linux

超声变幅杆原理和设计,详细介绍了超声变幅杆的原理及设计，pdf电子书籍(the pricinple and design of the ultrasonic horn)

雷达信号理论(林茂庸著） (Radar signal processing by Maoyong Lin)

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)

win32编程中常用的API，对于学些WIN32编程非常有用(win32 programm API datasheet, it is very useful for developer of win32)

一本对于学习超声系统很有帮助的书，可以方便的查阅和理解。书中对于各类的超声例如医学超声，工业超声都有说明。(A book that is very helpful for the learning of ultrasonic systems can be easily consulted and understood. All kinds of ultrasound, such as medical ultrasound and industrial ultrasound are described in the book.)

华为C++培训资料C++语言中级教材讲授C++语言的运用技术，包括：类、对象之间的关系、对象的存储与布局、运算符重载、智能指针、仿函数、泛型编程，C++模式设计基本思想。 (C++ language intermediate materials to teach C++ language use of technology, including: classes, relationships between objects, object storage and layout, operator overloading, smart pointer, functor, generic programming, C++ mode design basic idea.)

notes on optical fibre communication

codesys是一款针对控制器的编程语言，操作简单，针对性强(CoDeSys is a programming language for controllers, which is easy to operate and has strong pertinence.)

The Python 3 Standard Library by Example

说明：  conv opt solution manual