| |||
spatial frequency filter | |||
space-frequency filter | |||
filter of spatial frequencies | |||
lens-pinhole arrangement (включающий две линзы и точечную диафрагму) | |||
spatial filter |
фильтр пространственных частот : 9 phrases in 3 subjects |
Electronics | 4 |
Mass media | 3 |
Nanotechnology | 2 |