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DDR2_devic
海力士 DDR2 操作手册,时序说明,很强大,适合初学者(ddr2 Operation Manual)
- 2013-05-24 11:33:38下载
- 积分:1
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softwarephaselockedloop
在电网电压频率波动或者三相不平衡的情况下,硬件锁相很难准确检测到基波正序的相位。在结合PWM整流器空间矢量解耦控制算法的基础上,将软件锁相环技术应用在PWM整流器控制系统中,并用仿真和实验验证了该方案的可行性。实验结果表明,该方案解决了电网电压频率波动及三相不平衡时的相位同步等问题,并在工程上具有一定参考价值。(Frequency or voltage fluctuations in three-phase unbalanced case, the hardware lock is difficult to accurately detect the fundamental positive sequence phase. In the space vector PWM rectifier with decoupling control algorithm based on the software used in the PWM rectifier PLL control system, and use simulation and experimental verification of the feasibility. Experimental results show that the solutions to address the voltage and frequency fluctuations of the phase unbalanced three-phase synchronization issues, and the project has a certain reference value.)
- 2020-10-19 09:17:26下载
- 积分:1
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DATATCOM_closedloop by indraneel saki
ADVANCE OF STATCOM RO USE KORI PARIBO AT DISTRIBUTION SIDE RE
- 2019-02-25 14:56:20下载
- 积分:1
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超市积分管理系统论文1 (2)
说明: 本科计算机技术专业毕业设计论文
你值得拥有((Supermarket management system based on jsp+servlet+MySQL, super value, absolutely easy to use!))
- 2021-01-18 18:52:31下载
- 积分:1
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nbdy
电力系统中逆变器的设计,提供了很好的技术参考方案,值得借鉴(Power system inverter design, provided a good technical reference program, it is worth drawing)
- 2008-05-23 14:13:26下载
- 积分:1
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EWSimulation
一个很不错的仿真设计方案,强烈推荐看看!(A very good simulation of the design program, strongly recommended to see!)
- 2008-03-31 00:03:03下载
- 积分:1
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japan
一个对日项目的需求说明,初接触对日项目的用来作为基本了解吧(一个 Japan needs of the project shows that early exposure to the Japanese project used as a basic understanding of it)
- 2011-07-13 23:07:24下载
- 积分:1
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RA-OFDM
基于RA准则的多用户OFDM自适应资源分配算法改进,速率自适应算法的分析,对于自适应算法研究的朋友很有帮助(RA-based criteria for adaptive multi-user OFDM resource allocation algorithm for improved analysis of the rate adaptive algorithm, adaptive algorithm for friends helpful)
- 2008-06-17 11:24:21下载
- 积分:1
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考勤管理系统设计方案
这是一个考勤管理系统的设计方案.. 里面含:流程图,ER图,源代码. 欢迎大家来(This is an appraisal management system design .. inside containing : flowchart, ER map, the source code. Welcome everyone to see )
- 2020-06-26 08:40:01下载
- 积分:1
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protectofipm
较详细的论述了IPM模块的驱动及保护电路 (More detailed discussion of the IPM module driver and protection circuits)
- 2008-04-16 21:00:01下载
- 积分:1