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尽量朝“单片”方向设计硬件系统。系统器件越多，器件之间相互干扰也越强，功耗也增大，也不可避免地降低了系统的稳定性。随着单片机片内集成的功能越来越强，真正的片上系统SoC已经可以实现，如ST公司新近推出的μPSD32××系列产品在一块芯片上集成了80C32核、大容量FLASH存储器、SRAM、A/D、I/O、两个串口、看门狗、上电复位电路等等。 -North Korea as the "single-chip" design direction of the hardware
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TC35 TC35I MC35 I 开发板的电路图与封装库，该开发板是成熟的开发板，电源系统稳定，减少了GSM模块掉线的几率-TC35 TC35I MC35 MC35I development board schematic and footprint library, the development board is a mature development board, power system stability, reducing the chance of dropped GSM mo
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万年历程序 本系统采用了以广泛使用的单片机技术为核心,软硬件结合,使硬件部分大为简化,提高了系统稳定性,并采用LED显示电路、键盘电路,使人机交互简便易行,此外结合音乐闹铃电路、看门狗和供电电路-Calendar program used the system widely used in single-chip technology as the core, software and hardware combination, so that greatly simplified hardwa
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介绍一种具有短信息无线通讯功能的低功耗嵌入式多参数监护仪，基于ARM7核的32位低功耗微处理器作为系统控制核心，采用源码公开的嵌入式操作系统IxC／OS—II，通过低功耗的16位单片机MSP430完成数据采集，可实现心电、血氧、血压、体温信号的实时监测。系统采用西门子MC35i无线传输模块，实现生理参数以SMS方式无线传输，具有轻便节能、安全稳定等优点-Introduce a short message wireless communication function of low-power e
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The MINI2440 is an effecient ARM9 development board with a comprehensive price, it characterizes simple method and high performance-price ratio. Based on the Samsung S3C2440 microprocessor, it embodies professional stable CPU core power source chip a
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power system stability
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本文对风电场—无穷大系统进行了简单的仿真分析，主要包括小干扰稳定分析，风电场的并网、负荷扰动以及联络线故障时的暂态分析。然后以达里风电场所在系统为例，在稳态分析和暂态分析的基础上计算风电场允许接入最大容量。
-In this paper, Wind Farm- infinite simple system simulation analysis, including small signal stability analysis, wind farm and the net tie-line
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本设计为一种温控风扇系统，具有灵敏的温度感测和显示功能，系统AT89C5 单片机作为控制平台对风扇转速进行控制。可由用户设置高、低温度值，测得温度值在高低温度之间时打开风扇弱风档，当温度升高超过所设定的温度时自动切换到大风档，当温度小于所设定的温度时自动关闭风扇，控制状态随外界温度而定。所设高低温值保存在温度传感器DS18B20内部E2ROM中，掉电后仍然能保存上次设定值，性能稳定,控制准确。-The design as a temperature-controlled fan system,
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电力系统稳定性-电磁暂态Power system stability - Electromagnetic Transient-Power system stability- Electromagnetic Transient Power system stability- Electromagnetic Transient
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电力系统稳定性 G Load的模型Power system stability model G Load-Power system stability model G Load Power system stability model G Load
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双馈电机变速恒频发电原理
通过对风力机转速的控制，可以实现最大功率点跟踪，尽量多地吸收风能；而调节无功功率可以控制向电网输出的功率因数，也可提高风电机组及电网系统的动、静态运行稳定性-VSCF doubly-fed electrical power through the principle of wind turbine speed control, maximum power point tracking can be achieved as much as possible to a
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Improved UPFC Control to Enhance Power System Stability
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Large number of wind turbines are being installed
and connected to power systems. The penetration level of wind
power is continuously increasing in some networks, the
significant high penetration may affect the power system security
if the wi
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电力系统中要求电压稳定度和无功功率满足一定的技术指标，利用带独立直流电源的级
联式多电平逆变器和多电平逆变器最优化谐波台阶式调制技术(OHSW)设计的STATCOM装置，
可以使电力系统中的电压得到稳定以及无功功率和谐波得到有效补偿。本文主要介绍了STAT-
COM装置主电路的设计，主电路是STATCOM装置与系统进行交换有功功率与无功功率的环节。
该装置具有输出谐波含量低、损耗小、性能可靠等优点。-Requirements of power system voltage sta
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North of Norway has extremely good conditions for wind power generation. As the existing main
grid will not be able to integrate all the wind parks, the alternative to build a new corridor with
multi-terminal HVDC Light North of Norway to Middle
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基于STM32F4的四轴航拍平台。以STM32F407为控制核心，四轴飞行器为载体，辅以云台的航拍系统。硬件上由飞控电路，电源管理，通信模块，动力系统，机架，云台伺服系统组成。算法上采用简洁稳定的四元数加互补滤波作为姿态解算算法，PID作为控制器，实现飞行，云台增稳等功能(Four axis aerial platform based on STM32F4. Taking STM32F407 as the control core, the four axis flying vehicle as
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Power System Transient Stability Program, can be transient stability, Rapid expansion of random spanning tree algorithm, FMCW frequency modulated continuous wave radar range and angular measurements.
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Filtering summation way broadband beamforming, Power System Transient Stability Program, can be transient stability, Monte Carlo simulation method of calculating the American option price and basic descr iption.
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A relatively before correction and after correction PMUSIC, Some adaptive signal processing algorithms, Power System Transient Stability Program, can be transient stability.
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Target can be extracted in a picture you want, Power System Transient Stability Program, can be transient stability, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.
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