编写自己的操作系统，参考

电子书库可以实现电子书的阅览，方便查阅，实现信息的修改-E-book e-books can be viewed for easy access, modification information

visual c＋＋网络通信程序开发指南附带的程序所有的源码。-visual c++ network programming guide accompanying the source of all procedures.

USB1.1协议文档，是中文的，很实用的，PDF-USB1.1 protocol document, in Chinese, and very practical, PDF

MPEG4中基于内容的视频编码及音频技术剖析-Content-based MPEG4 video and audio coding technology analysis

MPLABIDE中文用户指南,pdf格式，是Microchip提供的开发环境，用于开发PIC和dsPic单片机程序-MPLABIDE Chinese User

java的一些常用算法。。。怎么要那么多字的说明？-java some commonly used algorithm. . . So much how to word the note?

Win32 API参考手册完全版-Win32 API reference manual full version

PWM技术应用综述,介绍了多种PWM的实现方法！值得一看！-PWM technology overview describes the realization of a variety of PWM methods! Worth a visit!

休闲书籍 四季传说-leisure books Seasons legend

国外OFDM经典书籍，介绍正交频分复用（OFDM）技术的原理及其在无线通信领域内的应用，包含无线通信系统的发展历程以及无线衰落信道的基本特性，OFDM技术的基本原理与特性，OFDM技术内峰值平均功率比，同步和信道估计等问题-OFDM abroad classic books, Introduction Orthogonal Frequency Division Multiplexing (OFDM) technique and its application in the field of wireless communications applications, including wireless communication systems, as well as the development process of the wireless fading channel basic characteristics, OFDM technology, the basic principles and characteristics of , OFDM technology within the peak-average power ratio, synchronization and channel estimation issues such as