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50A-APF-design
关于电力有源滤波器的设计,是基于钢厂电网情况的具体设计(essay about APF design)
- 2012-06-18 19:26:21下载
- 积分:1
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wojieliuliangji
涡街流量计数字信号处理系统的改进与实验
本文针对涡街流量计数字信号处理系统存在的不能测量小流量和易受电磁干扰的问题,对其软硬件方面进行了
改进。重新设计和研制了电荷放大器,提高了灵敏度,增强了适配能力。采取了合理的接地和屏蔽措施,提高了系统的抗干
扰能力。采用去均值和频谱校正的方法,改善了系统的测量精度。编制键盘监控软件,采用状态变量法设计键值分析程序,
实现人机对话功能。进行了液体流量和气体流量的标定实验,结果表明,改进后的数字信号处理系统比常规的流量计信号处
理系统的测量精度高、流程比宽和适配能力强。(Vortex Flowmeter digital signal processing system improvements and experimental
In this paper, vortex flowmeter digital signal processing systems can not exist in measuring small flows and vulnerable to electromagnetic interference problems, its hardware and software aspects of the
Improvement. To re-design and development of the charge amplifier, increasing sensitivity and enhanced adaptive capacity. Adopted a reasonable grounding and shielding measures to improve the system s anti-stem
Interference capability. Used to mean and spectral correction methods to improve the system s measurement accuracy. The preparation of keyboard monitoring software, using state-variable method designed to key analytical procedures,
Functions to achieve human-machine dialogue. Were liquid flow and gas flow calibration experiments, the results show that the improved digital signal processing systems than the conventional flow meter signal at
Management System s high accuracy, process than the w)
- 2010-02-01 08:14:53下载
- 积分:1
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The-Control-Strategy-Inverter
在风力发电网侧逆变器动态数学模型基础上 采用空间矢量脉冲宽度调制 SVPWM 方式和电网电压合成矢量定向 实现了电流有功分量和无功分量的解耦及功率因数的可调控制.(Dynamic mathematical model based on wind power grid-side inverter the resultant vector of the vector mode and the grid voltage space vector pulse width modulation directed to achieve a decoupling of the current active component and reactive component and power factor adjustable control.)
- 2012-04-19 16:09:56下载
- 积分:1
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002_UGS-MES-solution
UGS公司开发MES的解决方案,致力于开发MES系统的朋友可以用来参考(UGS MES manufacturing execution system solution document, a friend of the MESERP system can be used to refer to learning)
- 2015-08-29 09:44:35下载
- 积分:1
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automaticbander
本文致力于研究和开发一种成本低、结构紧凑、操作方便的自动捆扎机。主要工作是根据实际的捆扎工艺,设计了捆扎机的总体结构;然后对捆扎工艺中的关键技术进行了深入研究,设计了机电一体化机构,运用PLC编程来实现控制系统,最终实现捆扎,转动,推箱等动作。本设计为快速方便的实现十字形捆扎提供了一种可靠的装置。( The major work is designing the overall structure of Automatic Strapping Machine according to the actual bind process. Then the key technologies of the labeling are studied, design a mechanism of electromechanical integration, use of PLC programming to achieve control system. Finally, Realize binding, rotating, pushing the carton and other movement. This designed a rapid realization of cross Banding mahchine.)
- 2010-05-26 01:01:00下载
- 积分:1
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McQuay DuctSizer
说明: Pipe Sizer Calculation
- 2020-06-25 20:00:02下载
- 积分:1
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HVAC part 01-By Eng.Ramy Ghoraba
说明: HVAC part 01-By Eng.Ramy Ghoraba
- 2020-06-25 19:40:02下载
- 积分:1
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D_algorithm_2
组合电路测试中的D算法论文2,便于大家习D算法相关的内容!(Combination of circuit testing algorithm D thesis 2, easy to learn U.S. D algorithm relevant content!)
- 2009-04-05 16:20:53下载
- 积分:1
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RF_power_amplifier_in_Digital_pre-distortion_techn
说明: 射频功放数字预失真技术研究及其FPGA实现,文中介绍了数字预失真的实现架构,介绍了QRD_RLS算法实现的相关CORDIC技术,GIVENS旋转,以及systolic阵等原理(RF power amplifier digital pre-distortion technology and its FPGA implementation, this paper describes the realization of digital pre-distortion framework introduced QRD_RLS relevant CORDIC algorithm implementation techniques, GIVENS rotation, and other systolic array principles)
- 2010-03-25 18:37:48下载
- 积分:1
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inventer_8_26
该程序是我硕士毕业论文《单相并网逆变器》源程序,调试成功的。(直流直接逆变为交流的单相全桥逆变拓扑,有离网并网功能,锁相环过零检测再采用PI.)(This program is my master' s thesis, " single-phase grid-connected inverters," the source, debugging success. (DC-AC inverter direct single-phase full-bridge inverter topology, there are off-grid and network functions, PLL zero crossing detection and then using PI.))
- 2015-01-24 17:36:25下载
- 积分:1