaluation the proportion of the second tissue of the metal, micro hardness. with three - level browser / server mode and active server technology, the system gives the remote user the applying service through network to communicate and analyze the image information

    利用數字圖像處理技術，對圖像採集卡或ccd攝像頭採集到的金相圖像進行灰度轉換、二值化、噪音消除、圖像增強、邊緣提取等一系列圖像預處理，獲得計算機可以處理的數字圖像；並利用visualc + + 6 . 0開發定量金相分析系統，以實現對晶粒大小、金相組織第二相相對含量、顯微硬度等參量的自動測量；採用基於browser server的三層體系結構，通過網路訪問，並利用activeserver技術給遠程用戶提供應用服務，以便於根據圖像分析結果，給出專家分析意見，實現異地分析及交流。
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