field-circuit 中文意思是什麼
field-circuit
解釋
磁極電路-
Safe loop switch abscission or apparatus room transfer of an official from field service to capital fast machine switch broken circuit and action
安全迴路開關切斷或機房內調速機開關斷路而動作。 -
Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils
其次，為全面了解這種新型電磁電機的電磁特性和動力特性，本文從電機磁場的基本方程及其邊界條件出發，應用無旋磁場的標量磁位概念，建立了端面搖擺式電磁微電機內部磁場的數學模型，並以此為基礎，詳細分析了電機氣隙磁場的各方面性質，對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。 -
This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。 -
The narrow lane of stubble encompassing the field grew wider with each circuit, and the standing corn was reduced to smaller area as the morning wore on. rabbits, hares, snakes, rats, mice, retreated inwards as into a fastness, unaware of the ephemeral nature of their refuge, and of the doom that awaited them later in the day when, their covert shrinking to a more and more horrible narrowness, they were huddled together, friends and foes, till the last few yards of upright wheat fell also under the teeth of the unerring reaper, and they were every one put to death by the sticks and stones of the harvesters
大野兔小野兔長蟲大老鼠小耗子，都一起向麥田的內地退去，好像要躲進堡壘里，卻沒有意識到它們避難的地方也只能是暫時的，沒有意識到它們毀滅的命運正在後面等著它們，當今天它們躲避的地方越縮越小，最後變成可怕的一小塊時，它們無論是朋友還是仇敵，都要擁擠著躲藏在一塊兒了，等到收割機把地上最後剩下的幾百碼麥子割倒后，收莊稼的人就會拿起棍子和石頭，把它們一個個打死。 -
The explanation of field theory takes two independent equations in integral form derived from maxwell equations as basic law of circuit theory. beginning with two independent equations, ftn analyzed the linear dc and ac networks, nonlinear networks and many kinds of circuit analyzing methods and so on
場論說的電路理論是以從麥克斯韋方程組導出的積分形式的兩組獨立方程組為基本定律，從此基本定律出發，推理演繹電路理論的基本內容，分析了線性直流和交流網路、非線性網路以及各種電路分析方法等。 -
The research object of this thesis is a chip - array that is fixed on one of printed circuit boards ( pcb ), which are located in a forced air field ( forced convection ) in an electronic case ; and from the essential equations of airflow we can deduce the mathematical model of the turbulent flow ; then we can establish the finite element algorithm and apply the fe software to work out the equations of turbulent flow, finally we can use the software to display and analyse the field of flow and temperature
本文以處于強迫空氣對流流場中的某pcb板及其板上的電子元件陣列作為研究對象，推導了紊流流場的數學模型，並建立了相應的有限元求解格式，應用有限元法分析軟體對該系統的紊流流場和溫度場進行了模擬分析：解算出pcb板上各電子元件的溫度分佈；並提出了用於求解系統風道特性曲線的cfd方法。 -
The field of video signal processing is now undergoing a digital reform. the digital processing technique is clearly expatiated in this paper, such as a / d convert, anti - alias filter, clamp control, gain control, pll, synchronization circuit, color decoder, comb filters
本文詳細敘述了視頻圖像的數字處理方法，重點介紹了視頻信號數字化技術、抗混疊濾波器、箝位、增益控制、鎖相技術、同步時鐘產生、電視信號亮色分離、彩色解碼等技術，這些關鍵技術為視頻信號的數字化處理提供了重要的基礎。 -
Accelerometer is used widely for measuring acceleration in civil and military field. at present, there are several type of accelerometers such as piezoelectricity electric charge accelerometer, ic piezoelectricity electric accelerometer, compressive resistance accelerometer and alteration capacitance accelerometer. the main part in alteration capacitance accelerometer is capacitance measurement circuit. foreign countries have produced accelerometer that have tiny volume and high performance. however, our country is not able to produce such accelerometer due to the lack of technique
加速度計作為一種測量加速度的儀器，在民用、軍用領域都有廣泛的應用。目前市場上的加速度計主要有壓電式電荷加速度計、集成電路式壓電加速度計、壓阻式加速度計、變電容式加速度計等幾種類型的加速度計。變電容式加速度計的設計中一個重要的環節就是電容檢測電路的設計。 -
