directional filter การใช้

• 1980-Bi-directional filter system for amplifying signals in separate frequency bands
• I note that the material on directional filters is the very last section in the article before the glossary.
• He introduced the so-called vector directional filter family, which operates along the direction of the color vectors.
• Your suggestion would not resolve Catslash's issue concerning directional filters, which is not really appropriate to put under general principles.
• And directional filter bank ( DFB ) is only fit for high frequency since it will leak the low frequency of signals in its directional subbands.
• Circuit blocks which have more than two ports include directional couplers, power splitters, circulators, diplexers, duplexers, multiplexers, hybrids and directional filters.
• You might also get the kind of directional filter they use at banks so that a player can't see anything unless they are directly in front of the screen.
• This double filter bank structure of combination of LP and DFB is also called as pyramid directional filter bank ( PDFB ), and this transform is approximate the original image by using basic contour, so it is also called discrete contourlet transform.