Defining Breast Tumor Location Using a Four-Element Wearable Circular UWB MIMO Antenna Array
Applied Sciences, 2023 The objective of this paper is to develop a wearable circular UWB MIMO antenna array, consisting of four elements, that is capable of detecting and locating tumor cells within a heterogeneous breast phantom.
Tamer G. Abouelnaga +3 more
doaj +1 more source
Substrate-Integrated Folded Waveguide Slot Antenna [PDF]
, 2005 In recent years a number of researchers have proposed novel techniques for fabricating rectangular waveguide using microwave integrated circuit techniques.
Sanz-Izquierdo, Benito +4 more
core +1 more source
DEFECTED CONCRETE POST DETECTION THROUGH ANTENNA ARRAY COUPLING EFFECT [PDF]
Journal of Engineering Science and Technology, 2017 In this paper, a proposed defected concrete post detection system is introduced. The proposed system consists of two compact microstrip broad side antenna arrays resonating at 1 GHz with dimensions of 45 cm by 13.2 cm for each antenna array and a weight ...
TAMER G. ABOUELNAGA, KAMEL S. SULTAN
doaj
Performance Comparison of Thin and Thick Film Microstrip Rejection Filters
Active and Passive Electronic Components, 1988 A performance comparison of microstripline circuits using thin and thick film techniques has been studied, in which a Microstrip rejection filter, in the X-band of microwaves, is used as test circuit.
M. M. Mandhare +3 more
doaj +1 more source
Híbrido rat-race miniaturizado para la banda ISM 2,4 GHZ
Tecnura, 2014 This paper presents the design, implementation and evaluation of a miniaturized Rat-race hybrid implemented in substrate CER-60 with microstrip transmission lines in a novel space-filling curve.
Sebastián Rodríguez Páez +2 more
doaj +1 more source
Application of a simplified probe feed impedance formula to the design of a dual frequency patch antenna [PDF]
, 2009 A simplified probe feed input impedance for a rectangular patch antenna based on the Green's function is used to design a dual frequency matched antenna.
Korolkiewicz, Edward +2 more
core +1 more source
Inclusion of Microstrip and Wire Circuits in the FDTD Method [PDF]
2007 Workshop on Computational Electromagnetics in Time-Domain, 2007 With the increasing requirement to analyse structures with great complexity and significant size, existing electromagnetic analysis tools are showing their limitations. For instance, an integrated circuit together with its interconnects and package presents a considerable challenge.
Railton, CJ, Paul, DL
openaire +3 more sources
A Filtering Switch Made by an Improved Coupled Microstrip Line
Applied Sciences, 2023 In this paper, we propose a new filtering switch with excellent working performance made using an optimized coupled microstrip line. Upon analyzing the RF (radio frequency) front-end’s system structure, the switching device was simplified to a diode ...
Xiangsuo Fan +5 more
doaj +1 more source
Tuning of a superconducting microwave resonator at 77 K using an integrated micromachined silicon vertical actuator [PDF]
, 2010 A silicon micromachined actuator is used to tune a high temperature superconducting microwave resonator. The superconducting resonator is only 1.24 mm x 0.66 mm and demonstrates a Q of up to 1078 at 6.3 GHz and at 77 K.
Y Wang +14 more
core +1 more source
Filtenna with Frequency Reconfigurable Operation for Cognitive Radio and Wireless Applications
Micromachines, 2023 A reconfigurable wideband monopole antenna is introduced in this paper for cognitive radio and wireless applications. The reconfigurability was achieved by four varactor diodes embedded in the band pass filter (BPF) structure which was integrated with ...
Mahmoud A. Abdelghany +3 more
doaj +1 more source