matrix spectrum 中文意思是什麼

matrix spectrum 解釋
矩譜
  • 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...
  • spectrum : n. (pl. -tra )1. 【物理學】譜,光譜;波譜;能譜,質譜。2. 【無線電】射頻頻譜;無線電(信號)頻譜。3. 【心理學】(眼睛的)余像;殘像。4. 〈轉義〉范圍,幅度;(連續的)系列。
  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. ( 3 ) the dissertation designs the hardware diagrams of corelation matrix module and spectrum peak finding module. accroding to the hardware diagrams, the dissertation codes by vhdl and do function simulation and timing simulation

    ( 4 )本文對music演算法的各模塊進行了互連調試工作。當採用了altera公司cyclone系列的fpga實現music演算法時,單次運算時間在20us以內。
  3. In this paper we studied the intercalation behavior of a new host matrix of x = l of zirconium proline - n - mtthyl phosphonate - phosphate ( a - zpmpp ), we successfully introduced butylamine heptylamine decanylamine ethanolamine diethylenetriamine ( 2e3a ) triethyleneteriamine ( 3e4a ) and tetrathyleneoctamine ( 4e5a ) guest molecules into a - zpmpp interlayer space. the intercalation complex were characterized by ir spectrum x - ray diffraction and tg - dsc thermal analysis, it has been found that a - zpmpp possess different intercalation behavior from a - zrp. because of the bulk of proline group, it affected the amount of guest molecule, mono - alkylamine form mono - molecule layer in the interlayer space, butylamine, decanylamine and ethanolamine form mono - layer and the carbon chain form 90 degree ordered assembly with the zirconium floor of a - zpmpp, every host molecule absorbed 0. 5 guest molecule

    本文報道首次以x ? l的層狀(脯氨酸十一甲基磷酸一磷酸氫)鉛( a zpmpp )為主體底物,成功地將客體分子:正丁胺、正慶胺、正癸胺、乙醇胺、二乙烯三股、三乙烯四胺、四乙烯五股插入層狀化合物a zpmpp的層間,通過紅外光譜( ir ) 、 x射線衍射( xrd ) 、熱重分析( tg dsc )等手段對插層復合物進行結構表徵,結果表明: x ? l的層狀(脯氨酸件一甲基磷酸一磷酸氫)鉛具有不同於無機磷酸結的插層性能,由於層間脯氨酸基團的體積較大,影響客體分子進入的數量,胺分子在層板間取單層排列。
  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. The matrix can be applied for the research of the vibrating frequency domain characteristics of the artillery system which is caused by the excitation of the plainness road surface. this method can also be applied to more complicated input spectrum of the wheel - system vehicles, and it has general signification

    該矩陣可用於研究火炮牽引列車系統受路面不平度激勵所產生振動的頻域特性,該方法可以推廣到更復雜的輪系車輛輸入譜的推導,具有一般意義。
  6. For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation

    對給定的樣本點,由樣本點為變量的協方差函數構成的矩陣,當樣本點個數趨于無窮大時,證明此矩陣譜逼近於積分方程正定核的譜逼近定理。
  7. 2. deduce the spectrum matrix of six - tire input under the conditions that the tractor is two - axle and four - wheel ( the rear wheel is double - tire ) and the artillery is one - axle and two - wheel

    研究了牽引車為兩軸四輪(后輪為雙胎輪) ,火炮為單軸兩輪的六輪輸入譜矩陣。
  8. Based on the propagation law of the cross - spectral density function in the space - frequency domain, the properties of polychromatic vector gsm beams through a paraxial optical abcd system are studied. the analytical propagation expressions for the cross - spectral density matrix of vector gsm beams passing through a paraxial optical abcd system are derived, which permits us to study the propagation properties of vector gsm beams, including the propagation - induced polarization changes, effect of the spectrum bandwidth and irradiance distributions in a unique way. there are some applications of the theoretical results

    基於空間一頻率域中交叉譜密度函數的傳輸理論,研究了多色矢量gsm光束通過abcd光學系統傳輸時偏振特性的變化規律,首次推出了矢量高斯一謝爾模刑fgsm )光束通過近軸abcd光學系統交叉譜密度矩陣的傳輸公式,並對矢量gsm光束傳輸中偏振的變化、譜寬的影響和強度的分佈等進行了統一研究。
  9. Spectrum interpolation method of discrete system matrix

