微波波谱分析
microwave spectroscopic analysis
低频频谱分析仪
LF frequency spectrum analyzer
高分辨率低频频谱分析仪
high resolution LF frequency spectrum analyzer
高频频谱分析仪
HF frequency-spectrum analyser
双通道数字式低频频谱分析仪
double-channel digital low-frequency spectrum analyzer
电子微分分析仪
electronic differential analyzer
扫描微波频谱仪
scanning microwave spectrometer
数值积分微分分析机
numerically integrated differential analyzer
NIDA
数字积分微分分析器
NIDA Numerically Integrated Differential Analyzer
数字微分分析仪
alinco assembled
digital differential analyzer
微波脉冲频谱分析仪
microwave pulse spectrum analyzer
毫米波频谱分析器
millimeter-wave spectrum analyzer
回波频谱分析
frequency spectra analysis