瞬變場法 的英文怎麼說
中文拼音 [shùnbiànchǎngfǎ]
瞬變場法
英文
transient methods-
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。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。The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points
利用基於變步長中心差分格式的顯式積分方法分析瞬態軋制過程；提取穩態單元集節點形成截面網格；利用隱式積分方法分析軋制道次間隙瞬態溫度場；對型鋼斷面進行平面四邊形網格劃分並映射節點溫度數據；利用六面體單元構建有限元分析模型，映射單元節點的溫度、積分點的等效塑性應變，進行數值分析。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。Chapter one has mainly introduced the development of the market of chinese car, and the theory of satisfaction to customer has carried on the survey. foreign study on customer satisfaction deepen and not thorough quite already, customer satisfaction research to accompany by enterprise management idea transformation of weight and produce. the basic goal that enterprises exist is to pursue the maximization of the profit or maximization of enterprise ' s value, satisfied with the centre theory to develop from theory of centre of output value to the customer progressively, just because the customer is satisfied with the appearance of the centre theory, have produced customer ' s satisfactory research
我國的汽車市場已經步入了高速發展的快車道，市場競爭空前激烈，產品同質化越來越高、可替代性越來越強、服務模式也日趨同一化，顧客的消費行為亦由感性階段進入了理性階段，在這樣一個復雜、瞬息萬變的市場激烈競爭中，單純的產品策略、服務策略等營銷手段無疑已經無法被顧客識別，而以「顧客為中心」 ，不斷提高顧客滿意度、提升顧客忠誠度、培養獨特的品牌已經成為了轎車企業突圍的唯一出路。The major research areas of a ship against non - contact underwater explosion include four sectors, namely, ( 1 ) the characteristics of fluid field disturbed by an underwater explosion ( loadings of underwater explosion ) ; ( 2 ) the analysis of transient fluid - structure interactions, and the corresponding dynamic responses of the ship ; ( 3 ) safety assessment of the ship structure undertaking the elastic - plastic dynamic responses ; and ( 4 ) determination of the shock environment imposed on the shipboard equipments, and evaluation of shock protection design
即非接觸水下爆炸的流場特徵（水下爆炸載荷） 、瞬態流場與結構相互作用所決定的艦船動響應分析方法、以彈塑性動變形響應分析為依據的艦船結構水下爆炸安全性評估與防護技術、以船體結構動響應為輸入條件的船用設備沖擊環境的確定方法及相應的設備抗沖擊設計分析方法。Recently in the simulation of indoor airflow, mainly adopted is the turbulence model theory, rans, which solves only the time - averaged flow field and cannot reveal the characteristics of the rapidly changing of turbulence
目前室內氣流模擬主要採用湍流模式理論（ rans ） ，但該方法求解的是時均場，體現不了湍流場瞬息萬變的特點。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 simulating of transient field in the photoconductor of thz photoconductive antenna, the curve of instant electric current was given here, and the result was validated by fdtd method. the influence of transient field to thz out put was mentioned in this paper too
通過對thz光電導天線中瞬態電場的模擬，得到了晶元內瞬西安理工大學碩士學位論文態電流的變化曲線，並通過fdtd方法對瞬態電流模擬結果進行了驗證。The two color systems hsv and hls are used for two reasons. firstly, they have advantages over the traditional method in using the ratio of the color components as separate images of the same scenes so that they can avoid linear correlation to color components
本文選用hsv和hls兩種常用顏色模型計算彩色時變圖像的光流場，實驗結果表明該方法能得到相當精確的瞬時位置速度且適用於各種運動。In basic action layer ' s designing, it uses a fuzzy - pid control algorithm that brings the system with a good dynamic and static performance. in the whole decision - making process, the protean situation on the competition ground is expressed by an artificial intelligence method for describing the state space that is constituted by selecting a small number of discrete representative states. desired actions are set for every robot based on the tasks of the system and the strategy
其中在進行基本動作層的設計時，採用了模糊控制與pid控制相結合的智能控制演算法，使系統具有良好的動、靜態品質；而在進行整體決策時，採用了人工智慧的狀態空間表示方法，在比賽場上瞬息萬變的態勢中選擇少量的具有代表性的離散狀態來構成狀態空間，再根據系統需要完成的任務，為機器人確定有限的動作集合，並通過決策推理，給每個機器人選擇合適的動作，從而決策得出機器人的左右輪轉速值，實現對系統的實時控制。With the shifted 1 / n expansion, the instantaneous solution of the laser model, i. e., the change of eigenvalues with the pump parameter is obtained
應用平移1 / n展開方法，得到激光場瞬態解，即本徵值隨抽運參量的變化情況。According to practice of transient electromagnetic operators, this paper will introduce a new multi - aperture transient electromagnetic method integrating a lot of simulation experiment data on the base of its primary theory and transmission rule. in the end, result shows this new method can improve so much direction of electromagnetic field that it increases lognitudinal resolving power
本論文根據瞬變電磁法勘探工作者的實踐，利用電磁波運動學特徵在討論其基本原理和電磁波傳播規律的基礎上，結合在論文過程中進行的大量模擬實驗資料，進一步引入了多孔徑瞬變電磁發射場源，實驗結果分析證明採用瞬變電磁多孔徑發射場源改善了輻射場的方向性，提高了瞬變電磁法勘探的垂向分辨力。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。Using finite difference approach to simulate the transient performance of the solar pond, and study the effect of each layer ' s thickness and heat extraction on the temperature distribution, and the evolvement of the temperature profile. 4
應用有限差分法對太陽池內的瞬態行為進行模擬，研究各層厚度及取熱速率等因素對溫度場的影響，研究溫度場的演變情況等； 4Industry, faced with the pressures of a rapidly shifting market, is already designing new methods to retrain its workers
面對瞬息轉變的市場的壓力，工業部門已經在制定重新訓練工人的新方法。Abstract : by using 2 - d finite element method ( fem ) and experiment, the phenomenon of heat conduction in tc11 ti alloy compressor blade is simulated and analyzed during the post - forge cooling course, and the time _ variation characters and distribution laws of transient temperature fields of every airfoil section are obtained
文摘:運用二維有限元法和試驗方法，模擬、分析了tc11鈦合金壓氣機葉片鍛后冷卻過程的傳熱現象，得到該葉片各個翼形截面上瞬態溫度場的時變特性和分佈規律。This systemic approach to innovation cannot be satisfied by sporadic, haphazard innovative sparks. only sustainable innovation provides the competitive edge in over - accelerated roller coaster of contemporary market
這種系統創新法不能由零星的、偶然的創新思維來實現。只有可持續的創新才能保證在這個象過山車一樣瞬息萬變的現代市場中的競爭優勢。分享友人