buntou

说明：  S 函数 编写的 PID程序 在MATLAB上 调试成功 请大家参考(S function to write the PID program debugging success in MATLAB reference)

logistics分岔图和其迭代过程中的迭代值的分布图(To draw the logistics iterative process map, can see the visual and iterative convergence.)

利用matlab通过包络谱与能量谱诊断轴承内外圈故障，并附有内外圈的故障数据，适合初学者。(By using matlab spectrum and energy spectrum envelope bearing inner ring fault diagnosis, fault data together with inner and outer rings, suitable for beginners.)

求音频的掩蔽曲线,可以用于音频提取水印,还可以用于音频分析(For audio masking curve, can be used for audio watermark extraction can also be used for audio analysis)

惯导系统初始对准的Matlab源代码，对于惯性导航系统的初始对准算法研究有帮助(INS initial alignment of the Matlab source code for inertial navigation system to help the initial alignment algorithm)

HHT变换的三种方法 Matlab HHT变换的三种方法 Matlab(HHT transform three ways three ways Matlab HHT transform Matlab)

说明：  是电力系统的电磁暂态仿真用的EMTP中的免费版ATPDraw，主要是应用于交直流的暂态仿真，这是图形界面版的(this is power system software)

根据对真空蒸发镀膜的分析，在40×40的范围内分别蒸 发：1000、5000、10000、20000、30000个粒子。  利用2维数组记录每个点的粒子数。  初始粒的横纵坐标为0～40的均匀分布。  能量为（15，3）的正态分布。  在基体表面自由行走时损失1的能量。  若该点有粒子，即与其他粒子相遇时损失3的能量。  由低处向高处扩散，每扩散一层，损失4的能量，由高处 向低处扩散，损失3的能量。  当粒子的能量小于等于0时停留下来，该点的粒子数加1。  临界核的尺寸为10个粒子。  根据每个点粒子个数的不同，以不同的灰度显示这些点。 点越亮，则表示该点的膜越厚。  以图形方式显示粒子初始能量的正态分布情况(Based on the analysis of the vacuum evaporation coating, respectively, in the range of from 4040 evaporated: 1000,5000,10000,20000,30000 particles.  each point using 2-dimensional array to record the number of particles. The  initial grains transverse and longitudinal coordinates of a uniform distribution of 0 to 40. The  energy as a normal distribution (15,3).  1 energy losses in the substrate surface to walk.  point particles that 3 energy loss in the encounter with the other particles.  by the lower diffusion tops every diffusion layer, a loss of 4 energy diffusion from high to low, the energy loss of 3.  When the energy of the particles is less than or equal to 0:00 stay down, add 1 to the number of particles that point.  critical nucleus size of 10 particles.  these points, depending on the number of particles of each point is displayed in a different shade. Point, the brighter, the thicker the point of the fi)

matlab实现CIC滤波器，包括积分滤波器和梳状滤波器(Matlab implementation of the CIC filter, including integral filter and comb filter)

average or mean filter for salt and pepper noise.i hope this file help u