参考频率 meaning in English

frequency reference
reference frequency

According to the proposal , two millimeter - wave phase locked sources are locked on a crystal oscillator . the one of the phase locked source is used for steady carrier wave in transmitter , the other is used for local oscillator . through the proposal , coherent transceiver front - end is achieved
本方案采用同一晶振源为收发两个毫米波锁相源作参考频率,其中的一个锁相源用于产生高稳定的发射载波频率,另一个用于产生高稳定的本振信号,从而实现收发的相参性。
Then this paper deals with the design and realization of the smart - antenna receiver system architecture . and the receiver is divided into four modules , including rf front - end module | , if demodulation module , analog to digital conversion module and frequency synthesis module
随后在此基础上，对应用于w - cdma系统智能天线接收机进行了系统设计分析，并给出了实现方案，主要包括射频前端电路模块、中频解调电路模块，参考频率合成电路模块和数模、模数转换电路模块四部分的设计与实现。