this rar file for the developers of projects

数据库安全性实现的方法 自主存取控制（DAC）与强制存取控制（MAC） 授权（Authentication）与回收(GRANT&REVOKE) 数据库角色 -Database security methods to achieve self-access control (DAC) and Mandatory Access Control (MAC) authority (Authentication) and recycling (GRANT & REVOKE) database roles

这篇实验报告阐述了无线通信系统仿真的原理。主要完成两个任务，任务一是BPSK调制在AWGN信道和在rayleigh信道下的性能比较，任务二 CDMA扩频多用户系统。这篇报告介绍了相关原理，并且在附录上有matalb源代码及注释。-This report describes the experimental wireless communications system simulation theory. Completed two major tasks, First, the task BPSK modulation in AWGN channel and rayleigh channel, the comparison two tasks CDMA multi-user system. This report describes the relevant principles, and the appendix are matalb source code and the Notes.

详细描述PROJECT SERVER系统如何安装,非常好的项目管理学习手册.-PROJECT SERVER system described in detail how to install, very good project management to learn the manual.

ST公司的直流无刷无传感电机控制方案介绍-ST

方显科技公司的LCD控制器（256色， TFT屏， 支持分辨率320*240， 400*240， 480*240， 640*480， 800*600）-side remarkable technology companies in the LCD controller (256-color TFT screen, support for 320 x 240 resolution, 400 x 240, 480 x 240, 640 x 480, 800* 600)

数据挖掘的简介，通过它可以了解到数据挖掘的基本知识-Data Mining briefing, which can be seen that the basic knowledge of data mining

好多关于学生选课的毕业设计 很好的 大家尽量下吧-many of the students graduating classes of good design as far as possible under it

1．任意选取一个灰度图像和彩色图像，对算法中若干关键语句中的参数进行调整，得出不同的实验结果，并对这些结果进行分析。 2．根据自己所学知识，提出自己的轮廓线提取方法，与简单阈值法进行比较分析。 3．练习matlab自带算子的检测结果。 -1. Arbitrarily select a gray-scale images and color images, several key statements on the algorithm to adjust the parameters, results in different experimental results, and these results were analyzed. 2. Learned based on their knowledge, put forward its own contour extraction method, with a simple threshold method for comparative analysis. 3. Matlab built-operator practice test results.

这是一篇关于网络芯片选型的文章，对大家有较高的参考价值-This is an article on the network chip selection article, the U.S. has a high reference value

有：便携式多功能量水仪的研制 AD603在信号采集系统中的应用 一种用D_A转换器构成的程控增益放大器 -Are: the volume of water in portable multi-function Device AD603 in the signal acquisition system A converter consisting of D_A Programmable Gain Amplifier