阻抗不均勻 的英文怎麼說

中文拼音 [zǔkàngbùjūnyún]
阻抗不均勻 英文
impedance irregularities
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 抗 : Ⅰ動詞1 （抵抗; 抵擋） resist; combat; fight 2 （拒絕; 抗拒） refuse; defy 3 （對等） contend with...
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 勻 : Ⅰ形容詞（均勻） even Ⅱ動詞1. （使均勻） even up; divide evenly 2. （分出一部分） spare
  • 阻抗 : [電學] impedance
  1. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    而計算分析和二維數值模擬分析結果表明：梳狀集電結（基區）結構在不增加器件本徵集電結面積的條件下，增大了器件的本徵散熱面積和基區周長，改進了每個子器件單元內的散熱方式，提高了單元內結溫和電流分佈的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾，並有利於改善器件抗二次擊穿的性能。
  2. Test methods for communication cable - impedance and impedance irregularities test of coaxial pair - pulse method

    通信電纜試驗方法同軸對端阻抗及內部阻抗不均勻性試驗脈沖法
  3. According to the radar - absorbing model, the performance of rams of various absorber - volume - percentage with various frequency and the radar obsorbing performance of which in various thickness is predicted. according to the radar - absorbing model, the prerequisites of microwave electromagnetic parameters and the border curves for a single - layer homogeneous absorbing coating backed by a perfectly conducting plate to produce zero specular reflection are obtained by the steffensen speedup approach to solve the complex transcendental equation

    以吸波模型為依據，用計算機求解了單層均勻各向同性吸波材料的阻抗匹配條件，通過數值模擬得到了吸波材料阻抗匹配時電磁參數邊界曲線的數值模擬等式和阻抗不匹配時寬帶吸波材料電磁參數的合理搭配規則和頻散特性。
  4. It brought forward genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms " characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion

    針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題，在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上，提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法。
  5. This paper brought forward global optimized wave impedances mixed inversion based on genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms ' characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion

    摘要針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題，在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上，提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法，基於該演算法形成了全局尋優的波阻抗混合反演方法。
  6. The non uniform variation along the line of the input impedance calculated from phasor voltage to current ratio is conformed with that calculated from the phasor ratio of one plus the reflection and one minus reflection along the line

    數值驗證，由駐波電壓與駐波電流之相量比及由沿傳輸線一加反射與一減反射相量比計算所得之輸入阻抗，沿傳輸線之不均勻變化是一致的。
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