Malcolm Ng Mou Kehn

Visar 26 publikationer

2012

Enhancing the efficiency of compact patch antennas composed of split ring resonators by using lumped capacitors

Elena Pucci, Eva Rajo, Malcolm Ng Mou Kehn et al
IEEE Antennas and Wireless Propagation Letters. Vol. 11, p. 1362-1365
Artikel i vetenskaplig tidskrift
2010

Performance of multi-beam reflectors fed by phased array feeds with impedance-matching layers

Malcolm Ng Mou Kehn, Marianna Ivashina, L. Shafai
APSURSI 2010, IEEE Antennas and Propagation Society International Symposium, 11-17 July 2010, Toronto, Canada
Paper i proceeding
2010

On the Increase of the Efficiency and Bandwidth of Compact PIFAs based on SRR by Making Use of Lumped Capacitors

Oscar Quevedo Teruel, Malcolm Ng Mou Kehn, Elena Pucci et al
2010 IEEE International Symposium on Antennas and Propagation, Toronto, July 11-17, 2010
Paper i proceeding
2010

The ridge gap waveguide as a wideband rectangular hard waveguide

Per-Simon Kildal, Malcolm Ng Mou Kehn
EuCAP 2010 Fourth European Conference on Antennas and Propagation, Barcelona, 12-16 April 2010
Paper i proceeding
2010

Reply to Comments on ‘Decoupling efficiency of a wideband Vivaldi focal plane array feeding a reflector antenna’

Marianna Ivashina, Malcolm Ng Mou Kehn, Per-Simon Kildal et al
IEEE Transactions on Antennas and Propagation. Vol. 58 (3), p. 1016-1017
Artikel i övriga tidskrifter
2010

Definition of unifying decoupling efficiency of different array antennas - case study of dense focal plane array feed for parabolic reflector

Malcolm Ng Mou Kehn, M. V. Ivashina, Per-Simon Kildal et al
AEU - International Journal of Electronics and Communications. Vol. 64 (5), p. 403-412
Artikel i vetenskaplig tidskrift
2009

Numerical and experimental studies of split ring resonators loaded on the sidewalls of rectangular waveguides

Oscar Quevedo Teruel, Eva Rajo, Malcolm Ng Mou Kehn
IET Microwaves, Antennas and Propagation. Vol. 3 (8), p. 1262-1270
Artikel i vetenskaplig tidskrift
2009

Decoupling efficiency of a wideband Vivaldi focal plane array feeding a reflector antenna

M. V. Ivashina, Malcolm Ng Mou Kehn, Per-Simon Kildal et al
IEEE Transactions on Antennas and Propagation. Vol. 57 (2), p. 373-382
Artikel i vetenskaplig tidskrift
2008

Parametric Characterization of Parabolic Reflector Antennas Fed by Focal Plane Arrays

Malcolm Ng Mou Kehn, Lotfollah Shafai, Per-Simon Kildal
2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, APSURSI; San Diego, CA; United States; 5 July 2008 through 12 July 2008
Paper i proceeding
2007

Radiation efficiency as a fundamental limitation of wideband dense arrays for multi-beam applications

M. V. Ivashina, Malcolm Ng Mou Kehn, Per-Simon Kildal et al
29th ESA Antenna Workshop on multiple beam and reconfigurable antennas, 18-20 April 2007
Paper i proceeding
2007

On the limitation of dense focal plane array feeds for multi-beam reflector antennas characterized by the radiation efficiency

M. V. Ivashina, Per-Simon Kildal, Malcolm Ng Mou Kehn et al
URSI 2007 North American Radio Science Meeting, Ottawa, Canada, 22-26 July 2007
Paper i proceeding
2007

Optimal number of elements and element spacing of wide-band focal plane arrays for a new generation radio telescope

M. V. Ivashina, Malcolm Ng Mou Kehn, Per-Simon Kildal
The Second European Conference on Antennas and Propagation (EuCAP 2007), Edinburgh, 11 - 16 November 2007
Paper i proceeding
2006

Control of reflection and mutual coupling losses in maximizing efficiency of dense focal plane arrays

Malcolm Ng Mou Kehn, M. V. Ivashina, Per-Simon Kildal et al
First European Conference on Antennas and Propagation (EuCAP), 2006, Nice, France, 6 - 10 November 2006
Paper i proceeding
2005

Moment method computation of miniaturized rectangular hard waveguide with passband and stopband

Malcolm Ng Mou Kehn, Massimo Nannetti, Stefano Maci et al
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 2B, p. 630-633
Artikel i vetenskaplig tidskrift
2005

Transverse strip arrays used as hard surfaces and AMCs in miniaturized quasi-TEM waveguides

Malcolm Ng Mou Kehn, Silvio Hrabar, Sinisa Skokic et al
EPFL LATSIS Symposium 2005
Paper i proceeding
2005

Experimental study of strip dipole FSS-loaded rectangular waveguide

Malcolm Ng Mou Kehn, Silvio Hrabar, Sinisa Skokic et al
IEEE AP-S International Symposium Washington D.C., 3-8 July 2005. Vol. 2B, p. 671-674
Paper i proceeding
2005

Miniaturized rectangular hard waveguides for use in multi-frequency phased arrays

Malcolm Ng Mou Kehn, Per-Simon Kildal
IEEE Transactions on Antennas and Propagation. Vol. 53 (1), p. 100-109
Artikel i vetenskaplig tidskrift
2005

Miniaturized Hard Waveguides in Multifunction Array Antennas

Malcolm Ng Mou Kehn
Doktorsavhandling
2004

Miniaturized dielectric-loaded rectangular waveguides for use in multi-frequency arrays

Malcolm Ng Mou Kehn, Per-Simon Kildal, Sergei Skobelev
IEEE AP-S International Symposium, Monterey, California, June 2004
Paper i proceeding
2004

Miniaturized hard waveguides for use in multi-frequency arrays

Malcolm Ng Mou Kehn
Licentiatavhandling
2004

Miniaturized dielectric-loaded hard rectangular waveguides for use in multi-function array systems

Malcolm Ng Mou Kehn, Per-Simon Kildal
Joint COST 273/284 Workshop, Chalmers University of Technology, Göteborg, Sweden, 7-9 June 2004
Paper i proceeding
2004

A Fast Mode Analysis for Waveguides of Arbitrary Cross Section With Multiple Regions by Using a Spectrum of Two-Dimensional Solutions and Asymptotic Waveform Evaluation

Jian Yang, Ulf Carlberg, Per-Simon Kildal et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 52 (6), p. 1615-1621
Artikel i vetenskaplig tidskrift
2003

Investigation of dielectric-loaded hard-walled rectangular waveguides using a numerical spectral domain technique

Malcolm Ng Mou Kehn, Per-Simon Kildal
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper i proceeding
2003

Study of propagation in compact hard quasi-TEM waveguides for use in multi-frequency antenna arrays

Malcolm Ng Mou Kehn, Per-Simon Kildal
Antenn 03 in Kalmar, May 13-15, 2003
Paper i proceeding
2003

The N-guide: A novel miniaturized hard quasi-TEM waveguide

Malcolm Ng Mou Kehn, Per-Simon Kildal
IEEE AP-S International Symposium, Columbus, Ohio, June 2003
Paper i proceeding
2002

Analyzing propagation characteristics of hard waveguides using FDTD

Malcolm Ng Mou Kehn, Per-Simon Kildal
IEEE AP-S International Symposium, San Antonio, Texas, June 2002
Paper i proceeding

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