R2_YuanWei_FFT

matlab无线传感网络分簇分析，通过分析不同的分簇算法，从而进行节点存活率的比较等问题(Matlab wireless sensor network clustering analysis, through the analysis of different clustering algorithms, so as to compare the survivability of nodes and other issues)

LTE-A系统下生成导频序列,主要用在ofdm情况下进行信道估计(generate pilot in LTE-A)

C-C方法计算时间延迟和嵌入维数计算Lyapunov指数计算关联维数混沌时间序列预测-The C-C Method is used to calculate the embeded dimension and Lyapunov exponents.It can be used to forcast the time series.

引入新型调频资源和应用先进控制方法是提升频率调节质量和效率的重要手段。首先，分析总结了大规模可再生能源接入对电力系统频率响应性能和调频需求两方面的影响。然后，从新型调频资源参与自动发电控制的可行性、经济性、有效性及控制策略等多个角度，综述了新型调频资源参与自动发电控制的关键问题和研究动态。归纳并讨论了几类先进控制技术应用于自动发电控制中的研究现状和应用前景。最后，对大规模可再生能源接入条件下自动发电控制的研究挑战和方向进行了总结和展望。(Introducing new FM resources and applying advanced control methods are important means to improve the quality and efficiency of frequency regulation. Firstly, the impact of large-scale renewable energy access on power system frequency response performance and frequency modulation requirements is analyzed and summarized. Then, the key issues and research trends of the new FM resources participating in the automatic generation control are summarized from the aspects of feasibility, economy, effectiveness and control strategy of the new FM resources participating in the automatic generation control. The research status and application prospects of several kinds of advanced control technologies applied in automatic generation control are summarized and discussed. Finally, the research challenges and directions of automatic generation control under the condition of large-scale renewable energy access are summarized and prospected.)

简单购物车功能的实现，使用Flex+java+Hibernate完成了购物车的部分功能。-The realization of a simple shopping cart feature, use the Flex+ java+ Hibernate to complete some of the features of the shopping cart.

说明：  吴恩达深度学习微专业课程一配套作业，jupyter notebook格式的(Wu enda deep learning micro professional course a matching homework)

说明：  含界面的CT试件的J积分计算。计算了（Simha，N.K.等人2005）的结果。主要是提取界面上的材料力，对J积分进行修正以保持路径无关性。(J integral for compact tension specimen with interface. The results of (Simha, N.K. et al 2005) are reproduced. Mainly, the material force in the interface is extracted and the J-integral is corrected to retain path independence.)

这是数字图象处理的书的第一章，一本不错的书-This is the digital image processing of the first chapter, a good book

说明：  停车场的管理系统(Car park management system)

说明：  0.96寸oled屏幕点亮测试程序(0.96 inch OLED screen lighting test program)