線圈阻抗 的英文怎麼說
中文拼音 [xiànjuānzǔkàng]
線圈阻抗
英文
coil impedance-
This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer
用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。Finally, the impedance analytical expression for the solenoid coil with a finite - length ferrite core carrying time - harmonic current is obtained through the magnetic vector potential
最後由矢量磁位得到帶有限長磁芯的放置式通電圓柱線圈的阻抗解析表達式。Induced current electrical impedance tomography ( iceit ) is a new branch of electrical impedance tomography ( hit ). it applies several excitation coils on the boundary of the object. when one of the coils is stimulated by constant alternating current, the magnetic field is established
感應電流電阻抗斷層成像（ inducedcurrentelectricalimpedancetomography ， iceit ）是電阻抗斷層成像技術的一個分支，它在被測目標的外圍放置若干個激勵線圈，對其施加時變電流，在空間產生交變磁場，從而在被測目標內激勵出感應電流。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下，首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊，設計了一種對實驗所得數據進行曲線擬合的方法，對三種擬合方法進行了比較，曲線擬合結果表明，多項式擬合方法相對于其它兩種擬合方法效果更好；根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗，並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數；最後通過labview提供的網路功能，實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統，並探討了通過datasocket技術實現該系統網路化的方案。Based on the electromagnetic theories, this dissertation presents an analytical method to analyze the el ectromagnetic field caused by the solenoid coil with ferrite core that is popularly used in eddy - current non - destructing test ( not )
本論文從電磁場理論出發，應用解析方法分析了渦流無損檢測用帶磁芯的放置式線圈的阻抗，並利用數值方法和實驗驗證了分析結果。Conductivity reconstruction, one kind of electromagnetic measurement, reconstructs conductive property distribution of the biological tissue exposed to electromagnetic fields by measuring the fields around it. this thesis presents the application of improved genetic algorithm to reconstruct the conductivity distribution of stratified biological tissue by measuring the change of impedance in the coil
本文主要研究在載流線圈作用下，通過測量生物組織產生的二次場對線圈阻抗的改變，應用改進的遺傳演算法重構分層生物組織各層電導率和厚度的方法。Traditionally, the resolving - transformer consists of former windings and vice windings. but the resulting output voltage will have aberrance owing to the existence of winding resistors and reactance leakage
傳統上的旋轉變壓器常採用原副線圈來組成，由於線圈電阻和漏抗的存在，將使最終輸出電勢出現畸變。In the eddy - current testing, testing coil is the sensitive component connecting the specimen and the instrument, so it is called transducer. the information of the test specimen is reflected by the variation of the coil impedance ( or induced voltage )
在渦流檢測中，檢測線圈是用來連接測試儀器和被測試件的敏感元件，它是渦流檢測中的傳感器，被檢試件的信息是通過線圈阻抗（或感應電壓）的變化反映出來的。Coils choking impedance
扼流線圈阻抗Through the monitoring on the frequency performance and square - wave response performance of manganese - zinc ferrite coil with different sizes., different ratios of winding and different matching impedances, the result shows that manganese - zinc ferrite coil with proper ratio of winding and matching impedance can effectively restrain the interference and damage which the over - voltage and large - current signals of the power system do to the on - line monitoring system
通過對不同尺寸、不同匝數比和不同匹配阻抗下的錳鋅鐵氧體線圈的頻帶性能、方波響應性能測試實驗，結果表明：適當匝數比和匹配阻抗的錳鋅鐵氧體線圈可以有效地抑制系統過電壓和大電流信號對在線監測系統干擾和破壞。Transformer and coil usage : high temperature, oil, voltage resistance, excellent weather reistant property, special - lized in transfomer and coil. with assorted colors
變壓器線圈用：耐高溫、耐溶劑、耐電壓、抗老化性佳，特別適用於電子工業方面之變壓器及線圈，絕緣電阻> 1 1012歐姆，顏色齊全。Using maxwell electromagnetic equations, by solving the boundary - value problem of magnetic vector potential, analytical expression to impedance increment of the solenoid coil in eddy current testing of the medium in half space was given. theoretical result was modeled in computer. results showed the validity and feasibility of the model
利用maxwell電磁方程組，通過求解矢量磁位的邊值問題得到了矢量磁位的解析解，進而導出了媒質上方放置式空心線圈的阻抗增量解析式，並對阻抗變化表達式進行單層板厚度和三層板間隙的檢測模型進行了模擬。The main work is as follows : for the magnetic vector potential, the principle of calculus of variations is applied to convert the elliptical boundary value problem into
隨著磁芯高度和半徑的增大，線圈阻抗增量增大，當磁芯高度超過某一值時，線圈阻抗趨于穩定。This test checks for proper connection, impedance balance between the phases and minor or impending short circuits in the windings
對于連接是否恰當、相位之間阻抗是否平衡和線圈繞組里的緊急短促小電流，也進行全面的檢測。The shield is typically metal foil that is terminated to a pin connected to some low impedance point in the circuit
屏蔽物通常為金屬線圈，該線圈被端接至連接到電路中某個低阻抗點的管腳上。Eddy current nondestructive testing ( ecndt ) is widely used to detect the thinness and defects of the sample, because of its characteristics of non - contact, high sensitivity and ease of detection. the principle of ecndt is that : when a probe coil with the ac exciting source is put near a sample, eddy current will be produced in the sample which will conversely affect the impedance of the coil according to the farad theorem. any un - uniformity in the sample will change the impedance of the coil and the output voltage
渦流無損檢測技術具有靈敏度高、檢測速度快、非接觸等特點廣泛應用於厚度檢測和缺陷探傷，它的原理是當載有交變電流的檢測線圈靠近金屬導體時在導體中產生渦流，該渦流又影響原磁場，使得線圈的阻抗和感應電壓發生變化，通過分析阻抗或感應電壓的變化來獲得被測導體的信息。Therefore, it is very meaningful for both the electromagnetic theory and practical applications to study the electromagnetic field caused by testing coil and analyze the dependence of the coil impedance on the parameters that affect the coil impedance
因此，研究通電檢測線圈周圍的電磁場，分析檢測線圈的阻抗與哪些因素有關，有何種關系，從而為檢測線圈的繞制提供理論指導和參考，這無論在理論上，還是實際應用上都有重要意義。分享友人