Compact high‐selectivity tunable dual‐mode filter with constant bandwidth by adopting frequency‐dependent S‐L coupling
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32031
Abstract: A compact high‐selectivity tunable dual‐mode microstrip bandpass filter (BPF) with constant bandwidth is proposed in this letter. Three self‐adaptive transmission zeros (TZs) are generated due to the frequency‐dependent source‐load (S‐L) coupling and intrinsic characteristic of… read more here.
Keywords: selectivity tunable; bandwidth; high selectivity; mode ... See more keywords
New low-loss tunable microstrip band-pass filter with two transmission zeros
Sign Up to like & getrecommendations! Published in 2019 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-018-1330-2
Abstract: In this paper, a low-loss tunable microstrip band-pass filter with two transmission zeros (TZs) around the pass-band edge is proposed. Making use of exactly same structure, three different fractional-bandwidth variations (i.e. constant fractional bandwidth, decreasing… read more here.
Keywords: fractional bandwidth; loss; band; filter ... See more keywords
Ultra-wide band dispersionless slow light waveguides
Sign Up to like & getrecommendations! Published in 2017 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-017-1267-1
Abstract: In conventional slow light waveguide, the delay time of signal in a waveguide is inversely proportional to its bandwidth. As a measure of storage density of optical pulse, the delay-bandwidth product is limited to a… read more here.
Keywords: slow light; band; delay; dispersionless slow ... See more keywords
Determination of optimum kernel bandwidth for northern Marmara region, Turkey
Sign Up to like & getrecommendations! Published in 2018 at "Acta Geophysica"
DOI: 10.1007/s11600-018-0170-x
Abstract: As a relatively recent development, spatial smoothing methods have been introduced to identify seismic patterns. Among the methods developed to model the spatial variation, methods based on utilization of 3-D Gaussian isotropic kernels have a… read more here.
Keywords: kernel bandwidth; bandwidth; optimum kernel; determination optimum ... See more keywords
Synthesis of broad microwave absorption bandwidth Zr4+-Ni2+ ions gradient-substituted barium ferrite
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.07.062
Abstract: Abstract In this study, to effectively broaden the absorption bandwidth of M-type barium ferrite (BaM) in frequency range 2–18 GHz, Zr4+-Ni2+ ions gradient-substituted BaM samples were synthesized via secondary heating the mixtures of homogeneous-substituted Ba(ZrNi)0.6Fe10.8O19 and… read more here.
Keywords: zr4 ni2; barium ferrite; absorption bandwidth; gradient substituted ... See more keywords
Easily extendable four port MIMO antenna with improved isolation and wide bandwidth for THz applications
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.167910
Abstract: ABSTRACT In this paper, a four port MIMO antenna with improved isolation and wide bandwidth is proposed for THz applications. Evolution of the antenna configuration is taking placed by the development of single circular monopole… read more here.
Keywords: mimo; thz; antenna; isolation ... See more keywords
Achievement of unidirectional air waveguide with extra-broad operation bandwidth in magneto-optical photonic crystals with a triangle lattice
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2019.165921
Abstract: Abstract We have presented a coupling structure of two-dimensional (2D) magneto-optical photonic crystals (MOPCs) with a triangular lattice. The numerical calculation of photonic band structure is performed based on the finite element method. The result… read more here.
Keywords: triangle lattice; optical photonic; magneto optical; photonic crystals ... See more keywords
Microwave absorption coating based on assemblies of magnetic nanoparticles for enhancing absorption bandwidth and durability
Sign Up to like & getrecommendations! Published in 2020 at "Progress in Organic Coatings"
DOI: 10.1016/j.porgcoat.2020.105538
Abstract: Abstract A new class microwave absorption coating based on assemblies of core-shell magnetic nanoparticles was facile preparation to improve absorption bandwidth and durability. The microwave absorption coating with a thickness of ca.1.5mm exhibited a wide… read more here.
Keywords: absorption; magnetic nanoparticles; microwave absorption; durability ... See more keywords
A bandwidth-enhanced polarization division multiplexed intensity modulation-direct detection system utilizing a dual polarization-DPMZM
Sign Up to like & getrecommendations! Published in 2019 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2019.102042
Abstract: Abstract A novel bandwidth-enhanced polarization division multiplexed intensity modulation-direct detection (IM-DD) short reach fiber optical communication system is proposed and experimentally demonstrated by utilizing a dual polarization-dual parallel Mach Zehnder modulator (DP-DPMZM). By adjusting bias… read more here.
Keywords: system; polarization; dpmzm; direct detection ... See more keywords
Ultra-wide-bandwidth (UWB) microstrip monopole antenna using split ring resonator (SRR) structure
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078717001131
Abstract: This paper presents a procedure to model an ultra wide-bandwidth (UWB) microstrip monopole antenna. The proposed antenna is composed of three different lengths of semi-circular shapes connected with circular disk and half circular modified ground… read more here.
Keywords: ultra wide; wide bandwidth; antenna; bandwidth uwb ... See more keywords
A bi-directional dual-bandwidth microwave absorber for applications in X and Ku bands
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078719000618
Abstract: Abstract This paper presents a microwave absorber with dual absorption bandwidth response based upon the direction of electromagnetic wave incident on the surface. The design unit cell comprises a staircase shape metallic patch on the… read more here.
Keywords: bandwidth; directional dual; applications bands; microwave absorber ... See more keywords