impedance matrix 中文意思是什麼

impedance matrix 解釋
阻抗矩陣
  • impedance : n. 【物理學】阻抗。 acoustic impedance聲阻抗。
  • matrix : n (pl matrices 或matrixes)1 【解剖學】子宮;母體;發源地,策源地,搖籃;【生物學】襯質細胞;間...
  1. A general graphical user interface based on object - oriented technique, database and visualization in scientific computing has been conducted. we can draw electrical components of the distribution network and fill the components data easily. background programs analyze topology automatically and constitute node admittance matrix, node impedance matrix

    它使用圖形元件直接繪成系統接線圖,在屏幕上輸入元件參數,后臺程序自動進行網路拓撲分析,然後基於稀疏技術,利用支路掃描法形成節點導納陣,連續回代法形成節點阻抗陣。
  2. The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed

    用一種簡單的方法可以求得降階雅可比矩陣,由於降階雅可比矩陣的元素都是交直流混合系統中一些參數的代數函數,如有效短路比、功率基準比、連接阻抗和系統潮流等,因此,矩陣的特徵值也與這些參數相關。
  3. Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm

    最後,分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散,並在空間上採用rwg基函數,在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣,再運用mot法分別求解了介質體目標,金屬非金屬組合目標的時域積分方程,並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。
  4. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法( pim )將三維導體目標的阻抗矩陣剖分成小矩陣,通過迭代計算出表面電流和雷達散射截面,並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散射特性。
  5. Analyze the rectangular microstrip patch array using green functions method, resolve the integral equation by the method of moment, propose a method for resolving the mom impedance matrix, which is a combine of analytical method and numerical method

    用矩量法計算了同軸饋電的矩形微帶貼片陣列的電流分佈,在求解廣義阻抗矩陣時,給出了一種解析方法與數值方法相結合的方法。
  6. Second, we compute the self - impedance through cavity modal theory and mutual impendance based on reaction theory respectively. then the generalized impedance matrix that reflects the effect of mutual coupling is formed. at last, the effect of mutual coupli ng on 2 - d doa estimation algorithms is investigated and two efficient methods of mutual coupling compensation are proposed

    本文首先對兩種二維doa估計演算法? ssm法和二維酉esprit法的性能進行了比較,用空域平滑演算法解決了相干源的二維doa估計;其次運用腔模理論計算微帶天線的自阻抗,用反應原理計算微帶天線間的互阻抗,進而形成計入互耦影響的廣義阻抗矩陣;討論了互耦對二維doa估計的影響,提出了兩種互耦補償的方法。
  7. The mutual coupling between elements is expressed in terms of the normalized impedance matrix of the uniform linear array, the concise expressions for the optimized weight of the lms algorithm and the signal - to - interference - plus - noise ratio are given. the effect of mutual coupling on the performance of the sinr is illustrated with two examples, a method for compensating the mutual coupling is present, the compensation effect of this method is verified by example

    用譜分析法,把陣元問的互耦用陣列的歸一化阻抗矩陣來描述,推導了均勻線陣的最佳權矢量及信號干擾噪聲比的表達式,模擬計算了互耦對自適應天線陣列的信號干擾噪聲比的影響,給出了一種校正互耦的方法,數值模擬了校正的效果。
  8. By calculating rcs of arbitrary shaped conducting objects and the input admittance of a wire antenna on the arbitrary shaped conducting platform, it is shown that the method of impedance matrix interpolation can greatly reduce the computation time compared with the traditional moment method

    該方法僅對幾個插值點頻率直接進行計算,便可通過插值快速生成其他頻率點上的阻抗矩陣,相比于對每一個新頻率點重新直接計算阻抗矩陣,極大地減少了計算時間。
  9. A method to simulate network operations by adding the corresponding branch - impedance matrix to the original network is described in this paper

    文中介紹了採用向網路操作前的原網路追加相應的支路阻抗陣來模擬網路操作的方法。
  10. Based on the relative theories about electric circuit and synchronous generators " post - fault transient, a practical computerized method making use of node impedance matrix is proposed to calculate the instantaneous currents of a faulty power system

