Filtering

lingjian.m-----蒙特卡罗方法 lingjian.m使用零件初始值，用蒙特卡罗方法算出总费用。其中使用了自己编制的正态分布随机数发生器产生正态分布随机数。lingjian.m是对蒙特卡罗方法的一次练习。 accyouhua为标定值的函数，而lingjian不是一个函数，在其中已给出了一组标定值的值。 退火确定标定值/unitanneal()----模拟退火 连续型多个变量组合优化问题 这是对模拟退火方法的一次练习，结果证明模拟退火确实是一个行之有效的方法。 当参数选择较好时（一般也伴随着运行时间的加长），模拟退火的结果较好，然而用MATLAB的FMIMCON()一般可达到更高的精度。(lingjian.m---- Monte Carlo method. 氀椀渀最樀椀愀渀.m Part initial value, using the Monte Carlo method to calculate the total cost. The preparation of their own normal distribution random number generator to generate normally distributed random numbers. lingjian.m is the first practice of the Monte Carlo method. accyouhua calibration value the function lingjian not a function, which gives the value of a set of calibration values. Annealing to determine the calibrated value/unitanneal ()---- Simulated Annealing 吀栀攀 continuous multiple variables combinatorial optimization problems 吀栀椀猀 is an exercise of the simulated annealing method, the results show that the simulated annealing is an effective method. 圀栀攀渀 the parameter selection is better (generally accompanied by a longer running time), simulated annealing results, however using MATLAB FMIMCON () generally achieve higher accuracy.)

说明：  输电网9节点区间潮流计算程序，修改数据可用(IEEE 9 interval power flow)

参数活动轮廓模型实现的轮廓逼近，开发环境matlab(Contour parametric active contour model implementation approach, the development environment matlab)

有较大白噪声的图像，给出了全部滤掉图像中的高频部分实现图像的去噪，具体去噪程序(Image larger white noise, filter out all the high-frequency portion of the image the image de-noising, de-noising procedure)

matlab的psat软件用于潮流计算，连续潮流计算，小扰动分析，分岔分析等等，方便实用(The psat matlab software for flow calculation, continuous flow calculation, the small perturbation analysis, bifurcation analysis, etc., convenient and practical)

matlab code example

说明：  matlab代码仿真海浪模拟模型，matlab语言(Matlab code simulation ocean wave simulation model, MATLAB language)

scalefree网络的matlab程序 (matlab network scalefree procedures)

耳蜗实质上相当于一个滤波器组，耳蜗的滤波作用是在对数频率尺度上进行的，在1000HZ下，人耳的感知能力与频率成线性关系；而在1000HZ以上，人耳的感知能力与频率不构成线性关系，而更偏向于对数关系，这就使得人耳对低频信号比高频信号更敏感。Mel频率的提出是为了方便人耳对不同频率语音的感知特性的研究。频率与Mel频率的转换公式为(Cochlear substantially equivalent to a filter set, cochlear filter is used on logarithm frequency scale, under the 1000 hz, the perception of the human ear and a linear relationship with frequency In more than 1000 hz, the perception of the human ear does not constitute a linear relationship with frequency, and prefer to logarithmic relationship, which makes the human ear is sensitive to low frequency signal is better than high frequency signal. Mel frequency is put forward in order to facilitate the ear of the study of speech perception characteristics of different frequency. For frequency and Mel frequency conversion formula )

小波软阈值的去噪处理代码，比较了软阈值,硬阈值及当今各种阈值计算方法和阈值函数处理方法的性能 (Wavelet soft threshold denoising code)