Both an RF power analyzer and a spectrum analyzer are essentially specialized superheterodyne receivers.
功率分析仪和频谱分析仪都本质上都是超外差接收机。

Application of superheterodyne FM reception in measurement of blade tip clearance
超外差调频接收技术在叶尖间隙测量中的应用

It is a misconception to think many stages in the superheterodyne chain are a plus, it is not.
这是一个误解认为在超外差式需要多次变频, 其实不是。

single conversion superheterodyne
一次变频超外差接收机

superheterodyne detection.
超外差检波

double superheterodyne.
双超外差式

double superheterodyne system
双超外差式系统

double superheterodyne reception
双变频超外差接收

double superheterodyne receiver
双变频超外差接收机

superheterodyne FM reception
超外差调频接收

Analysis on the reason of the frequent malfunction in input parts of the superhet measuring instrument
超外差式测量仪器输入端常见故障分析

And the superheterodyne scheme was carried out network research and application.
并针对超外差方案进行了组网的研究与应用。

single singal superhet.
单信号超外差

superhet measurement instrttment
超外差式测量设备

superheterodyne system.
超外差体制

superheterodyne type.
超外差式型

superheterodyne optics.
超外差光学

optical superheterodynereceiver
超外差光接收器