回调函数 function callback

附加的 matlab 代码显示如何评估在 MIMO 系统中的信号信噪比。该代码检查每个链接在通道和模拟的结果与理论结果派生由于理论背景咪咪通信系统中的礼物

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FreeBSD 开发者手册(pdf)，全面的系统级编程指南，热爱BSD unix的朋友不可错过。也可在其官方镜像下载其他格式。-FreeBSD developers manual (pdf), a comprehensive guide to system-level programming, love BSD unix friends not to be missed. Also available on its official download the image format.

使用VB访问WINCC，可实现第三方软件控制S7200的PLC-use VB to visit WINCC, achieving third-party software control S7200 PLC

用计算机并口模拟SPI通讯的C源程序。 用计算机并口模拟SPI通讯的C源程序。-parallel computer simulation SPI communications C source. Parallel computer simulation of SPI communications C source.

二阶锁相环的基本MATLAB仿真模型 说明了二阶环对频率阶跃的有效跟踪-second-order PLL basic MATLAB simulation model shows the second part of the effective frequency tracking Step

展讯平台12x12及14x14 宋体字库文件-Spreadtrum platform宋体12x12 and 14x14 font file

邮件发送 代码 邮件发送代码代码-E-mail e-mail code code code

程控滤波器论文。实现了步进为10dB的0到60dB的可调增益。滤波器部分以可编程开关电容滤波器MAX262芯片为核心，实现了截止频率1KHZ-20KHZ步进1HZ可调的程控滤波器，各项误差低于5％。-Program-controlled filter papers. To realize a step from 0 to 60dB in 10dB of adjustable gain. Filter part of programmable switched capacitor filter MAX262 chip as the core, realize the cut-off frequency 1Hz step 1KHZ-20KHZ program adjustable filter, the error of less than 5.

AT命令集，GPRS模块开发必备，包含2个pdf，一中文，一英文，可互相对照阅读-AT command set, GPRS module development necessary, including the two pdf, one Chinese, one English, can be read against each other