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Substrate integrated waveguide cavity backed frequency reconfigurable antenna for cognitive radio applies to internet of things applications
Published 2019“…Reconfiguration of frequency bands is achieved using PIN diodes. The antenna resonated at 2.624, 2.664, 2.720, 2.752, 4.304, 4.532, 4.556, 5.236, 5.304, 5.368, 5.332, and 5.392 GHz. …”
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162
Electronically reconfigurable and conformal triband antenna for wireless communications systems and portable devices
Published 2022“…This is achieved by connecting two open-ended stubs to a modified triangular patch radiator using PIN diodes. The antenna’s performance was optimized using a 3D electromagnetic solver and its performance was verified through measurements. …”
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163
The investigation of soil dielectric influence towards terrestrial background radiation
Published 2018“…The soil species identified were Kranji, Linau-Sedu, Selangor-Kangkong, Peat, Telemong-Akob, Holyrood-Lunas, Batu Anam-Melaka-Tavy, Rengam-Jerangau, Kulai–Yong Peng and Steepland soils. All the samples were dried, grinded and sieve into fine powder for the elemental compositions and dielectric properties measurement. …”
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164
A Novel MIMO antenna integrated with a solar panel and employing AI-equalization for 5G wireless communication networks
Published 2024“…We demonstrate that the directivity of this antenna array can be precisely electronically reconfigured using PIN diode switches. Additionally, we show the feasibility of integrating solar panels with the proposed MIMO antenna array. …”
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165
Design of microstrip ultra wide band antenna with two notch filters for wireless communication
Published 2015“…In order to add reconfigurable characteristics to the patch antenna, two copper strips are putted on the slots to represent the ON and OFF switching status of an ideal Pin diode. By using this simple switching technique, the current distribution of the patch changes and enables the antenna to have four modes of operation. …”
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Thesis -
166
Theoretical analysis of photoparametric amplifier
Published 2010“…The second method is to use Optiwave software in implement is the photo parametric amplifier circuit. Photo diode PIN type has been used to detect any coming signal at the receiver circuit. …”
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167
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Development of a driver information system based on onboard diagnostic II communication protocol
Published 2007“…They are personal digital assistant Dyno/OBD-II scan tool, CarChip Fleet, DriveRight 600, and ScanGauge II. …”
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169
The effects of PO43- removal from aqueous solution with varied concentrations of metal oxides in steel slag filter system
Published 2018“…The samples of steel slag from 12 filters that has been run for three months for each set were semi-quantitatively analysed using scanning electron microscope-energy dispersive X-ray (SEM-EDX) to identify the adsorption of phosphate ion on the surface of the steel slag. …”
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170
Effects of deposition time and counter-electrode size on the fabrication of lscf-sdc carbonate composite cathode for sofc
Published 2018“…Microstructural characterization and film thickness measurement were performed using a scanning electron microscope (SEM). The 50 × 50 mm2 counter electrode was found to produce a cathode composite film with higher thickness. …”
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171
ADAPTASI WEB TEKNOLOGI DALAM PENGAJARAN & PEMBELAJARAN
Published 2023“…Aktiviti khidmat masyarakat berkaitan adaptasi teknologi web di Sekolah Kebangsaan Sri Rengit telah dianjurkan secara bersama diantara Fakulti Sains Komputer dan Teknologi Maklumat UTHM, Pusat Pembelajaran Berterusan, dan APEL UTHM. …”
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172
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Kajian kesesuaian cd rom interaktif yang dibina bagi menghasilkan bahan pengajaran teknik dan vokasional
Published 2002“…Kemajuan dalam bidang sains dan teknologi masa kini telah banyak membawa perubahan dalam aktiviti manusia seharian terutamanya dalam proses pengajaran dan pembelajaran. …”
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174
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177
A comprehensive survey on ‘‘various decoupling mechanisms with focus on metamaterial and metasurface principles applicable to SAR and MIMO antenna systems’’
Published 2020“…Such techniques include the use of defected ground structure (DGS), parasitic or slot element, dielectric resonator antenna (DRA), complementary split-ring resonators (CSRR), decoupling networks, P.I.N or varactor diodes, electromagnetic bandgap (EBG) structures, etc. …”
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