ModBus通讯协议分为RTU协议和ASCII协议，下面就ModBus RTU协议简要介绍如下：...

Windows串口编程 -Windows serial programming

产生OFDM信号,能量是100watts，2048 个载波，512个cycle prefix-generate an OFDM signal

对衰落信道的仿真。在matlab上实现，有使用价值-right fading channel simulation. On the Matlab, and it is useful

微软亚洲研究院论文：无线网络视频传输中功耗最低的资源分配策略-Microsoft Asia Research Institute paper : wireless network video transmission power of the minimum resource allocation strategies

随着市场竞争的日益激烈，各个企业都想尽办法完善对客户的服务，电话客户服务便是企业推出的一项举措，通过电话与客户联系业务，为客户解答问题，但是在客户过多的情况下，难免出现问题，为了避免这种情况的发生，需要对所有的客户电话都录音，通过录音可以更好的了解客户的需求，也可以避免员工在工作中出现差错。-With the increasingly fierce market competition, all companies have tried every means to improve customer service, telephone customer service is the company launched an initiative on the phone with customer contact business, to answer questions for customers, but the customer too much circumstances, the inevitable problems, in order to avoid this from happening, the need for all customers calls are recorded through the recording could be a better understanding of customer needs, but also employees in their work to avoid errors.

展讯平台nt3916 lcd 驱动code-Spreadtrum platform nt3916 lcd driver code

这个程序是控制NRF24E1的跳频的测试程序，通过这个程序可以了解跳频的实现方法-this procedure is to control the frequency-hopping NRF24E1 testing procedures, this procedure can understand the method of frequency hopping

定义主机正在通讯闪灯信号，定义主机通讯传送握手信号，接收子程序，延时子程序-definition mainframe communications are flashing light signals, definitions mainframe handshake signal transmission, the receiving subroutine, delay subroutine

iic master 功能，通过iic进行单个bit的读写，并将输出打印在LED上，代码分几个模块，其中涉及到inout的设置，并且经过验证可以良好应用

butterworth滤波器，实现高通低通带通的butterworth滤波器