pulse electromagnetic system 中文意思是什麼

pulse electromagnetic system 解釋
脈沖電磁法
  • pulse : n 1 脈搏；有節奏的跳動；【動物；動物學】脈沖（波）；脈動。2 意向；傾向。3 【音樂】拍子，律動。vi ...
  • electromagnetic : adj. 電磁的。
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. In 1992, a. enders and g. nimtz researched the propagation of microwave signal through several different cutoff waveguides with hp8510b network analyzer ( na ) system and hp70820 transition analyzer ( ta ) system. since 1990s, emig, martin and landauer have been investigating the propagation of electromagnetic pulse through a waveguide with piecewise different dielectric constants

    1992年，德國科隆大學的enders和nimtz採用hp8510b網路分析儀系統和hp70820轉換分析儀系統研究了不同結構的截止波導中的信號傳播，並計算出調制音樂穿過截止波導的時間小於其在真空中的傳播時間。
  2. In 1992, a. enders and g. nimtz researched the propagation of microwave signal through several different cutoff waveguides with hp8510b network analyzer ( na ) system and hp70820 transition analyzer ( ta ) system. since 1990s, emig, martin and landauer have been investigating the propagation of electromagnetic pulse through a waveguide with piecewise different dielectric constants

    1992年，德國科隆大學的enders和nimtz採用hp8510b網路分析儀系統和hp70820轉換分析儀系統研究了不同結構的截止波導中的信號傳播。從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖波的傳播。
  3. The paper contains all kinds of knowledge related to the system, including maxwell electromagnetic theory, pattern of optical radiation in space, channel model of atmosphere communication, computer communication protocols, wireless lan communication protocols, medium access control protocol, carrier sense multiple access / collision detection protocol, manchester coding theory, pulse position modulation coding theory and so on

    主要包括： maxwell電磁理論；發送光場模型；空間通道模型；計算機網路通信技術：無線局域網通信技術；媒體訪問控制規程（ mac ） ；載波檢測多址接入碰撞檢測規程（ csma cd ） ；曼徹斯特編碼與ppm編碼技術等。
  4. In this dissertation, the principle of fem in em was discussed, then the pulse radar and three - layered pavements were analyzed with 20 - noded and 4 - noded isoparametric elements respectively. then, corresponding fem programs are compiled in fortran90. so a forward model was built up to describe the transmitting of electromagnetic in the radar and pavements, according to the system identification method

    針對上述情況，本文系統闡述了電磁場有限單元法的基本原理，然後採用二十節點、四節點等參單元分別對pulse雷達實體及三層路面系統進行了靜態場和時變場的有限元分析，初步建立了電磁波在三層路面中傳播的正演模型，同實測波形相比，模擬效果較好，並用fortran90語言編制了相應的三維、二維有限元程序，具有較好的可讀性和可移植性。
  5. Specification for safety protection against lightning electromagnetic pulse on computer information system

    計算機信息系統.雷電電磁脈沖安全防護規范
  6. Thanks to the support of the national natural science foundation of china under grand no. 50277036 for " the pulse electromagnetic fields and system - level em radiation of electric vehicles ", this thesis concentrated on the design of the variable voltage and variable frequency ( vvvf ) system and the development of a genetic algorithm for vector optimal design problems. the work includes mainly four parts : a brief introduction of the frequency - converter, the emc design of the vvvf system and the national standard of the electromagnetic interference of the vvvf system, the study of global search optimization algorithms, and an improved genetic algorithm called emigration genetic algorithm for multi - objective optimal problems

    在國家自然科學基金資助項目《電動汽車脈沖電磁場與系統級輻射的研究》的工作基礎上，本文對電動車電磁輻射關鍵部分? ?變頻調速系統的電磁兼容性設計以及在電磁兼容性設計中涉及到的電磁系統的多目標優化方法進行了系統的分析和研究，其核心內容包括：變頻器工作原理；變頻調速系統電磁兼容性設計及變頻調速系統電磁兼容標準；隨機類全局優化演算法研究；提出了一種改進的遺傳演算法命名為遷徙遺傳演算法。
  7. Taking the impulse current generated system ( icgs ) as an example, the typical structure of the industrial control system is introduced and the technical measures for lightning protection are put forward based the structure and the approach of the lightning damage, so as to ensure the safe operation of industrial control system and avoid electromagnetic pulse jamming

    摘要以icgs雷電沖擊試驗平臺為例介紹了工業控制系統的典型結構，根據其結構的電氣特點及雷電造成危害的可能途徑，對工業控制系統的雷電防護提出全面具體的技術措施，從而保證工業控制系統正常安全的運行，免受電磁脈沖干擾的危害。
  8. When the stationary working current is lower than the critical current of the electromagnetic - elastic system, a numerical program is established to simulate the dynamic responses of the deformation of the current - carrying magnet subjected to a pulse current with rectangular shape

    結合其超導載流磁體的實驗結構，給出了超導磁體在不同穩態工作電流（即低於穩態的磁彈性失穩臨界電流）作用下受到矩形脈沖電流作用時的磁彈性動力響應的數值模擬結果。
  9. This paper has analyzed the characteristics of near - field electromagnetic fields and the measurement principle of magnetic - field sensor, and designed probe, amplifier unit and compensator according to measurement needs. finally, based on the electromagnetic pulse simulator in the lab, a set of experiments have been done on the designed magnetic fields measurement system and analyzed the error of the measurement system

    文中分析了近場電磁場分佈的特點；研究了磁場探頭的測量原理；根據實際測量需要製作了磁場探頭、設計了信號放大單元和用於補償電纜信號衰減的補償器；最後利用實驗室的電磁脈沖模擬器對所設計的磁場測量系統進行了一系列實驗，分析了系統的測量誤差。
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