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Umar Johar
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A signer-independent Arabic Sign Language recognition system using face detection, geometric features, and a Hidden Markov Model
M Mohandes, M Deriche, U Johar, S Ilyas
Computers & Electrical Engineering 38 (2), 422-433, 2012
652012
Transmission line EMF interference with buried pipeline: Essential and cautions
MH Shwehdi, UM Johar
Proceedings of international conference on non-ionizing at UNITEN (ICNIR 2003), 2003
362003
Magnetic fields measurement and evaluation of EHV transmission lines in Saudi Arabia
JM Bakhashwain, MH Shwehdi, UM Johar, AA Al-Naim
Proceedings of the International Conference on Non-ionizing Radiation at …, 2003
212003
Ultra-wideband characterization of obstructed propagation
N Iya, A Muqaibel, U Johar, MA Landolsi
2011 7th International Wireless Communications and Mobile Computing …, 2011
162011
Improved residual weighting for NLOS mitigation in TDOA-based UWB positioning systems
KM Al-Qahtani, AS Al-Ahmari, AH Muqaibel, MA Landolsi, UM Johar
2014 21st International Conference on Telecommunications (ICT), 211-215, 2014
142014
Frequency agile multiple‐input‐multiple‐output antenna design for 5G dynamic spectrum sharing in cognitive radio networks
R Hussain, MU Khan, N Iqbal, E AlMajali, SS Alja'Afreh, U Johar, ...
Microwave and Optical Technology Letters 63 (3), 889-894, 2021
102021
Radiation characteristics of an infinite dielectric-coated axially slotted cylindrical antenna partly embedded in a ground plane
HA Ragheb, UM Johar
IEEE Transactions on Antennas and Propagation 46 (10), 1542-1547, 1998
101998
Ultra wideband wall compensation for through-wall tracking and imaging
NM Iya, AH Muqaibel, UM Johar
2011 IEEE International Conference on Ultra-Wideband (ICUWB), 81-85, 2011
82011
Directional UWB channel simulator
AH Muqaibel, UM Johar
2009 6th Workshop on Positioning, Navigation and Communication, 167-169, 2009
82009
UWB multipath simulator based on TEM horn antenna
AH Muqaibel, UM Johar
The 2nd International Conference on Wireless Broadband and Ultra Wideband …, 2007
72007
Ultra wideband characterization of through-wall propagation using transmission and reflection measurements
AH Muqaibel, NM Iya, UM Johar, MA Landolsi
Arabian Journal for Science and Engineering 38, 901-911, 2013
52013
Wall Compensation for Ultra Wideband Applications.
AH Muqaibel, NM Iya, UM Johar
Radioengineering 21 (2), 2012
32012
An indoors AoA study for mobile phones utilizing frequency reconfigurable MIMO antennas
U Johar, R Hussain, A Muqaibel, W Abu-Saud, MS Sharawi
2015 IEEE Jordan Conference on Applied Electrical Engineering and Computing …, 2015
22015
Experimental Evaluation of UWB Real Time Positioning for Obstructed and NLOS Scenarios
KMAQAHM UM, JMALAS Al-Ahmari
International Conference on Indoor Positioning and Indoor Navigation 28, 31th, 2013
12013
24 GHz active phased array antenna for microwave sensors
SSI Mitu, SM Al-Shahrani, U Johar
7th International Conference on Electronics, Hardware, Wireless and Optical …, 2009
12009
Toward safe grounding to industrial plants Saudi Arabia case study
MH Shwehdi, UM Johar, TR Sheltami
CIRED 2009-20th International Conference and Exhibition on Electricity …, 2009
2009
Development and Implementation of an Electric Circuits On-Line Course.
MM Dawoud, H Al-Jamid, N Tasadduq, A Hussein, U Johar
International Journal of Online Engineering 5 (1), 2009
2009
Isolated arabic sign language recognition
M Mohandes, U Johar, M Deriche, S Ilyas
5th International Conference on Information Technology and Applications …, 2008
2008
Radiation by an axial slot on a dielectric-coated concentric conducting circular cylinder loading a semicircular gap in a ground plane
HA Ragheb, UM Johar
IEEE Antennas and Propagation Society International Symposium. 1995 Digest 1 …, 1995
1995
Radiation by an axial slot on a dielectric-coated concentric conducting circular cylinder loading a semicircular gap in a ground plane
HA Ragheb, UM Johar
IEEE Antennas and Propagation Society International Symposium. 1995 Digest 1 …, 1995
1995
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Articles 1–20