dijkstra

利用Simulink对变电站电压无功综合模糊控制的仿真,(Using Simulink integrated substation voltage and reactive power fuzzy control simulation,)

汽车座椅的模型，一个很好的变刚度变阻尼座椅模型。 本人编写，在simulink环境下使用(Car seat model, a good Damper seat models. I prepared, used under simulink environment)

Propagation of a Gaussian Chirp pulse in a dielectric medium

共振解调法诊断轴承损伤类故障的原理概述如下:当轴承某一元件表面出现局部损伤时，在受载运行过程中要撞击与之相互作用的其它元件表面，产生冲击脉冲力，由于冲击脉冲力的频带很宽，必然包含轴承外圈、传感器甚至附加的谐振器等的固有频率而激起这个测振系统的高频固有振动。根据实际情况可以选择某一高频固有振动作为研究对象，通过中心频率等于该固有频率的带通滤波器把该固有振动分离出来。然后进行包络解调，去除高频衰减振动的频率成分，得到只包含故障特征信息的低频包络信号，对这一包络信号进行频谱分析便可以容易地诊断出轴承的故障来。(The principle of resonance demodulation method in the diagnosis of bearing damage such failure overview is as follows: when the bearing surface of a local damage, in the process of loading operation to hit with other elements of the interaction of surface, impact pulse power, due to the impact pulse frequency band is very wide, inevitably contains the bearing outer ring, sensors and even additional resonator and stir up the natural frequency of the vibration system of the high frequency vibration mode.A high frequency vibration mode can be selected according to actual situation as the research object, through the center frequency is equal to the natural frequency of the bandpass filter to separate the natural vibration.Then envelope demodulation, frequency components to remove the high frequency vibration attenuation, get only includes fault feature information of low frequency envelope signal, the envelope signal spectrum analysis can be easily diagnosed bearing failure.)

说明：  利用非线性二次迭代法，进行机器人D-H参数误差辨识。(The nonlinear quadratic iteration method is used to identify the D-H parameter error of the robot.)

说明：  随机减量法，用环境激励得到固有频率的方法(random reduce)

关于MATLAB的图像消噪程序，很有用的(MATLAB image denoising procedure, useful)

相场模拟晶枝生长，采用有限差分法计算，可更改参数获得不同结果(Phase field simulated dendrite growth)

通信原理实验matlab仿真中衰落环境下的最小频移键控(Matlab simulation of communication theory experiment fading environment Minimum Shift Keying)

标准椭圆按中心点频移旋转矩阵得到一般椭圆的方程的方法(Standard ellipse at the center frequency shift rotation matrix of the general method of elliptic equations)