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光影效果的Flash Loading动画附源文件，看上去很炫的Flash载入动画，动画的中心同时显示加载进度百分比，flash8可修改源文件。

VB实现Listview全癣取消全癣多选功能，弹出提示式多选功能，用ListView将读取到的本地磁盘列表显示在内，然后在每行数据的前边增加一个选择框，用户通过这个复选框可实现对Listview内容的单癣多选功能，我觉得这是个比较实用的小技巧。

说明：  实现QPSK发射和接收的整个过程，并做出不同信噪比下的星座图和误码率图(Implement the entire process of QPSK transmission and reception, and make constellations and BER maps with different signal-to-noise ratios)

陈长胜用FVCOM模式模拟长江冲淡水的经典力作，JGR的文章，很难得的哦 (Chen Changsheng simulated by CDW FVCOM classic masterpiece, JGR article, hard to come by Oh )

说明：  一个有源滤波器的模型，可以直接运行，没有对交流电源的测量部分(An active power filter model, which can run directly, has no measurement part for AC power supply)

Read this to understand basics about software testing.

阈值分割，实现多种方法的阈值分割，单灰度区间图像分割、多目标聚类分割、迭代聚类法分割。(Threshold segmentation, to achieve a variety of methods of threshold segmentation)

说明：  K-means算法代码，可以用于进行聚类分析，是matlab的算法函数(K-means algorithm code, which can be used for cluster analysis, is an algorithm function of matlab)

仿真算法 1）PV光伏电池模型采用工程实用C1C2数学模型； 2）采用基于占空比扰动的PO扰动观察法实现MPPT最大功率跟踪； 3）采用信号发生器和开关自由组合，实现4种工作模式：模式1，温度固定，光照固定；模式2，温度固定，光照突变；模式3，温度突变，光照固定；模式4，温度突变，光照突变； 4）跟踪效果良好，能够适应环境变化； 5）各个模块功能明确，方便学习和理解。(Simulation algorithm 1) The practical engineering C1C2 mathematical model is adopted in the PV photovoltaic cell model. 2) The maximum power tracking of MPPT is realized by using the PO perturbation observation method based on duty cycle perturbation. 3) The signal generator and switch are combined freely to realize four working modes: mode 1, temperature fixing and light fixing; mode 2, temperature fixing and light mutation; mode 3, temperature mutation and light fixing; mode 4, temperature mutation and light mutation; 4) The tracking effect is good and can adapt to environmental changes. 5) The functions of each module are clear and easy to learn and understand.)

code will run in labwindows