procedures for the use of the VB programming language. Use Winsock Control to co...

中国移动最新短信网关CMPP3.0的接口使用范例，SP开发必须-China Mobile, the latest message CMPP3.0 Gateway Interface using examples, SP development must

这是一个WINDOWS下的多串口驱动代码，非常方便好用，希望大家多多使用支持！-WINDOWS This is a multi-serial port driver code, very easy-to-use, I hope a lot of use in support of U.S.!

应用背景并；关键技术在С示例程序语言编写测试通信协议控制器

功能描述：FileManager用于对射频读卡器的数据更新和文件管理,操作界面仿照Windows的文件管理。通讯采用串口通讯，波特率为115200。 开发环境：C++ Builder 6.0 所用控件：TComm、ExpressNavBar Suite-Functional Description: FileManager RF card reader for data update and document management, user interface modeled on the Windows file management. Communications using serial communications, baud rate to 115200. Development Environment: C++ Builder 6.0 used in the control: TComm, ExpressNavBar Suite

Implements layered decoding using the sum-product-algorithm. Codes are input as a .txt file in A-list format.

项目为Pocket_PC上的一个简易计算器,开发平台为VB.net下的智能开发平台,在此平台才可运行完美效果,并附详细开发文档.要求加分!-project for the Pocket_PC a simple calculator, VB.net development platform for the intelligent development platform, the platform can run perfect results, with the development of detailed documentation. Extra hours!

matlab教程，详细介绍Matlab的基础、入门及使用指南。

1、FIR数字滤波器的设计（1）在主函数中调用dsnFIR函数，滤波器参数设为21阶、带阻、矩形窗、采样率1000Hz、上下截止频率分别为100Hz,400Hz；（2）利用drawFIR函数分别画出所设计的FIR滤波器的幅频特性图和相频特性图。2、FIR数字滤波实现（1）编写一个输入信号子程序func()，输入信号为一连续函数，表达式为；（2）对输入信号进行采样，即       ，这里取采样率，得到离散序列x(n)；（3）取x(n)中前40个点的值，将其转为复数存入复数数组x[64]中，并对x[64]做64点的FFT，得到的X(k)存回x[64]中；（4）已知在主函数中调用dsnFIR函数后得到的输出结果b[21]即为FIR滤波器单位冲激响应h(n)的值，将其转为复数存入复数数组h[64]中，并对h[64]做64点的FFT，得到的H(k)存回h[64]中；（5）已知用FIR滤波器对输入信号进行滤波就是将输入信号x(n)与滤波器单位冲激响应h(n)做卷积运算，故我转到频域采用FFT方法实现对输入信号x(n)的滤波，即将X(k)与H(k)相乘，得到滤波后信号的FFT变换Y(k)，然后只需对Y(k)做IFFT变换即可得到滤波后信号y(n)。

通过操作com口，收发短信。支持发送wap push-Through the operation of com port, send and receive message. Send wap push support

This paper will discuss the design of an asynchronous FIFO,Asynchronous FIFOs are widely used in the computer networking industry to receive data at a particular frequency and transmit them at another frequency. An asynchronous FIFO has two different clocks: one for read and one for write.-Asynchrinous FIFO design