local oscillator frequency meaning in English

本机振荡频率

Select installation and then antenna setting , and set respectively the local oscillator frequencies of the high - frequency tuner of 146 , 138ku , 138c band and so on
选择安装里的天线设定，分别设置146 、 138ku及138c波段等等的高频头本振频率。
The phase detecting error caused by local oscillator frequency drift and non - synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time
该方法可以有效的消除因本振信号频率漂移及闸门信号与被测信号的非同步引起的测相误差,同时提高了测量速度。