3

用于ANSYS进行模态分析的代码，可以直接运行得到坎贝尔图(ANSYS code for modal analysis can be run directly get Campbell diagram)

一本有效用于学习运算放大器的书籍，通过多种实验图纸给出了详细的工作状况(A book for effective learning of operational amplifiers)

界面美化控件，可以提高界面的美观程度，使用方便(Interface, landscaping controls, can improve the level of the interface appearance, easy to use)

一本编程算法书，全书共30章，提供了差分方程模型、变分法、马氏链模型、神经网络模型等十几个模型的编程方法。(A programming algorithm book, a total of 30 chapters, provides a differential equation model, variational method, Markov chain model, neural network model and so on more than a dozen models of programming methods.)

高频实验Multisim仿真：一、混频器（原理图、信号输入输出波形与频率）二、调幅波的解调（原理图及全载波调幅信号的解调）三、惰性失真及底部切削失真(Multisim simulation of high frequency experiment: 1. Mixer (schematic diagram, signal input and output waveform and frequency) 2. Demodulation of amplitude modulation wave (schematic diagram and demodulation of full-carrier amplitude modulation signal) 3. Inert distortion and bottom cutting distortion)

谭浩强的C语言书籍，对于C语言的学习来说，是一本很好的入门书籍(a good book for C)

国外经典通信教材 通信系统第四版 simon haykin(Foreign classical communication textbook communication systems simon haykin Fourth Edition)

该书是一本较好的R语言编程书籍，从认识到实战，手把手教你如何使用R语言进行数据分析、挖掘、画图等等。(This book is a good R language programming book, from understanding to actual combat, teach you how to use R language data analysis, mining, drawing and so on.)

This one of the good tutorial about SQL for beginners.

说明：  介绍EKF和UKF理论及其区别，通俗易懂。 (Introduced EKF and UKF theory and its distinction, easy to understand.)