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Description: 二分法解非线性方程－－－相变过程中的界面迁移速率---- Dichotomy solution of nonlinear equations in the process of phase-change interface migration rate
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Size: 1024 |
Author: 俞伟 |
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Description: three-phase Permanent Magnet Synchronous Motor(PMSM) velocity control DSP program-three-phase Permanent Magnet Synchronou s Motor (PMSM) velocity control DSP program
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Size: 6144 |
Author: cbwli |
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Description: 步进电机的MATLAB仿真程序，采用了卡尔曼滤波，对定子电流进行估计，并估算出转子的位置和速度-Continuous time extended Kalman filter simulation for two-phase step motor，Estimate the stator currents, and the rotor position and velocity, on the
basis of noisy measurements of the stator currents.
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Size: 2048 |
Author: 李健 |
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Description: 本书详细论述了光纤中的各种非线性效应.全书共分 10章.分别介绍了光纤和非线性光学，光纤模式及有非线性源时脉冲的传输，综述了光纤中的基本传输方程的数值方法、群速度色散、自相位调制、··… 等内容.本书自始至终强调了各种非线性效应对光ill信的影响，对从事非线性光纤光学研究及光纤通信的科研人员及大学教师、本科生和研究生是一本非常有用的参考书.
-This book discusses in detail the various nonlinear optical effects. The book is divided into 10 chapters. Introduced the fiber and nonlinear optics, optical fiber non-linear source model and the pulse transmission, an overview of the basic fiber transfer equation and numerical method, group velocity dispersion, self phase modulation,** ... and so on. This book consistently emphasize a variety of nonlinear effects of light ill effects of the letter, engaged in non-linear fiber optics and fiber optic communications R & D personnel and university teachers, undergraduate and graduate students are a very useful reference book.
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Size: 8602624 |
Author: yangiy |
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Description: This simulink model simulates the damped driven pendulum, showing it s chaotic motion.
theta = angle of pendulum
omega = (d/dt)theta = angular velocity
Gamma(t) = gcos(phi) = Force
omega_d = (d/dt) phi
Gamma(t) = (d/dt)omega + omega/Q + sin(theta)
Play with the initial conditions (omega_0, theta_0, phi_0 = omega(t=0), theta(t=0), phi(t=0)) and the system parameters (g, Q, omega_d) and the solver parameters/method.
Chaos can be seen for Q=2, omega_d=w/3.
The program outputs to Matlab time, theta(time) & omega(time).
Plot the phase space via:
plot(mod(theta+pi, 2*pi)-pi, omega, . )
Plot the Poincare sections using:
t_P = (0:2*pi/omega_d:max(time))
plot(mod(spline(time, theta+pi, t_P), 2*pi)-pi, spline(time, omega, t_P), . )
System is described in:
"Fractal basin boundaries and intermittency in the driven damped pendulum"
E. G. Gwinn and R. M. Westervelt
PRA 33(6):4143 (1986)
-This simulink model simulates the damped driven pendulum, showing it s chaotic motion.
theta = angle of pendulum
omega = (d/dt)theta = angular velocity
Gamma(t) = gcos(phi) = Force
omega_d = (d/dt) phi
Gamma(t) = (d/dt)omega+ omega/Q+ sin(theta)
Play with the initial conditions (omega_0, theta_0, phi_0 = omega(t=0), theta(t=0), phi(t=0)) and the system parameters (g, Q, omega_d) and the solver parameters/method.
Chaos can be seen for Q=2, omega_d=w/3.
The program outputs to Matlab time, theta(time) & omega(time).
