瞬地磁變 的英文怎麼說
中文拼音 [shùndecíbiàn]
瞬地磁變
英文
transient geomagnetic variation-
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。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。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。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。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。Application of tem in geological exploration
時間域瞬變電磁法在地質勘查中的應用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。The availability of transient electromagnetic method in prospect of underground cave
瞬變電磁法探測地下洞體的有效性In order to improve the prospecting precision to the earth of transient electromagnetic method ( tem ), the idea of tem imaging is proposed according to the characteristics of both electromagnetic wave propagation and response : the wave - impedance is calculated from observed data in - field by the way of inverse - faltung and linear digital filter ; the sequence of reflection coefficients corresponding to every tiny - lever move time is calculated by the way of linear programming, and the imaging result section is drawn consequently
摘要?提高瞬變電磁法的對地探測精度，從瞬變電磁場的傳播特性和電磁響應特性兩個角度?慮，提出了瞬變電磁成像方法：由野外實測磁場感應數據，經過反褶積和線性數字濾波求出波阻抗；用線性規劃法求出每一微層走時所對應的反射系數序列，並以此?參數繪製成像結果圖。By analyzing some main factors which affecting the observation of tem, it discusses the way of reducing geological noise, it affirms the relationship between the side length of loop and depth of prospecting, current of supply electricity and the radio of signal and noise
第三章方法技術，從影響瞬變電磁法幾種主要因素入手，探討了壓制地質噪聲的途徑，明確了回線邊長與探測深度、供電電流與信噪比的關系。The imaging result obtained from theoretical model and real example indicates that the proposed method can improve greatly the ability to recognize the underground electric interface of tem compared with the regular processed resistance section
對理論模型和實例資料的成像處理結果表明，採用瞬變電磁成像方法的成像處理結果比常規的瞬變電磁視電阻率處理剖面清晰、直觀，大大增強了由瞬變電磁資料識別地下電性層狀分界面的能力。It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed
瞬變電磁法（ transientelectromagneticmethod ）是一種時間域的電磁勘探方法，利用階躍波或其它脈沖電流場源激勵，在大地產生過渡過程場，斷電瞬間在大地中形成渦旋交變電磁場，測量這種由地下介質產生的二次感應電磁場隨時間變化的衰減特性，從測量得到的異常分析出地下不均勻體的導電性能和位置，從而達到解決地質問題的目的。Based on mountain collapse status caused by daxin beidoushan mined - out area. to assess geological hazard and re - deter - mination of mining method in the mined - out area, the area was detected by transient electromagnetic method for finding spice distribution, occurrence condition and inferring position and shape
摘要針對甕福磷礦大信北斗山采空區引起山體坍塌的情況，為更好地進行地質災害評估和確定重新開采方案，採用瞬變電磁法探測對該區域進行勘探，以查明采空區的空間分佈范圍和賦存狀況，推斷出采空區的位置與形狀，其結果真實可靠。This paper mainly analyses and introduces the basic fundament and technique of method and applied effects of transient electromagnetic methods according to working practice of author who has been engaged in this geophysical method for many years
論文主要根據作者多年來從事瞬變電磁法勘探工作實踐，分別就其基本原理、方法技術及應用效果諸方面進行了全面總結和較深入地分析研究。分享友人