spatial-frequency filtering

基本解释

The application of optical information processing with rebuilding the frequency spectrum is based on the experiment of Abbe-Poter and spatial filtering.
利用阿贝波特实验装置和空间滤波系统，从改变频谱入手改造一幅光学图像，进行光学信息处理。
On the basis of inspecting common methods in dividing regional gravity field and local gravity field by spatial domain and frequency domain, the authors propose multi-ring median filtering method.
在考察空间域和波数域划分重力区域场与局部场常用方法的基础上，提出了多环带中值滤波法。
Based on Fourier analysis of spatial frequency filtering, the variations in frequency of grating image in the spatial filtering experiment are discussed, in which the input is a grating-like object.
从空间频率滤波的博里叶分析出发，讨论了空间滤波实验中光栅像频率的变化。