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检索条件"主题词=Eigenvalues and Eigenfunctions"
38 条 记 录,以下是1-10 订阅
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Derivation of Exact eigenvalues and eigenfunctions Based on the Analytical Transfer Matrix Method
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Chinese Physics Letters 2004年 第11期21卷 2089-2092页
作者: 何英 曹庄琪 沈启舜 DepartmentofPhysics ShanghaiJiaoTongUniversityShanghai200240
We extend the analytical transfer matrix method (ATMM) to calculate both the energy eigenvalues and wavefunctions for the Morse potential and the regulated Coulomb potential. Derivations of the exact eigenenergies and... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Novel Goodness of Fit Test Spectrum Sensing Using Extreme eigenvalues
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Chinese Journal of Electronics 2020年 第6期29卷 1201-1206页
作者: LI He ZHAO Wenjing LIU Chang JIN Minglu YOO Sang-Jo School of Information and Communication Engineering Dalian University of Technology Department of Information and Communication Engineering Inha University
The existing Goodness of fit(GoF) test based spectrum sensing algorithms mostly use samples or energies as observations to make decisions,which can hardly achieve satisfactory performance especially when the Primary u... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Symplectic Schemes and the Shooting Method for eigenvalues of the Schrodinger Equation
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Chinese Physics Letters 2004年 第9期21卷 1681-1684页
作者: 刘学深 匙玉华 丁培柱 InstituteofAtomicandMolecularPhysics JilinUniversityChangchun130012
The one-dimensional time-independent Schrödinger equation is transformed into a Hamiltonian canonical equation by means of the Legendre transformation, then the symplectic schemes and a new shooting method extended to... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
New WKB method in supersymmetry quantum mechanics
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Chinese Physics B 2012年 第4期21卷 54-59页
作者: 田贵花 School of Science Beijing University of Posts and TelecommunicationsBeijing 100876China
In this paper, we combine the perturbation method in supersymmetric quantum mechanics with the WKB method to restudy an angular equation coming from the wave equations for a Sehwarzschild black hole with a straight st... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Automatic Spectral Method of Mesh Segmentation Based on Fiedler Residual
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Chinese Journal of Electronics 2021年 第3期30卷 426-436页
作者: LI Lingfei WU Tieru Institute of Mathematics Jilin University
In this paper, we propose a fully automatic mesh segmentation method, which divides meshes into sub-meshes recursively through spectral analysis. A common problem in the spectral analysis of geometric processing is ho... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Investigation and Comparison of 5G Channel Models: From Qua DRi Ga, NYUSIM,and MG5G Perspectives
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Chinese Journal of Electronics 2022年 第1期31卷 1-17页
作者: PANG Lihua ZHANG Jin ZHANG Yang HUANG Xinyi CHEN Yijian LI Jiandong School of Communication and Information Engineering Xi'an University of Science and Technology State Key Laboratory of Integrated Service Networks Xidian University National Mobile Communications Research Laboratory Southeast University Algorithm Department ZTE Corporation
This paper investigates and compares three channel models for the fifth generation(5 G) wireless communications: the quasi deterministic radio channel generator(Qua DRi Ga), the NYUSIM channel simulator model develope... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Efficient and Explicit Fourier Modal Method for Ultrathin Metallic Gratings
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Chinese Journal of Electronics 2022年 第6期31卷 1155-1160页
作者: LI Jie SHI Lihua JIN Xin ZHANG Qi RAN Yuzhou LEI Qi MA Yao LIU Yicheng XIAO Jie WANG Jianbao National Key Laboratory on Electromagnetic Environment Effects and Electro-optical Engineering Army Engineering University of PLA Dongbei University of Finance and Economics National Innovation Institute of Defense Technology Academy of Military Sciences Unit 31007 of the PLA Cangxi School Education Bureau of Xinhua County
The solution of large matrix eigenvalues and complex linear equations limits the Fourier modal method(FMM) application in ultrathin metallic gratings(UMG) analysis. This paper proposes an efficient and explicit FMM me... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Suppression of the Resonant Scattering in Imperfect Acoustic Cloaking with a Lossy Medium in R^3
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Chinese Physics Letters 2014年 第5期31卷 80-83页
作者: LI Meng-Lei KIM Seungil Department of Mathematics and Research Institute for Basic Sciences Kyung Hee University Seoul 130-701 Korea
It has been realized that resonance frequencies of imperfect the transformation acoustics in R^2 are located near Dirichlet acoustic cloaking based on a small perturbation of eigenvalues of the cloaked region [Chin. P... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Electronic Transmission Properties of Two—Dimensional Quasi—Lattice
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Chinese Physics Letters 2002年 第2期19卷 236-239页
作者: 侯志林 傅秀军 DepartmentofPhysics SouthChinaUniversityofTechnologyGuangzhou510640
In the framework of the tight binding model, the electronic transmission properties of two-dimensional Penrose lattices with free boundary conditions are studied using the generalized eigenfunction method (Phys. Rev. ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Decay Rate of Energy eigenfunctions in Classically Energetically Inaccessible Regions
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Chinese Physics Letters 2004年 第10期21卷 1869-1872页
作者: 王文阁 DepartmentofPhysics SoutheastUniversityNanjing210096
Classically energetically inaccessible parts of energy eigenfunctions in configuration space are studied by making use of a generalization of Brillouin–Wigner perturbation theory. Approximate formulas are proposed fo... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论