一个oa 分析，比较全面，有很好的参考价值

在空调系统风扇的控制中，介绍一种高效率低损耗的开关磁阻电机控制方法，-In the air-conditioning system fan control, presents a low-loss high-efficiency switched reluctance motor control method,

独立键盘的原理和设计和方法，里面附有C的源代码-Independent keyboard theory and design and methodology, which with C source code

本文介绍一种以CPLD[1]为核心、以VHDL[2]为开发工具的时间控制器，该控制器不仅具有时间功能，而且具有定时器功能，能在00：00～23：59之间任意设定开启时间和关闭时间，其设置方便、灵活，广泛应用于路灯、广告灯箱、霓虹灯等处的定时控制。-This article describes a CPLD [1] as the core, VHDL [2] for the development of tools for time controller that features not only has the time, but with the timer function, can be between 00:00 ~ 23:59 arbitrarily set to open time and closing time, and its convenient, flexible, widely used in street lamps, advertising light boxes, neon lights, etc. The timing control.

plc梯形图算法,语句表和梯形图的互译,WWW.CHINA-PLC.COM/BBS提供-plc ladder algorithm, the statement tables and ladder diagram of Translation, provide WWW.CHINA-PLC.COM/BBS

快捷实现数据复制和磁盘运行,window linux-Realize fast data replication and disk run, window linux

摘要:报适了一种直接序列软扩频调制解调器的SAw实现方案，并给出了相应的实验结果。该方案刘一提高系统抗干扰能力、频宽利川等方而均具有与其他技术不同的特点。同时，该技术方案为进一步研究DS-0FDM下了基石出。 -Abstract: al fitness, a direct-sequence spread-spectrum modem soft Saw the realization of the program, and gives the corresponding experimental results. Liu of the program to improve system anti-interference ability, such as bandwidth Lichuan side and with other technologies have different characteristics. At the same time, the technology program for further study on DS-0FDM out under the foundation.

某学院的毕业设计以及毕业论文 非常参考价值，值得关注-a college graduate thesis and design is very valuable, and worthy of attention

阐述了网络监测的原理和技术，介绍了网络监测系统的实现过程，并对系统的性能优 化进行了讨论。-Expounded the principle of network monitoring and technology, introduce the network monitoring system for the realization of the process, and optimize the performance of the system are discussed.

msp430f169的系统设计图（protel 99 se）-msp430f169 system design (protel 99 se)

PLL system LPF/PFD/VCO/Divider model in Matlab,在Matlab中将PLL系统的各个模块模型话，便于分析整个PLL的环路稳定特性，锁定时间等…… 附录中包含完整的Matlab code-PLL system LPF/PFD/VCO/Divider model in Matlab, the Matlab will PLL system model of each module, the easy analysis of the whole PLL loop stability characteristics, lock time ... ... the appendix contains a complete Matlab code