frequency detection meaning in English

频率检波
频率检测

Weak sinusoidal signal frequency detection via the array of duffing oscillators
杜芬振子阵列实现弱正弦信号频率检测
A study on the vibration frequency detection of the dynamical systems using topology contravariant functor
基于拓扑反变算子动力系统振动频率检测方法的研究
In addition , based on fast fourier transform ( fft ) , an effective and reliable carrier frequency detection method has also been designed in this thesis
此外，论文还设计了一种有效可靠的基于fft的载波频率测量方法。
And some useful rules are concluded from these experiments . the pd signals on different frequency scopes are surveyed , and the thesis explores anti - noise narrowband detection of partial discharge signals . for the first time the thesis brings forward the choosing - frequency detection of pd ground on the radio frequency communication
同时，进行了局部放电不同频段信号检测，为窄带抗干扰检测技术奠定基础，并首次提出基于射频通讯原理的选频检测原理及检测设想；在实验室中进行了局部放电超高频信号的检测，验证了超高频法检测局放信号时对空间电晕干扰的抑制作用。