    離散系統矩陣的頻譜插值法
  10. Expanding the system ' s hamiltonian to a real symmetric matrix in an appropriate orthogonal basis vector and then diagonalizing it, we get the energy spectrum of the system and calculate the energy level spacing distribution function and the spectral rigidity. then we study the statistical character of the energy spectrum under the changing of magnetic field intension and find that the system ' s motion transfers from regular to chaos gradually

    將系統的哈密頓量在一個適當的正交基矢下展開並對角化,得到系統的能譜,分別計算系統能譜的能級間距分佈函數和譜剛度,研究了該系統量子能譜的統計特徵隨磁感應強度大小的改變而表現出的系統運動由規則到混沌的漸進變化。
  11. To solve it, the differential equation set is transformed by fourier transform and the dynamic differential equation in the form of matrix is educed. the calculation formulas of frequency response function of vehicle vibrating system, acceleration power spectrum density function are put forward

    用分析力學法建立整車動力學模型,推導出以矩陣形式表示的運動微分方程,並通過傅氏變換給出汽車動力學系統的頻率響應函數、加速度功率譜密度函數的計算公式。
  12. There are mainly two type of algorithms used for spatial spectrum estimation : one is those based on bayesian maximum likelihood method, like the ml ( maximum likelihood ) algorithm, maximum entropy method and etc., the others are based on the spatial decomposition or projection of correlation matrix, this kind of algorithm include vector characterization method, music ( multiple signal classification ) algorithm, projection matrix method, etc. music is a classical spatial spectrum estimation algorithm that has a super high resolution and is widely used today, however, it cannot estimate doa of signals that are correlated

    空間譜估計的演算法大致分兩大類:一是基於極大似然估計和最大后驗概率估計統計理論的演算法,包括:極大似然估計法( ml ) 、最大熵法等;另一類是基於對協方差矩陣進行子空間分解或投影的演算法,包括:矢量特徵法、多重信號分類法( music ) 、投影矩陣法等。其中, music法是一種經典的空間譜估計主流演算法,具有超強的分辨性能,但它無法實現對相干信號進行測向分辨。
  13. A important result is the one - orde r expression of ar ( p ) yt = dyt - 1 + e, from paralleling a high - order differential equation transformation into a one - order differential equation system, the one - order expression exposes that the ar ( p ) is only a certain more - multivariable power series process and, if a process is described as an ar ( p ), the sufficient and necessary condition is the spectrum norm a of the coefficient matrix d less than one. simplification of ar ( p ) not only brings about orthogonal f ( h ) but also provides global foretelling formula

    作者用高階微分方程化一階微分方程組的方法,獲得多元弱平穩序列p階自回歸模型的一步滑動平均表達式,證明了ar ( p )的是一個更高維的冪級數的線性過程,從而,說明了ar ( p )關于序列依概率成立的充要條件是:該模型更高維的冪級數的線性過程的表達式中系數矩陣d的譜范數1 。
  14. Compare the results of the couple - mode theory, muti - films theory and the transfer matrix method, improve calculation of the delay and dispersion spectrum, 2

    比較分析了光纖光柵主流演算法的優缺點和各自的應用特點,並對時延、色散譜的計算方法進行改進。
  15. Using the theories of probability, algebra and number theory comprehensively, we investigate a class of boolean functions with three - valued walsh spectrum in the first part of this dissertation : the properties of the extended semi - bent functions, which are constructed from any two bent functions, are studied, followed by the structure characteristics of the boolean functions satisfying propagation criterion with respect to all but two vectors ; the definition and cryptographic properties of k - order quasi - bent functions are proposed whose walsh spectrum takes on only three values. some sufficient and necessary conditions are offered to decide whether a boolean function is a k - order quasi - bent function ; a special method is presented to construct the k - order quasi - bent functions, whose cryptographic properties are explored by the matrix method, which is different from the method of walsh spectrum and that of autocorrelation of boolean functions ; the application of this kind of boolean functions in the fields of stream cipher, communications and block ciphers is discussed, which shows the great importance of the fc - order quasi - bent functions ; some methodology are proposed to construct the k - order quasi - bent functions, including the complete construction by using the characteristic matrices of boolean functions, and the recursive method by two known k - order quasi - bent functions we further extend our investigation to the ring zp, where p is a prime, and the similar results are presented as far as the p - valued quasi - generalized - bent functions are considered

