image frequencies meaning in English

像信号频率,镜像频率

Image frequency rejection mixer
镜频抑制混频器
Image frequency rejection ratio
镜频抑制比
Image frequency interference
像频干扰
The automatic fringe distinct technique in white light digit speckle image frequency recognition - digit phase shift method
用于逐点分析的数字相移法
Based on theoretical deductions and data simulations , this dissertation analyzes properties of echo data in time domain , frequency domain and wavelet packet transform ( wpt ) domain . we also analysize properties of complex image data in image domain , image frequency domain and image wavelet packet transform domain . several methods are proposed for jamming suppression in signal domain and image domain respectively
本文在理论推导、数据仿真的基础上,分析了原始回波数据在时域、频域和小波变换域的特征以及复图像数据在图像域、图像频域和图像小波变换域的特征,提出了几种行之有效的信号域和图像域抑制方法。