频率分析仪 meaning in English

frequency analyser
frequency analyzer

Eeg frequency analyzer
脑电图频率分析仪
In this time , as a result of major development in computer technologies and fast fourier transform wider application , many frequency analyzer based on digital signal processing theory and multi - function signal analysis software occurred . which greatly strengthened analysis function to engineer vibration signal ' s time field and frequency field
在这一时期，由于计算机的快速发展以及快速傅立叶变换的普遍应用，各种基于数字信号处理原理的频率分析仪以及多功能信号分析软件出现，从而大大加强了对工程振动信号的时域及频域分析功能。