    本文首先綜合運用概率論、代數學、數論等基礎學科的理論知識,並以頻譜理論作為主要研究工具,對一類譜值分佈相對均勻的函數? ?廣半bent函數、 k階擬bent函數和p值k階擬廣義bent函數進行了系統、深入的研究,給出了廣半bent函數定義,並探討了廣半bent函數的密碼學性質;給出了k階擬bent函數和p值k階擬廣義bent函數的定義及等價判別條件;討論了k階擬bent函數和p值k階擬廣義bent函數與部分bent函數和p值廣義部分bent函數的關系,探討了它們的密碼學性質;給出了k階擬bent函數和p值k階擬廣義bent函數的典型構造方法,並將對k階擬bent函數的密碼性質的研究轉化到對一類特殊的矩陣的研究上;利用布爾函數的特徵矩陣原則上給出了k階擬bent函數的一種完全構造方法,還給出了從已有的p值k階擬廣義bent函數出發,遞歸構造變元個數更多的p值k階擬廣義bent函數的方法;初步探討了k階擬bent函數在序列密碼、分組密碼以及通信中的應用;給出了一類布爾函數walsh譜的分解式,並利用這類布爾函數的walsh譜分解式給出了一類近似穩定的布爾函數的構造,特殊情形下為k階擬bent函數;利用代數數論的知識考察了p值k階擬廣義bent函數的譜特徵,並給出了k階擬廣義bent函數與所有仿射函數的符合率特徵等等。
  16. First, the thesis introduces the definitions and the attributes of the higher - order statistics. it is insensitive to additive gaussian noise ( white or colored ), which is what we base on to doa problems. then two doa estimation algorithms based on higher - order statistics are presented, one is that forming cumulant matrix pencil used in esprit to estimate doa problems, the other is spectrum estimation method for doa estimation based on the eigenstructure analysis of the fourth - order cumulant, and comparing the effects of the estimation to conventional covariance - based doa algorithms "

    論文首先對高階統計量的定義和性質作了介紹,特別指出了高階統計量對加性高斯噪聲(白色或有色)不敏感,這是我們利用它進行波達方向估計的理論依據,然後文中提出了兩種基於高階統計量的波達方向估計方法,一種是利用子空間旋轉不變技術構造四階累積量矩陣進行估計的方法,另一種是基於四階累積量陣特徵分解的空間譜估計測向方法,並將它們的估計效果與傳統協方差方法的效果進行比較。
  17. Using the transfer - matrix - method simulation, the transmission spectrum in such one dimensional ( 1 - d ) systems including three defects is calculated, and the influence of the interaction between defects on defect modes is discussed

    利用傳輸矩陣方法計算了含有3個負折射率缺陷的一維光子晶體的透射譜,討論了缺陷間的相互作用對缺陷模的影響。
  18. This paper applies transfer matrix method to calculate transmission coefficient of one - dimensional dual photonic crystal numerically simulating the effects of many factors on the transmission spectrum of one - dimensional dual photonic crystal

    摘要用傳輸矩陣方法研究了一維二元光子晶體在可見光區的透射特性,數值模擬多種因素對一維二元光子晶體的透射譜的影響。
  19. 5. the multi - point effect in frequency domain is studied, and the analytical procedure is simplified to some extent, that is, the responding data is accurate enough only with the input according to the first four degressively arranged eigenvalue of earthquake power spectrum matrix. there are disaccordant conclusions of multi - point input analys

    5 、研究了頻域內地震動的多點效應,並對計算過程進行了一定程度的簡化,即只需要計算輸入地震動功率譜矩陣從大到小排列的前4個特徵值所對應的地震動的動力反應。
  20. Through the i 、 q component of ipix radar sea clutter data " s histogram analyses and by skewness and kurtosis computed, it is been shown that sea clutter amplitude is not rayleigh distribution ; through the comparison of amplitude histogram and distributed models with the same parameters, it is been shown that hh polarization clutter is lognormal distribution, whereas vv polarization is k - distribution ; at the same time the correlation function and power spectrum density are been analyzed, at last the correlation compound k - distribution stochastic sequences whose covariance matrix is been given are been generated through sirp algorithm

    文中先介紹了海雜波幅度的有關模型,通過對ipix雷達海雜波數據的i 、 q分量的直方圖以及傾斜度和峰度進行了分析和計算,證明了海雜波幅度不服從瑞利分佈;使用幅度直方圖和相同參數下的各種分佈模型進行比較,得出hh極化符合對數正態分佈,而vv極化服從k -分佈的結論;同時對海雜波的相關函數和功率譜進行了分析,最後使用sirp演算法產生了給定協方差矩陣的相關復合k -分佈隨機序列。
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