MTI

静态图像的鲁棒性数字水印算法，主要介绍一种新的鲁棒性盲水印，内附matlab程序(static image robust digital watermarking algorithm, introduced a new Robust blind watermark, containing Matlab procedures)

本文建立了独立悬架汽车整车七自由度动力学模型，推导了振动微分方程，运用数值仿真的手段研究了汽车悬架阻尼系数、刚度等设计参数对汽车振动特性的影响规律。结果表明，在共振区域附近，相对较大的刚度，会导致汽车的舒适性下降，但在共振区以外的高频区，刚度对汽车振动幅值的影响并不大；后桥悬挂阻尼对汽车振动幅值的影响较前桥强烈，适当增大后桥悬挂的阻尼有利于振动幅值的降低(This paper established an independent suspension vehicle dynamic model of seven degree of freedom, the vibration differential equation is derived, using the numerical simulation method of vehicle suspension damping coefficient, influence of design parameters on vehicle vibration characteristics of stiffness. The results show that in the resonance region, a relatively large stiffness, will lead to the comfort of the car down, but in the resonance region outside the high frequency region, the effect of stiffness of the vehicle vibration amplitude is small; the effect of damping on automobile suspension vibration amplitude is strongly increasing the rear axle axle, suspension damping to reduce the vibration amplitude)

本程序是4dpsk的matlab仿真以及在sinmulink下的建模仿真(This procedure is the matlab simulation 4dpsk as well as in the modeling and simulation sinmulink)

Random Waypoint Model

it is overlap add method for signals

4节点板单元刚度矩阵，用于计算平面板单元刚度矩阵(4-node plate element stiffness matrix is ​ ​ used to calculate the stiffness matrix flat panel unit)

说明：  matlab ocd函数 最优化的方法 有具体代码(the optimizition of the ocd function use in matlab)

FDTD Finite-Difference Time-domain in free space no ABC FDTD(t) runs FDTD for time t. FDTD implements the FDTD/staggered leapfrog scheme over time 0-max_time and space 0-max_space. This program simulates a gaussian pulse in the grid specified with max_time and max_space. The pulse is sent from the center of the problem space and disperses in both directions -Kira Heater

Far field of rectangular piston transducer

audio player USING MATLAB AND GUI TO RUN THIS FILE USE THE FILE A.M