chebyshev 中文意思是什麼

chebyshev 解釋
貝雪夫
  1. Legendry and chebyshev pseudospectral methods for the generalized symmetric regularized long wave equations

    廣義對稱正則長波方程的勒讓德和切貝雪夫擬譜方法
  2. Predictor based on chebyshev polynomials for lifting scheme

    一種擬合型的提升小波預測方法
  3. Finally, a chebyshev function bpf with siw resonator was designed and realized by ltcc with 12 - layer substrate. a high performance elliptic function bpf with siw resonator was designed

    在分析ltcc集成高q濾波器實驗結果的基礎上,設計了一個基於siw技術的9層基片的高性能的橢圓函數濾波器。
  4. In a same standard, pcb based on butterworth 、 chebyshev 、 legendre are dsigned out, the dimension and filter function are compared

    同一指標下,設討出巴特沃斯、契比雪夫、勒讓德原型濾波器印製板,給出並比較了實現尺寸與濾波特性。
  5. In order to calculate easily and do n ' t influence the single - chip microcomputer ' s calculate velocity, we put forward two scheme to deal with the numerical value, one is to use a simple function to close or approach a normal function f ( x ) ( mainly is lagrange ' s intepolation, newton ' s intepolation, hermite ' s intepolation, cubic spline interpolation, etc. ) the other one is function approach ( mainly is chebyshev ' s polynomic. legendre ' s polynomic, laguerre ' s polynomic, method of least squares, etc. ), we analyze and compare the lagrange ' s intepolation and chebyshev ploynomic, at last, we select the chebyshev polynomic to do the value calculating on single - chip microcomputer

    提出了數值處理的二種方案。即用簡單函數近似或逼近一個一般函數f ( x ) (主要有拉格朗日插值、牛頓插值、埃爾米特插值、三次樣條插值等)和函數逼近(主要有切比雪夫多項式、勒讓德多項式、拉蓋爾多項式、最小二乘法等) ,對上述兩個方案中的典型函數?拉格朗日插值和切比雪夫多項式進行了分析比較,最後選取切比雪夫多項式完成單片機上的數值計算。
  6. Compared with the effect of mutual coupling to general antenna arrays, chebyshev - dolph antenna arrays, schelkunoff super - derective arrays and chebyshev - dolph super - derective

    比較了互耦對等幅同相天線陣、 chebyshev - dolph天線陣、 schelkunoff陣和chebyshev - dolph超方向性陣天線遠場方向圖的影響。
  7. Because super - directive arrays can supply better directive performance than the general arrays, we analyses the two pattern synthesizes that is the schelkunoff unit - circle method and the chebyshev - dolph super - directive synthesis method of the line arrays in detail

    由於超方向性陣列天線可以提供比普通陣列天線好得多的方向特性。本文尤其對線陣的schelkunoff單位圓綜合法和chebyshev - dolph超方向性綜合法作了詳細的分析。
  8. 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。
  9. On the basis of analyzing the several traditional algorithms, the efficient design method, the self - initiated weighted least squares ( swls ) combined with adaptive simulated annealing ( asa ), are proposed explicitly for the design of pif. this chebyshev criterion based optimal approximation method has not only very fast computing speed but also high accuracy and good controllability

    在對這些演算法特性分析比較的基礎上,系統完整地提出適用於lcos投影分合色偏振干涉濾光片設計的最高效方法? ?自啟動權值最小二乘演算法( swls )結合自適應模擬退火演算法( asa ) 。
  10. Some identical relations about the sum of chebyshev polynomials product

    二類切比雪夫多項式積和的幾個組合恆等式
  11. The main part of this hybrid algorithm is a chebyshev iteration which applies chebyshev polynomials to act on initial vectors and makes the obtained vectors close to the wanted eigenvectors ; the second one is the preconditioning subspace iteration method which uses a preconditioning matrix to impact the residual matrix obtained from the iteration procedure, so the distribution of eigenvalues is improved

    第一個改進演算法是用chebyshev多項式加速的子空間迭代法,它是用chebyshev多項式作用初始向量,使其更接近所要求的特徵向量。第二個改進演算法是對每次迭代所得的殘余矩陣直接進行預處理以改善矩陣特徵值的分佈。
  12. Subspace iteration accelerated by using chebyshev polynomials

    多項式加速的子空間迭代法
  13. Several relations between chebyshev polynomials of the first and second kind

    有關兩類切比雪夫多項式的幾個關系式
  14. Fem with absorbing boundary condition and expansion of discrete chebyshev polynomials for inverse problem of elastic waves

    基於吸收邊界條件的有限元方法和離散切比雪夫展開的二維缺陷識別
  15. The output power of the one - seven power divider was accorded with the coefficient of the chebyshev polynomial. the output phase of the divider was almost the same

    七路不等分功分器輸出的電流幅度按7次切比雪夫多項式系數分佈,各口輸出相位基本一致。
  16. This thesis gave emphasis to the synthesis and design of general chebyshev filter with transmission zeros and waveguide multiplexer. and studied related theories and technologies

    本論文以波導多工器和廣義切比雪夫濾波器的綜合設計為主,並研究了與之相關的理論和技術。
  17. A new image moments - chebyshev moments - was proposed. given the moments definition, investigated the describing properties of the moments, reconstructed an image with the chebyshev moments. the experiment result was given

    提出一種新的圖像矩- -切比雪夫圖像矩,給出了圖像矩的定義,研究了圖像矩的描述性能,重建了原圖像,給出了實驗結果
  18. We introduce some marks and lemmas before we construct chebyshev rational spectral formation of semi - discrete with respect to space. then we obtian the error estimate for the approximate solution and the existence of approximate attractor an, and besides, we prove the upper semi - continuty on the global attractor

    在引入一些本文所需的記號和引理之後,通過建立chebyshev關于空間方向的半離散有理譜格式,證明了方程近似解的誤差估計,以及在此格式下近似吸引子a _ n的存在性,並且得到關于原方程整體吸引子的上半連續性。
  19. This paper proposes an effective algorithm which implements in hadamard domain, and the chebyshev distortion measure and pds algorithm are adopted

    本文在變換域內搜索碼字,並引入chebyshev距離測度和pds演算法。
  20. The convergence of deformed chebyshev method under - condition and its application

    迭代方法的收斂性及其應用
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