Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Muhammad Usman Memon"'
Publikováno v:
Sensors, Vol 20, Iss 17, p 4985 (2020)
Liquid materials’ characterization using commercial probes and radio frequency techniques is expensive and complex. This study proposes a compact and cost-effective radio frequency sensor system to measure the dielectric constant using a three-mate
Externí odkaz:
https://doaj.org/article/1efb85c62e7c4988a481c9dea50527cc
Autor:
Muhammad Usman Memon, Sungjoon Lim
Publikováno v:
Sensors, Vol 15, Iss 11, Pp 28563-28573 (2015)
The proposed structure in this research is constructed on substrate integrated waveguide (SIW) technology and has a mechanism that produces 16 different and distinct resonant frequencies between 2.45 and 3.05 GHz by perturbing a fundamental TE10 mode
Externí odkaz:
https://doaj.org/article/960625ca000540adb831fe6d9e486d10
Publikováno v:
Mehran University Research Journal of Engineering and Technology, Vol 33, Iss 3, Pp 278-285 (2014)
This paper presents a NN (Neural Network) based model for reducing the noise from images. This is a RBF (Radial Basis Function) network which is used to reduce the effect of noise and blurring from the captured images. The proposed network calculates
Externí odkaz:
https://doaj.org/article/77a756c68a9547d2a5d0d445deecdc76
Publikováno v:
Sensors, Vol 18, Iss 3, p 811 (2018)
Microwave resonators working as sensors can detect only a single analyte at a time. To address this issue, a TE20-mode substrate-integrated waveguide (SIW) resonator is exploited, owing to its two distinct regions of high-intensity electric fields, w
Externí odkaz:
https://doaj.org/article/767586d88b0f47ad90df955a62c53c30
Autor:
Muhammad Usman Memon, Sungjoon Lim
Publikováno v:
Sensors, Vol 18, Iss 1, p 143 (2018)
In this study, a high-Q circular substrate-integrated waveguide (SIW) cavity resonator is proposed as a non-contact and non-invasive radio frequency (RF) sensor for chemical sensing applications. The design of the structure utilizes SIW technology al
Externí odkaz:
https://doaj.org/article/e7a3cd84a3e24554baddcc8b4ecab879
Autor:
Muhammad Usman Memon, Sungjoon Lim
Publikováno v:
Sensors, Vol 17, Iss 9, p 2068 (2017)
The significant improvements observed in the field of bulk-production of printed microchip technologies in the past decade have allowed the fabrication of microchip printing on numerous materials including organic and flexible substrates. Printed sen
Externí odkaz:
https://doaj.org/article/b3a432edc27f45b093866f02fd87c1fc
Autor:
Muhammad Usman Memon, Sungjoon Lim
Publikováno v:
Sensors, Vol 17, Iss 1, p 29 (2016)
n/a
Externí odkaz:
https://doaj.org/article/5682810d205e40249bd518e366f48a6b
Autor:
Muhammad Usman Memon, Sungjoon Lim
Publikováno v:
Sensors, Vol 16, Iss 11, p 1829 (2016)
This research proposes a substrate-integrated waveguide (SIW) cavity sensor to detect several chemicals using the millimeter-wave frequency range. The frequency response of the presented SIW sensor is switched by filling a very small quantity of chem
Externí odkaz:
https://doaj.org/article/f0db3b4c4f474dd4a7686a495ca6fc99
Autor:
Muhammad Usman Memon, Sungjoon Lim
Publikováno v:
Metals, Vol 6, Iss 8, p 172 (2016)
Evaluation and non-destructive identification of stress-induced cracks or failures in metals is a vital problem in many sensitive environments, including transportation (steel railway tracks, bridges, car wheels, etc.), power plants (steam generator
Externí odkaz:
https://doaj.org/article/bbe4d40b192543e796aaf39197edfee6
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 69:1344-1352
This paper proposes a metamaterial inspired radio frequency touchpad sensor system based on two split ring resonators (SRRs) realized on a Rogers/Duroid 5870 with 2.33 dielectric constant = 2.33, loss tangent = 0.0012, and thickness = 0.8 mm. The tou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0a69fef15984ef5f0270e86021f3333
https://doi.org/10.1109/tim.2019.2908507
https://doi.org/10.1109/tim.2019.2908507