coil impedance 中文意思是什麼
coil impedance
解釋
線圈阻抗-
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。 -
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。 -
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。 -
Produces impedance and inductor chips, coil inductors, transformers, power cords and emi filter components. usa
-生產數據通信介面網路濾波器變壓器通信模塊電源dc dc及ac dc隔離電源等。 -
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。 -
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。 -
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。
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