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this is Image Segmentation Patern Recognition Beta Version.rar

Quantization error and distribution.

基于Ncut谱聚类的例子，其中包含了SVM代替k-means的方法进行后续分类。(Example of Ncut spectrum clustering .)

通过抖动编码，将图像转换成灰度图像；用matlab实现(convert the image to gray level image by using the jitter code method)

主动锁模光纤激光器仿真程序，EDF，AM,PM调制等。(Actively mode-locked fiber laser simulation program。)

基于matlab的光伏电池半物理仿真系统的研究 本文从原理上得出简化的光伏电池板数学模型，并分析了在阴影条件下光伏电池板的运行规律，并加以改善，从而得到比较完善的光伏电池板模型。将光伏电池模型在 Matlab/Simulink 中建模并仿真，在 PC机上得出光伏电池 V-I,V-P 特性。最后将 PC 机上 Matlab/Simulink 建立的光伏电池模型通过 AD/DA 板卡于外界真实量交互，为在 Matlab/Simulink 上搭建光伏系统能量提供部分的半物理仿真提出了可行性和合理性。(Research on Photovoltaic Battery Semi-Physical Simulation System Based on Matlab In this paper, a simplified mathematical model of photovoltaic panels is derived in principle, and the operating rules of photovoltaic panels under shadow conditions are analyzed and improved to obtain a more complete photovoltaic panel model. The photovoltaic cell model was modeled and simulated in Matlab/Simulink, and the PV cell V-I, V-P characteristics were obtained on the PC. Finally, the photovoltaic cell model established by Matlab/Simulink on the PC is interacted with the actual amount through the AD/DA board, providing feasibility and rationality for the semi-physical simulation of building photovoltaic system energy on Matlab/Simulink.)

MATLAB遗传算法工具包，内含标准遗传算法各函数及改进遗传算子的实现函数。(MATLAB genetic algorithm tool kit, containing the standard genetic algorithm to improve the function and genetic operators of the implementation function.)

用一个带有纯延迟的二阶系统模拟谷物干燥控制系统，比较模糊控制和传统PID控制的性能 (With a second-order system with pure delay grain drying simulation of control systems, fuzzy control and compare the performance of traditional PID control)

Induction machines are more rugged, compact, cheap and reliable in comparison to other machines used in similar applications. Vector controlled induction motor drive outperforms the dc motor drive because of higher transient current capability, increased speed range and lower rotor inertia

tutorial on matlab signal processing commands