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WKB: 作品数：50被引量：77H指数：3; 导出分析报告; 相关领域：理学电子电信更多>>; 相关作者：彭朝晖李风华颜锋华金亚秋梁子长更多>>; 相关机构：中国科学院仁硕电子(东莞)有限公司仁硕科技(深圳)有限公司电子科技大学更多>>; 相关期刊：《声学学报》《Chinese Physics C》《国外科技新书评介》《中国科学：数学》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国科学院知识创新工程重要方向项目中国博士后科学基金更多>>

深海超低频WKB反转简正波模型被引量：1: 《声学学报》2024年第4期784-802,共19页朴胜春詹建康; 国家自然科学基金项目(12174048)资助。; 提出了一种基于抛物柱函数的深海超低频WKB反转简正波模型。采用比较方程法,选择形式解为抛物柱函数的映射方程,给出了典型深海声速剖面情况下简正波方程的抛物柱函数WKB近似解和近似条件。数值分析了Epstein声速剖面环境下简正波本征...; 关键词：简正波模型 WKB近似抛物柱函数全局近似误差

功能梯度压电压磁圆柱壳中纵向波的截止频率: 《力学学报》2023年第9期1950-1959,共10页邓良玉曹小杉马星荃汝艳; 国家自然科学基金(11572244);陕西省自然科学基金(2021JQ-467);陕西省科技创新团队(2022TD-61);陕西高校青年教师创新团队资助项目.; 采用解析方法研究材料参数沿径向变化的功能梯度压电压磁圆柱壳体中纵向导波的截止频率.建立了利用位移函数、电势函数和磁势函数表示的柱坐标系下功能梯度压电压磁圆柱壳中纵向波的力、电和磁耦合波动方程并表征齐次边界条件.在波数趋...; 关键词：截止频率功能梯度压电压磁材料 WKB 法圆柱壳中的纵向波

Oriented electron tunneling transport in hierarchical Ag/SiO_(2)/TiO_(2) nanobowl arrays for plasmonic solar water splitting被引量：2: 《Nano Research》2022年第2期1593-1602,共10页Zexin Yu Lixia Sang Angran Cao Yunlong Gao; the National Natural Science Foundation of China(No.51776009)for their financial support.; Hierarchical Ag/SiO_(2)/TiO_(2) nanobowl(NB)arrays were fabricated for use as plasmonic photoanodes for solar-hydrogen conversion.The nanobowls had large pore size and were composed of an upper TiO_(2) nanoring and a ...; 关键词：nanobowl TUNNELING Wentzel-Kramers-Brillouin(WKB)approximation hot electron SiO_(2)layer

Davey-Stewartson系列的无色散化探讨被引量：2: 《大学数学》2021年第5期37-41,共5页廖显金易戈; 从Davey-Stewartson(DS)系列的定义和性质出发,按照标准的无色散方法,研究了DS系列的无色散(半经典)极限.利用整个系列的特征函数的WKB表示,在无色散极限下,得到了无色散DS系列的哈密顿-雅可比型的非线性Lax表示,给出了无色散DS系列的...; 关键词：DS系列半经典极限 WKB表示流方程

The Homotopy Perturbation Renormalization Group Method to Solve the WKB Problem with Turn Points: 《Communications in Mathematical Research》2019年第4期377-382,共6页Lü YUE ZHAO XU-TONG LIU MING-JI Li Yong; In this paper,we give the homotopy perturbation renormalization group method,this is a new method for turning point problem.Using this method,the independent variables are introduced by transformation without introduc...; 关键词：HOMOTOPY movement RENORMALIZATION group method TURN point WKB PROBLEM

Asymptotic Approximation of the Eigenvalues and the Eigenfunctions for the Orr-Sommerfeld Equation on Infinite Intervals: 《Advances in Pure Mathematics》2019年第12期967-989,共23页Victor Nijimbere; Asymptotic eigenvalues and eigenfunctions for the Orr-Sommerfeld equation in two-dimensional and three-dimensional incompressible flows on an infinite domain and on a semi-infinite domain are obtained. Two configurati...; 关键词：EIGENVALUES EIGENFUNCTIONS Infinite Intervals WKB Methods Long-Wave LIMIT APPROXIMATION Short-Wave LIMIT APPROXIMATION Generalized HYPERGEOMETRIC Functions

Transference of Love-type waves in a bedded structure containing a functionally graded material and a porous piezoelectric medium被引量：1: 《Applied Mathematics and Mechanics(English Edition)》2019年第8期1083-1096,共14页S.MONDAL S.A.SAHU K.K.PANKAJ; The frequency of the Love-type surface waves in a bedded structure con- sisting of a porous piezoelectric (PP) medium and a functionally graded material (FGM) substrate is approximated. The FGM layer is assumed to hav...; 关键词：POROUS piezoelectric (PP) MATERIAL functionally graded MATERIAL (FGM) Love-type wave Wentzel-Kramers-Brillouin (WKB) approximation

Search for decay modes of heavy and superheavy nuclei被引量：1: 《Chinese Physics C》2019年第7期37-47,共11页A.Soylu; Supported by the Turkish Science and Research Council(TüB?TAK)with Grant Number 118R028; Spontaneous fission(SF) with a new formula based on a liquid drop model is proposed and used in the calculation of the SF half-lives of heavy and superheavy nuclei(Z = 90–120). The predicted half-lives are in agreeme...; 关键词：alpha decay SPONTANEOUS FISSION SUPERHEAVY Wentzel-Kramers-Brillouin(WKB) method

Quasinormal Modes of the Schwarzschild Black Hole Surrounded by the Quintessence Field in Rastall Gravity被引量：2: 《Communications in Theoretical Physics》2018年第12期695-704,共10页Jun Liang; Supported by the National Nature Science Foundation of Education Department of Shannxi Province under Grant No.15JK1077;the Doctorial Scientific Research Starting Fund of Shannxi University of Science and Technology under Grant No.BJ12-02; The quasinormal modes of the Schwarzschild black hole surrounded by the quintessence in Rastall gravity are studied using the sixth-order Wentzel-Kramers-Brillouin approximative approach. The effect of the Rastall par...; 关键词：QUASINORMAL MODES Rastall GRAVITY SCHWARZSCHILD black hole surrounded by the quintessencefield WKB approximation

Quasinormal Modes of a Noncommutative-Geometry-Inspired Schwarzschild Black Hole: 《Chinese Physics Letters》2018年第1期14-17,共4页Jun Liang; Supported by the Natural Science Foundation of Education Department of Shannxi Province under Grant No 15JK1077;the Doctorial Scientific Research Starting Fund of Shannxi University of Science and Technology under Grant No BJ12-02; The quasinormal modes（QNMs） of massless scalar field perturbation in a noncommutative-geometry-inspired Schwarzschild black hole spacetime are studied using the third-order Wentzel-Kramers-Brillouin approximative ap...; 关键词：In WKB Quasinormal Modes of a Noncommutative-Geometry-Inspired Schwarzschild Black Hole

WKB