electromagnetic transient 中文意思是什麼

electromagnetic transient 解釋
電磁暫態過程,電磁瞬變過程
  • electromagnetic : adj. 電磁的。
  • transient : adj 短暫的，一時的；過渡的；匆匆而過的；易逝的；虛幻的，無常的 （opp lasting permanent）; 【物理...
  1. Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission

    瞬變電磁法是一種時間域電磁測量方法，是利用不接地回線或接地線源向地下發送一次脈沖磁場，在一次脈沖磁場的間歇期間，採用不接地線圈接收感應二次磁場。
  2. We can see the result from actual data : this method are resultful in wiping off the noises of transient electromagnetic signal

    實際資料處理結果表明：該方法對去除瞬變電磁晚期信號的噪聲干擾有很好的效果。
  3. It detailed analyzes the characteristics of symmetric semi - space, layered telluric medium of transient electromagnetic methods, deduces apparent resistivity ( ps ) formulae of earlier, later and whole stage channels, it also analyzes and deduces the tem response effect of local conductive body in high resistance medium and its apparent resistivity formula, inquires into the causing reason, distinguishing method and the way of eliminating or reducing its effect of tem additional effects

    第二章瞬變電磁法的理論基礎，較詳細地分析了均勻半空間、層狀大地瞬變電磁場的特徵，推導了早期、晚期及全期道視電阻率s公式；以及高阻圍巖中局部導電體的瞬變電磁響應和相應的s公式推導。
  4. Shielding schemes of computer vdu are suggested through transient electromagnetic scattering analysis. method of time - domain integral equations is used here. a new soft - tempest method is found to strengthen protection capability of electromagnetic information leakage

    用時域積分方程法，通過瞬態電磁場分析推薦了計算機顯示器的屏蔽方案，提出soft - tempest技術的新措施以加強信息電磁泄漏防護； 4
  5. The research work presented in this dissertation provides an efficient approach to analyze the dielectric objects and metal - nonmetal composite objects ’ transient electromagnetic scattering phenomena, as well as a solid foundation for the further development in this subject

    本文的工作為分析介質體、金屬非金屬組合目標時域電磁散射現象提供了有效的方法途徑，也為運用時域積分方程求解結構更為復雜、尺寸更為電大的金屬非金屬組合目標的研究打下了堅實的基礎。
  6. Application of transient electromagnetic techniques to grouting reconstruction of lower confining bed

    瞬變電磁技術在煤層底板含水層注漿改造中的應用
  7. Then, it summarizes the present situation of geophysical methods, and presents an introduction to some methods such as mine direct current method, mine transient electromagnetic method and geological radar exploration

    本文簡要介紹了我國煤礦生產的發展趨勢，說明地質構造及煤層頂、底板水問題是當前煤礦深部開采中所面臨的主要地質問題。
  8. The characteristics and the design concepts of the transient electro - magnetic methods system design of predecessors will be analyzed detailedly in this thesis, on the foundation, the transient electromagnetic exploration system based on dsp ( digital signal processor ) and usb ( universal serial bus ) was designed, in which the transmitter and receiver have been integrated together for the sake of better operation for exploration

    在總結前人在系統設計的基礎上，成功設計和實現了一套基於dsp （ digitalsignalprocessor ）和usb （ universalserialbus ）技術的瞬變電磁探測系統，本論文就該系統的設計思想和原理進行了詳細論述和分析。
  9. Point type heat fire detector meets the requirements of gb4716 - 1993. the test itemsinclude electrostatic discharge, radiated electromagnetic fields, and electrical transient bursts

    點型感溫火災探測器應符合gb4716 - 1993標準的要求。檢測項目有：靜電放電；輻射電磁場；電快速瞬變脈沖群。
  10. It can match multi - channels transient electromagnetic apparatus if this method comes true, further, connect data collection technology with imaging software system. in conclusion, it will immit new energy for exploration means of transient electromagnetic method, moreover its production will in practically have great significance to tem applying and generalizing

    如果實現瞬變電磁多孔徑技術，即可配合多通道瞬變電磁法儀器，將多道數據採集技術和成像軟體系統結合，將對瞬變電磁法這一勘探手段的實際應用注入新的活力，所研究的成果將對瞬變電磁法的應用和推廣具有很大的實際意義。
  11. According to the electromagnetic induction principle of transient electromagnetic methods, it discusses some of the forward theory and calculated method of tem

