Description: 利用matlab分析地震波场速度特征,是进行速度建模的基础-Matlab analysis of the use of the speed of seismic wavefield characteristics, speed of modeling is the basis of Platform: |
Size: 8192 |
Author:yaoweiyi |
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Description: 1、 假定有一目标沿水平方向运动，起始位置为(-2000米，500米)，运动速度为10米/秒，扫描周期 秒， , 米，采用蒙特卡洛方法对跟踪滤波器进行仿真分析，仿真次数为100次-1, it is assumed that the target has one movement along the horizontal direction, the starting position for the (-2000 meters, 500 meters), velocity of 10 m/s, scanning cycle of seconds, and rice, using the Monte Carlo method for simulation analysis of tracking filter The simulation frequency was 100 times Platform: |
Size: 124928 |
Author:刘思 |
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Description: 地震系统数据分析（加速度、位移、速度）输入信号的时域分析、输入信号时频变换、输出信号的时域分析、输出信号时频变换等-Seismic data analysis system (acceleration, displacement, velocity) input signal in time domain analysis, the input signal time-frequency transform, the output signal of the time-domain analysis, the output signal, such as time-frequency transform Platform: |
Size: 6144 |
Author:杨枚 |
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Description: 速度分析，用于地震勘探方面尤其有用。可以下载了自己改改，也可以用在其他方面-Velocity analysis for seismic exploration area is particularly useful. Can download their own changed, but also can be used in other areas Platform: |
Size: 3072 |
Author:林松 |
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Description: 地震资料处理程序，包括速度分析、绕射、增益-Seismic data processing procedures, including velocity analysis, diffraction, gain, etc. Platform: |
Size: 59913216 |
Author:李元 |
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Description: 关于圆盘耦合摆的研究，将介绍单圆盘耦合发电机模型和双圆盘耦合发电机模型的非线性方程组。通过对方程组的分析和MATLAB模拟计算，指出前者电流有稳定的周期解，后者在两圆盘角速度不同时可能进入混沌态，并且通过数值计算其Lyapunov指数（其中一个，出现了正值）来证明其混沌态-Research on the disk coupled pendulums, will introduce the model of a single disc and double disc coupling generator generator model coupled nonlinear equations. Equations through the analysis and MATLAB simulation, that the former current of a stable periodic solution, which is not the same in the two-disc angular velocity may enter the chaotic state, and by numerical calculation of its Lyapunov index (one of which, there have been positive) to prove the chaotic state Platform: |
Size: 19456 |
Author:张龙腾 |
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Description: 在Matlab/Simulink环境下，把独立的功能模块和S函数相结合，构建了无刷直流 电机系统的仿真模型。系统采用双闭环控制：速度环采用离散PID控制，根据滞环电流跟踪型PWM 逆变器原理实现电流控制。仿真和试验结果与理论分析一致，验证了该方法的合理性和有效性。-In the Matlab/Simulink environment, the independent functional modules and S-function combined to build a simulation model of a brushless DC motor system. Double-loop control system: the discrete velocity loop PID control, current control based on hysteresis current tracking PWM inverter principle. Simulation and experimental results with theoretical analysis to verify the legitimacy and effectiveness of the method. Platform: |
Size: 115712 |
Author:于月 |
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Description: FOlder contains 2 Matlab projects for Velocity analysis and normal moveout correction in exploration seismology. Good exercise Platform: |
Size: 2048 |
Author:ESSC India |
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Description: 1.纽马克算法，振动分析方法，计算多自由度系统振动响应，位移，速度，加速度
2.用于计算多自由度系统固有频率、固有振型、模态质量、模态刚度矩阵、正则模态向量、受迫响应振动
3.里兹法是一种缩减系统自由度的近似方法，用于多自由度系统的求解
4.庞加莱截面图法，用来对多变量自治系统的运动进行分析
5.频谱图法，用于系统的频域分析
6.线加速度法求解系统振动响应
7.雨流计数法，主要用于工程界, 特别在疲劳寿命计算中运用非常广泛，对载荷的时间历程通过计数的过程反映了材料的记忆特性-1. Newmark algorithm, vibration analysis method to calculate multiple degrees of freedom system vibration, displacement, velocity, acceleration 2. Multi-DOF system for calculating the natural frequencies, mode shapes, modal mass, modal stiffness matrix, normal modes state vector, forced vibration response 3. Ritz method is an approximate method to reduce the degrees of freedom for multi-degree of freedom systems solving 4. Poincare sectional view method for multivariable autonomous motion system are 5. the spectrum analysis method for frequency domain analysis system 6. the method for solving linear acceleration system vibration 7. the rain flow counting method, mainly used in engineering, especially used in the calculation of the fatigue life of a very wide range of load time through the course of the process of counting it reflects the memory characteristics of the material Platform: |
Size: 14336 |
Author:邱飞 |
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Description: Pablo is a pedagogical low-speed airfoil analysis program written in MATLAB. It uses a one way coupled inviscid + boundary layer model.
The inviscid flow is solved using a Panel Method [1]. Three different kinds of singularity distributions can be used. The boundary layer equations use the inviscid flow velocity provided by the panel method, but the effect of the boundary layer on the inviscid flow is not taken into account, as in Panda [2]. The boundary layer model is described in [3]. It uses Thwaites equations for the laminar part of the flow, and Head s equations for the turbulent part. Michel s criterion is used to locate transition. The drag coefficient is computed using the Squire-Young formula.-Pablo is a pedagogical low-speed airfoil analysis program written in MATLAB. It uses a one way coupled inviscid + boundary layer model.
The inviscid flow is solved using a Panel Method [1]. Three different kinds of singularity distributions can be used. The boundary layer equations use the inviscid flow velocity provided by the panel method, but the effect of the boundary layer on the inviscid flow is not taken into account, as in Panda [2]. The boundary layer model is described in [3]. It uses Thwaites equations for the laminar part of the flow, and Head s equations for the turbulent part. Michel s criterion is used to locate transition. The drag coefficient is computed using the Squire-Young formula. Platform: |
Size: 143360 |
Author:Qi |
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Description: 四轮转向车辆操纵稳定性仿真分析，首先建立二自由度四轮转向车辆运动微分方程，求解出横摆角速度、质心侧偏角、侧向加速度的传递函数，然后在MATLAB环境中通过M语言编写仿真软件对传递函数的时域与频域特性进行计算，最后将仿真数据与前轮转向车辆仿真数据进行对比分析。(The simulation analysis of steering stability of four-wheel steering vehicles first establishes the differential equation of motion of two-degree-of-freedom four-wheel steering vehicle, and solves the transfer function of yaw angular velocity, centroid side yaw angle and lateral acceleration, and then passes the medium language in MATLAB environment. The simulation software is written to calculate the time domain and frequency domain characteristics of the transfer function. Finally, the simulation data is compared with the front wheel steering vehicle simulation data.) Platform: |
Size: 13312 |
Author:气体扩散层 |
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