cmex

说明：  pq分解法都潮流计算，适合电力系统都人员使用，作为参考(pq)

m.file frequency filter for image processing applications

it s a communication document

图像频域滤波，用matlab实现了在图像频域中通过Butterworth陷波器消除周期性噪声干扰信号。(Image frequency domain filtering using matlab achieved in the frequency domain image by Butterworth notch filter to eliminate periodic noise signal.)

Fast Hankel Transform Algorithm (Fast Hankel Transform Algorithm)

说明：  Parzen窗法，由样本求概密估计，例为一维正态分布和双峰均匀分布，内附随机数生成的原理说明。( window method, by the sample density estimate for estimated Example for one-dimensional normal distribution and bimodal uniform distribution, random number generator containing a description of the principle.)

最优控制是现代控制理论的核心，它研究的主要问题是：在满足一定约束条件下，寻求最优控制策略，使得性能指标取极大值或极小值(The optimal control is the core of modern control theory it is the main problem is: conditions meet certain constraints, finding the optimal control strategy, and performance to take the maximum or minimum value)

Mathematic model of acoustic field for ultrasonic transducers according to "Ultrasonic beam structures in fluid media" paper

功率谱估计AR和经典普估计，以及平滑的周期图估计，并对其优化。。(AR power spectrum estimation and classical general estimation, and smoothing of the periodogram estimate, and its optimization. .)

最大熵图像分割，希望能帮助到大家~~~~~~~~~~~~(Maximum Entropy Image Segmentation)