    本文基於電路理論和發電機的短路過渡過程理論,利用節點阻抗陣推導出電力系統短路時任意時刻短路電流的實用計算機演算法。
  11. The research job includes bringing a project about fault calculation, using node impedance matrix as maths model of network to derive the arithmetic based on the fundamental of modifying impedance matrix by adding the branch, building the whole database with micosoft access. the whole project is realized with visual c + + 6. 0. it is applied to au hui electric network, and is proved correct

    本文首先根據系統的要求,綜合考慮各種運行方式變化,提出合理的零序電流,分支系數的計算方案;然後採用節點阻抗矩陣作為系統的數學模型,推導出基於支路追加法的阻抗矩陣快速補償優化演算法,從而實現計算方案;最後以micosoftaccess為工具設計出完整的故障計算數據庫。
  12. In addition, the mom - po hybrid method is proposed to dissect radiation from radome - enclosed antennas and the correction impedance matrix upon which the solution to equivalent currents of radome ' s surface depend is built. a comparative analysis of those methods is finally presented to examine respectively their accuracy as well as computational efficiency

    最後,對矩量法物理光學法的混合演算法分析問題的過程進行討論,給出混合演算法分析帶罩天線輻射問題的具體解決方案,建立混合演算法求解天線罩表面等效電磁流的校正矩陣。
  13. The calculation of transfer - impedance matrix for black - box subnetwork

    子網路的子網路轉移阻抗矩陣的計算
  14. The electrical field integral equation ( efie ) and the rwg basis function are used. the impedance matrix is decomposed by the row, stored in distributed memory of the nodes. besides, the processors exchange messages through the mpi communication library

    採用的是電場積分方程( efie ) ,用rwg基函數離散目標,阻抗矩陣數據按行分解,分佈存儲于各個計算節點中,通信通過mpi通信庫實現,數值結果表明了該并行程序的高效性和正確性。
  15. Meanwhile, an efficient method, impedance matrix interpolation, is described. the impedance matrix is calculated at relatively large frequency intervals and interpolated to approximate its values at intermediate frequencies

    同時,在計算寬頻帶電性能參數時,引入了一種有效而快速的方法?阻抗矩陣插值技術。
  16. Gravity model : the typical inputs include one or more flow matrices, an impedance matrix reflecting the distance, time, or cost of travel between zones, and estimates of future levels of productions and attractions

    重力模型:輸入的基本數據包括一個或多個流量矩陣,反映距離的阻抗矩陣,小區間的出行時間和成本,未來發生和集中預測。
  17. In this dissertation, the radiation problems of wire antenna mounted on the arbitrary shaped conducting platform and the scattering problems of arbitrary shaped conducting objects are analyzed using impedance matrix interpolation with the moment method

    本文應用矩量法結合阻抗矩陣插值技術,快速有效地求解實際工程問題中常見的任意形狀金屬目標的電磁散射問題及金屬載體上線天線的電磁輻射問題。
  18. Besides, eigenvalue analysis is used in sound - impedance matrix. with the help of optimization theory, the conclusion is received that the radiation efficiences by a group of velocity distribution corresponding to eigenvector are proportional to the eigenvalue of the velocity vectors

    並對阻抗矩陣進行了特徵值分析,從理論上說明了特徵向量對應的一組速度分佈,其輻射效率正比于該階特徵向量對應的特徵值。
  19. Csm is a numeric mothed of analyzing static electric field. this paper compares the values of capacitance of different size of plate d and plate e in csm and cst mws. mom is a typical numeric method of researching high - frequency electromagnetic problems. accordingly, this paper computes input impedance of plate e and impedance matrix of traditional two element antenna array of electrically small dipoles separately in mom and cst mws, and then compares them detaily

    模擬電荷法( csm - chargesimulationmethod )是研究靜電場的一種數值方法,本文比較了模擬電荷法和cstmws對cfa的d 、 e兩盤在不同尺寸下的電容的計算結果;矩量法是經典的研究高頻電磁學問題的數值方法,同時利用矩量法計算了cfa的e盤的輸入阻抗和傳統二元電小偶極子陣的阻抗矩陣,將其結果與cstmws的模擬結果比較。
  20. The impedance matrix of a two way power combiner using sector - shaped planner components has been derived using green ’ s function approach ; 3. the solid state power combiner used at microwave and milimeter - wave frequencies has been investigated

    3 .重點研究了微波以及毫米波波段的固態功率合成器,模擬優化設計出s波段和ka波段的功率分配器件。
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