New constructions of nonseparable tight wavelet frames
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DOI: 10.1016/j.laa.2017.08.002
Abstract: Abstract We present two methods for constructing new nonseparable multidimensional tight wavelet frames by combining the ideas of sum of squares representations of nonnegative trigonometric polynomials with the coset sum method of generating nonseparable multidimensional… read more here.
Keywords: tight wavelet; lowpass; coset sum; wavelet ... See more keywords
Compact Lowpass Filter with Ultra-High Figure-of-Merit and Flat Group Delay
Sign Up to like & getrecommendations! Published in 2018 at "IETE Journal of Research"
DOI: 10.1080/03772063.2017.1381046
Abstract: ABSTRACT This paper presents a microstrip lowpass filter with compact size, and ultra-wide stopband. The structure consists of a modified hairpin resonator loaded with tapered cells and the circular patches as the suppressing cell. The… read more here.
Keywords: lowpass; lowpass filter; group delay; flat group ... See more keywords