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Now showing items 11-20 of 38
Reflection loss performance of hexagonal base pyramid microwave absorber using different agricultural waste material
(Institute of Electrical and Electronics Engineers (IEEE), 2010-11-08)
Hexagonal base pyramid microwave absorber is the new design of microwave absorber. In this work, two sub-shapes are considered to compare it reflection loss performance. The shapes are hexagonal and truncated hexagonal ...
Free space measurement technique on dielectric properties of agricultural residues at microwave frequencies
(Institute of Electrical and Electronics Engineering (IEEE), 2009-11-03)
Principles to determine dielectric properties measurement using microwave free-space transmission measurements technique is presented in this paper. The project's main objective was to measure the dielectric properties of ...
Metamaterial entrenched circular microstrip antenna for Malaysia HAPS
(Institute of Electrical and Electronics Engineers (IEEE), 2010-04-12)
A circularly microstrip antenna (CMSA) with its related geometry intended for 5850-7075
MHz Malaysia HAPS operating band are presented here. Construction are made into
three layers having layer three surface copper ...
Optimized SFCW radar sensor aiming at fall detection in a real room environment
(Institute of Electrical and Electronics Engineers (IEEE), 2013-01)
An optimization of a Stepped-Frequency Continuous Wave (SFCW) radar for contactless fall detection and tag-less localization is presented and discussed. Wideband antennas with different topologies are investigated to solve ...
Microwave wedge absorber design using rice husk - An evaluation on placement variation
(Institute of Electrical and Electronics Engineers (IEEE), 2010-04-12)
Placement variation is one example of parameters
that critically affects the performance of RF absorbers. In this
work, four designed variation patterns - W, X, Y, and Z were
discussed to compare the reflectivity (Sll) ...
Investigation on the CCSRR influences towards CSMA with air gap for HAPS
(Institute of Electrical and Elctronics Engineering (IEEE), 2010)
A circular profile microstrip antenna and its related structural dimensions meant for 5850 -7075 MHz Malaysia HAPS operating band are investigated here. Appearing by three layers and having layer three surface copper ...
Investigation of complementary split ring resonators with dielectric ring
(Institute of Electrical and Electronics of Engineering (IEEE), 2010-11-08)
This paper present development in relation to a wideband antenna comprising a disk antenna and a plurality of circular split ring resonators coupled with a high dielectric ring. Using slotted resonators together with ...
A Bandwidth-improved slotted circular microstrip antenna (CMSA) for High Altitude Platform Stations (HAPS)
(Institute of Electrical and Electronics Engineering (IEEE), 2010-04-12)
An investigative design of a circular microstrip antenna (CMSA) and its related
geometry intended for 5850 - 7075 MHz Malaysia HAPS operating band is presented.
The structure consists of three layers, with the radiator ...
Design and application of a novel dielectric loaded helical antenna to WLAN products
(Institute of Electrical and Electronics Engineering (IEEE), 2009-05-25)
BST dielectric loaded helical antenna designed here was found to be as good to operate on WLAN products. Characteristics of the new dielectric material barium strontium titanate (BST) also known as dielectric resonator had ...
Small rectangular parasitic plane with diamond patch antenna for WLAN application
(Institute of Electrical and Electronics Engineering (IEEE), 2008)
The design and experimental demonstrations of a microstrip patch antenna for broadband WLAN application are presented. The physical parameters of the antenna, including based on a diamond patch, antenna input impedance, ...