摘要
军用移动电站电磁干扰严重,为提高军用移动电站测速设备的抗干扰能力和高效机动需求,提出了将转速传感器采集的的脉冲信号频率先转换成直流电压再通过A/D转换器转换成数字信号并显示的设计思想,提高了测速系统的抗干扰能力;将USB总线技术应用于测速系统,以其方便快捷、即插即用、高性能、热插拔等优良性能满足测速设备的快速机动需求。
There are many periodic disturbances of the electromagnetic field in military mobile power station. In order to decrease of the disturbances and to improve the flexibility and high efficiency of speed test equipment, an idea of conver-ring the frequency of the pulse signals collected by speed sensor into volts d. c. first, and then converting the voltage into digital signals which are shown in PC is arisen. With the design idea, the disturbance of noise is decreased greatly. Because of the benefits of USB, such as ease of use, plug and play and high performance, introducing the USB bus tech- nique into circuit design is of much help to the flexibility and high efficiency of military mobile power station.
出处
《国外电子测量技术》
2010年第11期54-56,59,共4页
Foreign Electronic Measurement Technology
