Results 31 to 40 of about 66,835 (307)
A novel dual-polarized dual-functional frequency-selective metasurface (FSMS) with low backscattering characteristics is proposed by combining the polarization converter with a bandpass frequency-selective surface (BP-FSS). The FSMS structure consists of
Muhammad Nasir +2 more
doaj +1 more source
Cross-Coupled Line Bandpass Filter Based on Modified Parallel-Coupled Line Structure
This paper presents a study of a narrow bandwidth of the bandpass filter with a cross-coupled line structure. This structure was designed to have a good filter selectivity with the transmission zeros and a simple design.
Fajri Darwis +7 more
doaj +1 more source
A low profile cylindrical cavity dual-band bandpass filter with short-circuited metal pillars
This paper presents a low profile cylindrical cavity quadruple-mode dual-band bandpass filter. Five short-circuited metal pillars are loaded in a cylindrical cavity to change the electric field distributions of the original resonant modes.
Dong-Sheng La +3 more
doaj +1 more source
MASH structures for bandpass sigma-delta modulators
The paper presents simulation results from investigating the behaviour of multistage (MASH) oversampled bandpass sigma-delta (Σ-Δ) modulators for use in analogue to digital converters for high frequency narrowband applications such as the signals out of ...
Morling, R.C.S., Kale, I., Al-Janabi, M.
core +1 more source
Novel Polyimide-Based Conformal Bandpass FSS for X-band RADAR Communications
A linearly polarized wide bandpass frequency selective surface (FSS) for RADAR communication application has been presented. The proposed FSS is constructed in a single layer with a size of 0.25 λ0.
Geethanjali Govindarajan +1 more
doaj +1 more source
Design and Performance of Microstrip Diplexers: A Review
The radiofrequency microstrip diplexers are widely demanded nowadays by modern wireless communication systems. Hence, several types of previously reported microstrip diplexers are reviewed and investigated in this work.
Salah I. Yahya +2 more
doaj +1 more source
Digital frontend design for three-bands aliasing RF signals
In order to solve the problem of three-band bandpass signal aliasing, a delay-adjustable third-order bandpass sampling structure is proposed. By designing a digital anti-aliasing filter, the alias-free reception of three-band bandpass signals can be ...
Wang Hongmei +4 more
doaj +1 more source
Gain Enhancement of a Wide Slot Antenna Using a Second-Order Bandpass Frequency Selective Surface [PDF]
Gain enhancement of a wide slot antenna over a wide frequency band using a low profile, second order bandpass frequency selective surface (FSS) as a superstrate is presented in this paper.
A. Chatterjee, S. K. Parui
doaj
Extended Composite Right/Left-Handed Transmission Line and Dual-Band Reactance Transformation
An extended composite right/left-handed transmission line is introduced, and its dual-band bandpass filter characteristics are explored. Novel reactance transformations, derived from this transmission line, are formulated to transform a low-pass ...
Yuming Zhang, Barry Spielman
doaj +1 more source
Design of Matching Network for Magnetic Field Energy Harvesting in Wide Frequency Range
Magnetic field induction energy harvesting is an effective solution for self-powered sensors in electromagnetic environment. Different from electric field and RF energy of single frequency, the electromagnetic field in power conversion systems contain ...
Qingqing NIE +3 more
doaj +1 more source

