陣元 的英文怎麼說

中文拼音 [zhènyuán]
陣元 英文
array element
  • 陣 : Ⅰ名詞1 （作戰隊伍的行列或組合方式） battle array [formation]: 布陣 deploy the troops in battle fo...
  1. The shape of the electron spectrum in beta decay is not dominated by properties of the matrix element.

    衰變的電子譜的形狀不取決于矩陣元的性質。
  2. A matrix element representation of angular momentum operator under so group formation

    群構造下角動量算符的矩陣元表示
  3. Secondly an infrasonic array was constructed. the array is made up of three detectors with about 1 kilometer distance between each other. the three detectors are connected with telephone line

    其次構建次聲陣列，用三個相距約一公里的次聲探頭構成次聲三元接收陣，它們之間用電話線傳輸數據，合理地布置各陣元的位置和方位，三路信號通過採集卡上的不同通道號輸入計算機。
  4. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。
  5. We now omit the prime on the matrix elements.

    我們現在把各矩陣元素上的一撇略去。
  6. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，並在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。
  7. The former is calculated by mom. special attention is paid to the evaluation of the admittance matrix elements, which involve the internal and external mutual coupling. the latter is solved using po

    矩量法用於波導縫隙陣列的模式項散射的計算，著重分析了包含外部耦合和內部耦合的矩陣元素的求值。
  8. The main feature of aesa is to adaptive produce null in the pattern by weight control of elements in the array

    通過陣元收發幅相的權矢量控制，以使波瓣在產生干擾的方向「置零」 。
  9. Because of its special antenna structure, testing the antenna ’ s performance is necessary to prove its theory. auto measurement system of cfa array annates can measure the annates ’ s amplitude - phase character and resistance matrix quickly and effectively

    艦載超視距雷達使用交叉場天線cfa （ crossedfieldantenna ）作為陣列天線陣元，由於其特殊的天線結構，對其特性的理論研究也需要測量數據來驗證。
  10. The bound - continuous transition matrix element for a new ring - shaped coulomb potential

    新環形庫侖勢的束縛連續躍遷矩陣元
  11. At first some modification is made in conventional beam forming of frequency domain, namely to estimate doa by arrays outputs on compensated spacial frequency points of echoes. then the cwt is utilized to signal processing in space - frequency domain for estimation of doa, and the corresponding modification is also made. in the dissertation, the computer simulations of doa estimation for both narrow - band and wide - band echoes are given, so do the necessary comparison among several methods and crb

    首先在傳統的頻域波束形成演算法的基礎上，提出對寬帶信號的頻率補償，也即對寬帶回波信號的各空間頻率根據時間頻率的差異進行相應補償，然後對各陣元輸出求和來得到方位估計；其次將連續小波變換引入到空間?頻率處理中，從而完成對目標方位的估計，並進行了相應地補償。
  12. Recurrence formula for radial matrix element of two - dimen - siowal isotropic harmonic oscillator

    三維各向同性諧振子徑向矩陣元遞推公式
  13. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈方程，分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析，推導了天線方向圖旁瓣包絡、波束寬度，干凈掃描區寬度的估計公式，給出了近軸旁瓣電平與陣列參數的關系。
  14. And more aperture extension is achieved in this novel esprit - based two - dimensional angle estimatio n scheme using a uniform rectangular array of vector hydrophones spaced much farther apart than a half - wavelength. this proposed scheme and the attendant vector - hydrophone array outperform a uniform half - wavelength spaced pressure hydrophone array with the same aperture and slightly greater number of component hydrophones by an order of magnitude in estimation standard deviation

    結合實際的應用情況，對矢量水聽器構成的陣列進行了初步的探討，利用本文前面部分所分析的基於單矢量水聽器的方法，實現了陣元間距突破半波長上限的局限，並解決了角度估計的循環模糊問題，以較小的硬體代價和運算代價實現陣列孔徑的擴展，提高估計精度。
  15. The differences on resolution capability and the performance of estimation between beam - space processing and element - space processing are analyzed. transforming matrices are designed for the consideration of depressing the resolution threshold and estimation variance

    分析比較了波束域處理與陣元域處理的分辨能力以及估計性能，並從降低分辨門限和估計方差角度考慮，給出了轉換矩陣的構造方法。
  16. A simple method of calculating the matrix elements of hamiltonian operator

    哈密頓算符矩陣元的一種簡單表達式
  17. After analyzing the features of total rigidity matrix and its operation of the finite element analysis, it presented a kind of linked compressed row storage with column storage index format, which improved the efficiency of both the storage and its operation of total rigidity matrix

    在分析了有限元分析中的總剛度矩陣性質及其存取運算特徵之後，給出了一種帶列壓縮存儲索引的鏈式行壓縮存儲演算法，提高了總剛度矩陣元素的存儲及訪問效率。
  18. Also the emitting and receiving circuit was designed, and the emitting and receiving delay of each unit was controlled by computer

    設計了發射和接收電路，通過計算機控制實現探頭各晶片陣元的延遲發射與接收。
  19. The judgment of the element to be zero in calculating the energy - hamiltonian - matrix in the crystal - field theory

    晶體場理論計算能量哈密頓矩陣中為零矩陣元的判別
  20. The results can be used to accurately extract the nuclear matrix of the astrophysically significant 7be + e - - 7li + v reaction. the method we used may find important application in condensed matter physics

    這一結果可用於精確抽取在核天體物理中有重要意義的反應7be + e - 7li + v的原子核矩陣元。
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