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3rd order coupled-resonator bandpass filter assisted by Groove Gap-Waveguide technology for 26-GHz radio link diplexer
Published 2025“…Its unit-cells consist of a rectangular metal-pin which is connected to a bottom metal plate and its other side is electromagnetically coupled to a top plate with an air-gap of approximately λ/4 that creates a bandgap, preventing unwanted electromagnetic-wave propagation. …”
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82
Frequency reconfigurable substrate integrated waveguide (SIW) cavity F-shaped slot antenna
Published 2019“…Configurability is accomplished by embeddings PIN diode switches in the 'F' slot. The proposed antenna is equipped for exchanging between working band of 3.172 GHz to 3.606 GHz in four different narrow bands and it underpins the cognitive system for LTE2300, WiMAX and WLAN. …”
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Smart home control system design using internet of things based energy harvesting technology
Published 2024“…The objective of this research is to provide security for homeowners by facilitating fingerprints and PIN (Personal Identification Numbers) in entering the house, then in the event of a power outage, it activates the function of energy harvesting technology. …”
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85
Penghantaran imej mampat dan selamat secara tanpa wayar untuk sistem pengawasan hidupan liar
Published 2018“…Di dalam kajian ini, perisian LabVIEW 2017, perkakasan NI myRIO (penghantar imej) dan komputer (penerima imej) digunakan untuk pembangunan reka bentuk seni bina sistem pemampatan dengan kaedah jelmaan kosinus diskret (DCT), sistem penyulitan dengan kaedah piawaian penyulitan lanjutan (AES) dan penghantaran secara tanpa wayar menggunakan Wi-Fi. …”
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Thesis -
86
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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The synthesis and pharmacology of gamma-aminobutyric acid receptor mimetics
Published 1981“…These studies revealed that the class of GABA agonist, in which the amino groups are incorporated into six-membered rings exhibit an unexpected variety of activities with respect to their ability to inhibit 3H-GABA binding; their affinity for GABA uptake sites and their interaction with the coupled GABA/benzodiazepine sites.…”
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Thesis -
89
The significance of perceptions and cultural engagement in the evolution of a European commercial and soft power diplomacy with the emerging Asian giants
Published 2017“…The focus of my submission is on external perceptions of Europe from the perspectives of the two new great powers in Asia: China and India. It spans over nine years of research. When the work started in 2006, the EU was in deep crisis just a year after the uncertainty that was unleashed by the rejection in France and the Netherlands of the then Constitutional Treaty. …”
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90
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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91
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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Thesis -
92
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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93
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 -
94
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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Thesis -
95
Tetraazamacrocyclic ligands and their copper complexes
Published 1982“…For the 15-membered macrocycle, 18,19,20,21-tetrahydro-17-H-tribenzo(f,j,n)(1,5,9,12)tetraazacyclopentadecine, derivatives bearing different substituents in one of the benzene rings were prepared. For the diimine ligands of this type both cationic and neutral copper(II) complexes were isolated and characterised; (the latter type result from loss of anilino protons on complex formation.) …”
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96
Studies of quinone monooximes derived from dihydroxyphenylalanines
Published 2007“…The tendency of the dihydroxynaphthalenes investigated in this work to undergo only mono-nitrosation might reflect the deactivation of the naphthalene rings by the introduction of the CO and NO groups. …”
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97
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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98
Metamaterial-inspired antenna array for application in microwave breast imaging systems for tumor detection
Published 2020“…The proposed antenna consists of square-shaped concentric-rings which are connected to a central patch through a common feedline. …”
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99
Metamaterial absorbers and reflectors for multiband and wideband applications
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Thesis -
100