LPC1768-Xplorer is a CORTEX-M3 based stamp board for NGX’s mbed-Xpresso Baseboard. The LPC1768 microcontroller has 512KB of internal flash and 64KB RAM. Ethernet MAC, USB Device/Host/OTG interface, 8-channel general purpose DMA controller, 4 UARTs, 2

以下的模拟电路，可在收集光电有用的应用，如光纤网络 系统。本页面总结其显着特点。-The following collection of analog circuits may be useful in electro-optics applications such as optical networking systems. This page summarizes their salient characteristics.

介 绍了在估算的两相旋转坐标系下的永磁同步电机模型，推导出了反电动势方程的扩展形式。针 对凸极永磁同步电机提出了在电动机低速时，利用凸极跟踪法和在高速时利用反电动势相结合来获得转子 转速和转子位置的方法。仿真结果表明两者相结合的估算方法的有效性。-t:A modelo fp ermanentm agnets ynchronousm otor(P MSM)i nt hee stimationt wop haser otating reference frame is introduce