And adopting okumura - hata model to wireless links circuit calculation, and to forecast wireless overlay strong field
並採用okumura - hata模型進行無線鏈路計算，對無線強場覆蓋進行預測。 -
Three kinds of common methods ( called as tuning and magnifying method, short circuit method, apparent coercive field strength method ) for fluxgate magnetometer signal detecting and their advantages and disadvantages are described in this paper
本文還介紹了三種常用的磁通門磁力儀信號檢測方法：調諧放大檢測、短路偶合檢測和視矯頑場強度檢測方法，並分析了各種方法的優缺點。 -
Abstract : it is an efficient method that realizing the contro l circuit of a power source system with fplds ( field programmable logic devices )
文摘:使用現場可編程邏輯器件實現各種電源控制電路是一種非常有效的設計方法。 -
The product vacuum arcing chamber adopts porcelain case, cup shape and longitudinal magnetic field contactor structure, copper and chrome contactor material, it has the capacity of good open and close short circuit current
本產品真空滅弧室採用陶瓷外殼，杯狀縱磁場觸頭結構，銅鉻觸頭材料，具有優良的開斷和關合短路電流能力。 -
Some correlative designs and experiments are finished before the microwave test experiment. the property of a finite long magnetic coil is studied and the coil magnetic field circuit is constructed for the experiment of microwave. a digital two - channel trigger device is designed and successfully applied in the experiment
為了微波實驗的順利進行，我們設計並加工了磁場線圈，研製了控制磁場線圈迴路觸發和強流電子束加速器觸發同步的兩路數字同步觸發器，研製了測量電子束流的法拉第筒，並成功地將這些設備應用於微波實驗研究。 -
The conventional only circuit model simulation method is out of effect, so the field - circuit mix simulation method is adopted
常規的純電路模型模擬方法失效，而採用場路混合模擬的方法。 -
( 2 ) a new method for on - line forecast and analysis of the insulation safety of large generators is found by combining the topology construct of the electric network in power stations with the electromagnetic relationship inside large generators and using the field - circuit analysis theory
（ 2 ）運用場路綜合分析理論，將廠站電氣網路拓撲結構與大型發電機組內部電磁關系相結合，提出了一種用於大型發電機絕緣安全在線預測分析的新方法。 -
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。 -
Field circuit breaker failure causing too low arcing voltage followed by blast of ionised air in + es cubicle and flashover at the left extremity of ac bus bars
導致弧壓過低的磁場斷路器故障是引發+ es櫃空氣電離和交流母排左側末端處發生閃絡的原因。 -
Based on the investigation of analysis methods for the overvoltage striking on rotating electric machines and its research status at home and abroad, the safety forecast theory and the analysis method for the switching overvoltage of large power stations are firstly presented based on the field - circuit analysis, and the transient field distribution and the insulation condition in the stator winding insulator stricken by the switching overvoltage in large power stations are studied and analyzed on line
本文在分析和總結國內外關于旋轉電機過電壓分析方法及其研究現狀的基礎上，首次提出了基於場路結合的廠站操作過電壓安全預測理論和分析方法。本文研究了大型電站中的操作過電壓沖擊波在發電機定子繞組絕緣介質中暫態電場的實時分佈狀態，在線分析發電機的絕緣工作狀況，搜索發電機內部可能突發絕緣事故的區域，預測發電機內部可能發生絕緣事故的故障點，並重點研究了大型發電機絕緣安全在線預測分析方法和建立了大型發電機絕緣安全評估模型。 -
The influence of pmsm parameters on ev operation is analyzed and selection rules of pmsm rotor structure are determined. the field - circuit coupled design method of pmsm is studied considering the ev drive demands. in order to enhance performance in low - speed, strategy of shunts switch is analyzed in detail
給出電動汽車用pmsm性能參數指標的確定原則；分析了電機參數對電動汽車運行狀態的影響，確定了電動汽車用pmsm轉子結構選擇原則；研究了電動汽車用pmsm的場路結合設計方法；詳細分析了採用並聯支路數轉換以提高電動汽車低速性能的實用化方法。 -
A model of magnetic suspension forces is built by using 2d field - circuit coupling and analytical methods
分別用二維場?路耦合法和解析法建立了磁懸浮力模型。
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