Malcolm Ng Mou Kehn

Publikationer (26)
Projekt (0)

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

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

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 övrig 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

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

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

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

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

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

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

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

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

2004

Miniaturized hard waveguides for use in multi-frequency arrays

Malcolm Ng Mou Kehn

Licentiatavhandling

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

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

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

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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