瞬磁變 的英文怎麼說

中文拼音 [shùncíbiàn]
瞬磁變 英文
transient magnetic variation
  • 瞬 : Ⅰ名詞（眼珠一動; 一眨眼） wink; twinkling Ⅱ動詞（眨眼） wink
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  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. Applied research on instant - change electric magnetic method applied to probe water bearing zone under floor of mine roadway

    瞬變電磁法在巷道底板含水層探測中的應用研究
  5. Moreover, the block time - recursive 2 - d rdgt algorithms and their unified parallel lattice structure implementation are extended from 1 - d rdgt case. three applications of the rdgts are investigated : gabor representation for transient signals via the rdgts, mnr fid signal enhancement via the oversampled gabor transforms, representation and approximation of time - varying systems via the rdgts. the experimental results show the efficiency and advantages of the rdgts in applications

    研究了基於實值離散gabor變換的瞬變信號表示演算法、基於過抽樣實值離散gabor變換的核磁共振fid信號增強演算法以及基於實值離散gabor變換的線性時變系統表示與逼近方法，實驗結果驗證了實值離散gabor變換在應用方面的優越性和有效性。
  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. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  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. Gamma ray bursts are high - energy transients in the gamma ray portion of the elctromagnetic spectrum that seem to be isotropically distributd in the sky

    珈瑪射線爆發是一種在天空中呈現等向分佈之電磁波中珈瑪射線部分的高能瞬變。
  10. Three dimensional geologic body forward is a highlight of tem study

    三維地質體的正演是瞬變電磁法研究的一個熱點。
  11. Numerical simulation for 3 dimensional geologic bodies with different electric property parameters, which is conducted under the way of central loop tem, is the theoretical foundation for understanding its electromagnetic response characters and developing new interpreting methods

    摘要不同電性參數的三維地質體在中心回線瞬變電磁觀測方式下的數值模擬是認識其電磁響應特徵規律並進而開發新解釋方法的理論基礎。
  12. Analysis of the effect by using tem detecting water filled gob area in no. 2 mine, yangquan mine group

    瞬變電磁法在陽泉二礦探測積水采空區效果分析
  13. The relative exploration methods include : tem, csamt, seismic prospecting for metal deposits, geophysical prospecting in well, deep penetrating geochemical exploration, high resolution magnetic, and high resolution gravitational exploration

    相關的找礦技術包括時間域瞬變電磁法（ tem ） 、可控源音頻大地電磁法（ csamt ） 、金屬礦地震方法、井中物探方法、深穿透地球化學方法、高精度磁法、高精度重力等。
  14. 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。
  15. 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。
  16. 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。
  17. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直線感應電動機二維非線性渦流場進行了數值計算，並在此基礎上，運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的瞬態特性進行了模擬分析，得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線，通過改變直線電機參數，分析了電機氣隙對其瞬態性能的影響。
  18. 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。
  19. Application of tem in geological exploration

    時間域瞬變電磁法在地質勘查中的應用
  20. Study on detection method of early signal in tem

    瞬變電磁勘探中早期信號的檢測方法研究
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