    並依據瞬變電磁法的電磁感應原理，對其正演理論計算方法進行了一些探討。
  12. Transient electromagnetic methods ( tem ) can be called as time domain electromagnetic methods. the exploration equipments of tem include two units : transmitter and receiver. emission current falls down from i to 0 suddenly when step current passes through the transmitter loop

    瞬變電磁探測需要發射的電流激勵信號要足夠強、功率足夠大，發射電流波形的關斷時間要求比較苛刻，而且發射部分還需提供實時監測發射電流、關斷時間，記錄電流下降沿等功能。
  13. This paper introduces the situation of mine earthquake happened in the uptown in tongjialiang mine and the geological condition, probes into the working principles and procedures of transient electromagnetic method and high - density resistivity method, determines the worked - out section and worked - out scope

    介紹了同家梁礦住宅區發生礦震的情況和地質概況，探討了瞬變電磁法、高密度電阻率法的工作原理和程序，確定了礦震區域的采空層位和采空范圍。
  14. By using it, we find many big and rich metal ore beds, resolve floodwater and so on. by these effective practice achievements, it proves that transient electromagnetic methods has wide prospect of application and development

    實踐結果找到了多個大而富的金屬礦床，並解決了泄洪防澇的燃眉之急，從理論和實踐上證明了瞬變電磁法有著廣泛的應用和發展前景。
  15. ( 3 ) the law and characteristic of electromagnetic transient process for the switching overvoltage in the electric network of power stations have been studied by analyzing the electromagnetic transient process of switching overvoltage in power station and specially approaching the surge overvoltage transferred from the switchgear station through power transformers

    （ 3 ）通過分析廠站操作過電壓的電磁暫態過程及特性，特別是對超高壓開關站中的操作過電壓通過升壓電力變壓器傳遞的傳遞過電壓進行分析研究，研究了廠站電氣網路中過電壓的電磁暫態變化規律及特性。
  16. Therefore, the main contents and the creative results of this paper are described as follows : ( 1 ) the on - line safety forecast theory for switching overvoltage of large power stations based on the field - circuit analysis is presented by analyzing the electromagnetic transient for electric network of large power stations

    針對該研究課題，本文的主要內容及創新性成果如下： （ 1 ）通過對大型電站電氣網路電磁暫態過程的分析研究，提出了一種基於場路綜合分析的廠站操作過電壓在線安全預測理論。
  17. In this thesis we use electromagnetic transient program ( emtp ) to simulate and study those two kinds of overvoltage ; and research how to use moa and rc devices to reduce them basing on multi - exponential moa model and principle of rc device. at the same time, based on l - r damping principle, researches are made on the feasibility of restricting overvoltage by l - r device. thus methods of ensuring the parameters of these devices are concluded

    本文利用電磁暫態計算程序（ emtp ）對上述兩種過電壓進行了模擬計算研究；同時，基於moa多指數模型和rc裝置原理研究了如何使用moa和rc裝置來對過電壓進行限制；基於l - r阻尼原理探討了使用l - r裝置限制過電壓的可行性；並得出了以上保護裝置的參數確定方法。
  18. The mathematical model of synchronous generator in the electromagnetic transient process and load of ship power station are given in this paper

    本文給出了同步發電機電磁暫態過程實用模型和船舶電站負荷的數學模型。
  19. The performance of the proposed technique was simulated on the electromagnetic transient program, emtdc. the results of simulating show that the technique is effective and robust

    本文在大型電磁暫態模擬軟體emtdc的平臺上進行了大量模擬，模擬結果驗證了該方法的正確性。
  20. According to the complicated electromagnetic transient state process of the passive feedback coils, a method that can be used to calculate the equivalent time constants and the electrical parameters are given in this paper. these parameters are important to the design of the device and the power system, and also provide the evidence for the experiment of controlling the plasma unstability

    針對被動反饋線圈電磁暫態過程的復雜性，給出了求解線圈等效時間常數和電氣參數的方法，這些參數不僅對裝置的設計和電源系統的設計是重要的，而且為控制等離子體垂直位移不穩定性的實驗提供了依據。
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