Plot the phase space via:
plot(mod(theta+pi, 2*pi)-pi, omega, . )
Plot the Poincare sections using:
t_P = (0:2*pi/omega_d:max(time))
plot(mod(spline(time, theta+pi, t_P), 2*pi)-pi, spline(time, omega, t_P), . )
System is described in:
"Fractal basin boundaries and intermittency in the driven damped pendulum"
E. G. Gwinn and R. M. Westervelt
PRA 33(6):4143 (1986)
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Size: 8192 |
Author: Mike Gao |
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Description: 全波频率相速度分析，可以分析软硬地层，不同层数的底层-Full-wave frequency phase velocity analysis, to analyze hard and soft strata, different layers of the underlying
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Size: 1024 |
Author: 庞海波 |
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Description: 对微波传输线的相速、阻抗以及各种形式的传输线详细讲解，对布局走线和阻抗控制等很有好处啊。讲解S参数和设计放大器的基本原则等，努力学习中-Microwave transmission line on the phase velocity, impedance, and various forms of transmission lines explained in detail on the layout alignment and impedance control is very good ah. S parameters and explain the basic principles of amplifier design, to the study. . . .
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Size: 468992 |
Author: transfer |
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Description: 应用matlab计算lamb波的频散曲线，计算群速度以及相速度。-Matlab computing applications lamb wave dispersion curves, group velocity and phase velocity calculation.
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Size: 107520 |
Author: HangXie |
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Description: 程序实现波传播过程中相速度变化与频厚积之间的关系曲线 程序过程清晰易懂 为选择中心频率以减少模式重叠提供依据-Phase velocity
lamb
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Size: 54272 |
Author: 朱程燕 |
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Description: 相速度频散曲线计算，更详细的介绍见英文描述。对于做波场模拟的同学很有参考价值。-Calculation of phase velocity dispersion curves
Authors: Yann Capedevile
General: Processing
Code level: Training
Language: Fortran 90/95 or later
Associated groups: Planetary Scale
Supercomputing: Serial
Coordinate system: Spherical
Tested operating system: Linux, Mac OSX
Total hits: 8298
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Size: 16229376 |
Author: skyey |
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Description: 电磁场和电磁波中相速度和群速度是个难点，本程序形象描述二者关系-Analog of the group velocity and phase velocity
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Size: 1024 |
Author: zdw |
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Description: 请大家帮忙看看问题出在哪里,a0\a1\a2还可以，A3以后就不对了-Matlab computing applications lamb wave dispersion curves, group velocity and phase velocity calculation.
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Size: 1024 |
Author: ymqiang |
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Description: 请大家帮忙看看问题出在哪里,a0\a1\a2还可以，A3以后就不对了-Matlab computing applications lamb wave dispersion curves, group velocity and phase velocity calculation.
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Size: 1024 |
Author: ymqiang |
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Description: 一个已知界面上下Thomsen参数和入射P波相角计算反射或者透射P波相速度、群角和群速度的程序.依据吴国忱公式
-The program that known Thomsen parameters,incident P wave reflection and transmission phase Angle to calculate P wave phase velocity, group of Angle and the group velocity.
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Size: 1024 |
Author: 陈超 |
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Description: 一个已知界面上下Thomsen参数和入射P波相角计算反射或者透射S波相速度、群角和群速度的程序.依据吴国忱公式-The program that known Thomsen parameters,incident P wave reflection and transmission phase Angle to calculate S wave phase velocity, group of Angle and the group velocity.
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Size: 1024 |
Author: 陈超 |
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Description: 一个已知界面上下Thomsen参数和入射S波相角计算反射或者透射S波相速度、群角和群速度的程序.依据吴国忱公式
-The program that known Thomsen parameters,incident S wave reflection and transmission phase Angle to calculate S wave phase velocity, group of Angle and the group velocity.
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Size: 1024 |
Author: 陈超 |
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Description: 程序计算了压电铌酸锂薄板中Lamb波传播时的相速度-The program calculates the phase velocity of the piezoelectric thin lithium niobate when the Lamb wave propagation
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Size: 3072 |
Author: 顾春龙 |
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Description: 计算已知激励频率以及平板厚度情形下的Lamb波传播组群速度及相速度-calculate Lamb waves phase velocity and group velocity
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Size: 1024 |
Author: lianos |
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Description: Field, Characteristics Impedance and Phase velocity calculation of Transmission Line using Finite Difference Method.
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Size: 1135 |
Author: ibror9 |
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Description: Effect of intracortical bone properties on the phase velocity and cut off frequency
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Size: 1370521 |
Author: azdin.drissi@gmail.com |
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