• 低频时码 - 引用次数：4

  With the set up of the new time service system of low frequency time-code in our country, it is urgent need to research the method and instrument for field strength measuring of the LF time-code signal.

  随着我国新一代低频时码授时系统的建立,低频时码信号场强测量方法和测量仪器的研究与开发工作已经迫在眉睫。

  参考来源 - 低频时码信号场强测量方法及便携式场强仪的研究与设计

·2,447,543篇论文数据，部分数据来源于NoteExpress