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- The dual symmetry of Legendre transformation is studied. 指出熱力學關係具有勒讓德變換的對偶對稱性 .
- In our discussion,it is proposed to use Chebyshev polynomial and Legendre polynomial,they are easier to sa... 最後討論同一多項式階數下不同曆元數對擬合結果的影響。
- A kind of boundary value problems of ordinary differential equations was solved with Legendre wavelets method. 摘要利用勒讓德小波演算法,解一類常微分方程邊值問題,得到其數值解。
- The prime number theorem of Gauss and Legendre approximates the number of primes less than x. 素數定理高斯和勒接近若干素數不到十。
- Based on Legendre multinomial, a new kind of low pass filter prototype is designed out after analyzing the design rule and inefficiency of some classical filter prototypes. 摘要分析了幾種經典的濾波器原型設計原理及其自身不足,基於勒讓德多項式,給出了一種新的低通濾波器設汁原型。
- It need store(N+1)~2 coefficients and compute(N+2)(N+1)/2 fully normalized associated Legendre functions with the use of normal method. 常規計算中除需存儲(N+1)2個係數值外,還需迭代計算出(N+2)(N+1)/2個完全正常化勒讓德函數值。
- A method of parameter identification of the time-varying bilinear systems via shifted Legendre polynomials is presented. 本文提出了利用移位勒讓德(Shifted Legendrc)多項式辨識時變雙線性系統的一個方法。
- 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。
- The experimental resultswere fitted to Legendre polynomials by means of least--square method and com-parisons with earlier measurements are presented. 實驗結果用最小二乘法按照勒讓德(Legendre)多項式擬合;誤差為±2.;6%25;並與國外結果進行了比較。
- Numerical tests of the ORHHVFE constructed using 1-st Legendre polynomials based on the above method and the other HHVFE were carried out and compared. 並利用該方法構造的階譜六面體矢量單元與其它階譜六面體矢量單元(HHVFE)進行了金屬腔本徵模問題的數值計算對比實驗。
- The problem of rapid Lunar soft-landing trajectory optimization by using a Legendre pseudospectral method was studied in this paper. 為了滿足探月器軟著陸過程中軌道實時生成的要求,研究了偽光譜方法在月球軟著陸軌道優化設計中的應用。
- Cyril Tomasone of France and Steven Legendre of United States compete in the O2 Arena on October 13, 2009 in London, England. 法國的西里爾和史蒂芬托馬索內的美國勒競爭2009年10月13號在英國倫敦的O2 Arena的。
- In this paper, an interesting property of Yang Hui triangle is discovered, it expounds a relation formula between Fibonacci number and binormial coeffcient. 揭示了楊輝三角的一個有趣性質,即它給出了Fibonacci數和二項式係數之間的一個關係式。
- KORP-1 is used to calculated the direct (n,p) or (p,n) reaction differential cross section and its Legendre coefficients as well as the integral cross section. KORP-1是用於計算直接(n,p)或(p,n)反應的微分截面及其勒讓德係數和積分截面的程序。
- Experimental results demonstrate that the watermark is invisible and robust against common image lossy compression and noise, and the Legendre array is better. 實驗結果表明 ,實現的水印具有不可見性 ,而且對於常見圖像壓縮和雜訊干擾具有很好的健壯性 ,而採用Legendre陣列的演算法效果更佳。
- In this paper, we present a different approach, in which an approximation to the complex exponentials of Legendre polynomials is combined with FFT to compute the NUFT. 該文提出一種通過將快速傅里葉變換與復指數的勒讓德多項式展開結合起來計算非均勻傅里葉變換的新方法,該方法具有快速、數據不依賴的特點。
- Thestudy showed that the relation between the oxygen transfer coeffcient and theoxygen uptake rate per dried weight of the mixed liquid in the aeration tank isa1so accord with the Langmuir Adsorption Isotherm. 研究發現混合液中單位乾重固體的氧吸收速率與氧傳質係數增大率之間的關係符合 Langmuir吸附等溫式。
- Using analyzing Legendre polynomial to solve the equation of the pair-distribution function, some order functions and the corresponding order results are obtained through matching inner and outer fields. 以勒讓德多項式分解來處理對分佈函數 ;進一步求得不同級的函數方程 ;再以內外域解的匹配來求得逐級方程具體形式和逐級解 .
- A random regression model with Legendre polynomials of age as independent variables was used to estimate the covariance functions by restricted maximum likelihood employing the average information algorithm (AIREML). 配合將年齡的勒讓德多項式作為自變數的隨機回歸模型 ,用平均信息約束最大似然 (AIREML)法估計。
- The dependence of the scattering parameters on the incident angle caused by horizontal orientation of ice crystals is approximated by the Legendre polynomial expansion of zero and second order. 文中用零階和二階Legendre多項式的展開式來近似表示由於冰粒子水平取向所引起的散射參數隨入射角的變化。