Otto-von-Guericke-Universität Magdeburg

 
 
 
 
 
 
 
 

2007

[1]

A. R. Ali and A. S. Omar

Complexity Reduction for DRM System Using Time Domain Pre-processing

Proc. IEEE Radio and Wireless Symposium, RWS-2007 (Long Beach), 2007, pp. 213-216

[2]

A. K. Bandyopadhyay, A. Jöstingmeier, A. S. Omar, K. Balewski, and R. Wanzenberg

Computation of wakefields and impedances for the PETRA III longitudinal feedback cavity

Proc. Asian Particle Accelerator Conference 2007, APAC07 (Indore, India), 2007

[3]

A. Balalem, J. Machac and A. S. Omar

Quasi-Lumped bandpass filters using Doubly Metalized Lines

Proc. 17th International Conference Radioelectronica (Berno, Czech Republic), 2007

[4]

A. Boutejdar and A. S. Omar

A New Technique to Improve the Stopband of Miniaturized Microstrip Low-Pass Filter by Using a Cross-Head Defected Ground Structure (CDGS)

2007 IEEE Sarnoff Symposium (Princeton), 2007

[5]

A. Boutejdar and A. S. Omar

Size Reduction and Harmonic Suppression of Cascaded Lowpass Filter by Employing Defected Ground Structure (DGS)

2007 IEEE Sarnoff Symposium (Princeton), 2007

[6]

A. Boutejdar, A. Elsherbini and A. S. Omar

Improvement of Passband and Sharpness Factor of Parallel Coupled Microstrip Bandpass Filter Using Discontinuities Correction and DGS Cells

Proc. Mediterranean Microwave Symposium, MMS'2007 (Budapest), 2007, pp. 307-310

[7]

M. Awida, A. Boutejdar, A. Safwat, H. El-Hannawy and A. S. Omar

Multi-Bandpass Filters Using Multi-Armed Split Ring Resontors with Direct Feed

Proc. IEEE MTT-S Symp. (Honolulu), 2007, pp. 913-916

[8]

M. Anis, A. Jöstingmeier and A. S. Omar

Introduction of an effective waveguide width in transmission/reflections methods for dielectric measurements

Proc. IEEE AP-S Symp. (Honolulu), 2007, pp. 281-284

[9]

A. Teggatz, A. Jöstingmeier and A. S. Omar

Application of a dielectric lens for focusing of a GPR

Proc. IEEE AP-S Symp. (Honolulu), 2007, pp. 1461-1464

[10]

A. Boutejdar, A. Elsherbini and A. S. Omar

A novel lowpass filter with ultra-wide stopband and improved Q-factor performance using H-defected ground structure (DGS)

Proc. IEEE AP-S Symp. (Honolulu), 2007, pp. 1545-1548

[11]

A. Boutejdar, A. Elsherbini and A. S. Omar

A new extraction method using triangle defected ground structure for the control of S-parameter response of hi-lo microstrip lowpass filter

Proc. IEEE AP-S Symp. (Honolulu), 2007, pp. 1549-1552

[12]

A. Boutejdar, A. Elsherbini and A. S. Omar

A new numerical method to improve the stopband of compact lowpass filter employing defected ground structure (DGS)

Proc. IEEE AP-S Symp. (Honolulu), 2007, pp. 1553-1556

[13]

A. K. Bandyopadhyay, M. Anis, A. Jöstingmeier, T. Meyer and A. S. Omar

Analysis of a compact ultra-wideband antenna for radio frequency applications

Proc. IEEE AP-S Symp. (Honolulu), 2007, pp. 1965-1968

[14]

A. Balalem, A.R. Ali, J. Machac and A. S. Omar

Quasi-elliptic microstrip lowpass filters using an interdigital DGS slot

IEEE Microwave and Wireless Components Letters, vol. 17, pp. 586-588, 2007

[15]

A. Boutejdar, A. Elsherbini, A. Balalem, J. Machac and A. S. Omar

Design of new DGS hairpin microstrip bandpass filter using coupling matrix method

Proc. PIERS'2007 (Prague), 2007, pp. 261-265

[16]

A. Teggatz, A. Jöstingmeier and A. S. Omar

A versatile 3D field simulation of a GPR setup

Proc. 3rd CST European User Group Meeting (Lake Tegernsee, Germany), 2007

[17]

A. Batmanov, A. Boutejdar, A. S. Omar and E. Burte

New MEMS switch controlledtunable compact coplanar bandpass filter

Proc. 37th European Solid-State Device Research Conference ESSDERC, (Munich, Germany), 2007, pp. 438-441

[18]

A. Boutejdar, A. Elsherbini, O. Luxor, M. Makkey and A. S. Omar

Design of compact stopband extended microstrip lowpass filters by employing different technique of mutual-coupled defected ground structures (DGSs)

Proc. 37th EuMC (Munich), 2007, pp. 71-74

[19]

K. Will, T. Meyer and A. S. Omar

Microwave synthesizer with multiple phase adjustable output

Proc. 37th EuMC (Munich), 2007, pp. 344-347

[20]

K. Will, T. Meyer and A. S. Omar

Phase measurement of microwave devices with amplitude independent ultra-fine resolution

Proc. 37th EuMC (Munich), 2007, pp. 348-351

[21]

A. Boutejdar, A. Elsherbini and A. S. Omar

A new cross-head defected ground structure (CDGS) for a compact lowpass filter with a wide stopband

Proc. 37th EuMC (Munich), 2007, pp. 842-845

[22]

A. R. Ali, T. J. S. Khanzada and A. S. Omar

Adaptive pilot distribution for OFDM-based WLAN systems in doubly dispersive channels

Proc. Wireless Rural and Emergency Communications Conference WRECOM (Rome), 2007

[23]

A. K. Bandyopadhyay, A. Jöstingmeier, A. S. Omar and R. Wanzenberg

Wakes and impedance computations for the PETRA III longitudinal feedback cavity

Internal Report Deutsches Elektronen-Synchrotron, DESY, M 07-02, 2007

[24]

A. Boutejdar, A. Elsherbini, S. Amari and A. S. Omar

A new technique to double the reject-band of a lowpass filter by employing coupled C-open-loop resonators as defected ground structure (DGS)

Proc. APMC (Bangkok), 2007, pp. 1019-1022

[25]

A. Batmanov, N. Spiliotis, A. Boutejdar, A. S. Omar, and E. Burte,

Control of bandwidth and resonant frequency of a new coplanar bandpass filter

Proc. APMC (Bangkok), 2007, pp. 1883-1886

[26]

A. Boutejdar, A. Elsherbini, A. Batmanov and A. S. Omar

A novel technique for controlling transition steepness and suppressing harmonics in DGS filters

Proc. APMC (Bangkok), 2007, pp. 1887-1890

[27]

A. Boutejdar, A. Elsherbini and A. S. Omar

A novel technique to transform a fractal LPF to BPF using a simple combination of defected ground structure and a narrow gap capacitance

Proc. APMC (Bangkok), 2007, pp. 2385-2388

[28]

A. Boutejdar, A. Elsherbini, H. Liu and A. S. Omar

Improvement of microstrip lowpass filters' characteristics using an optimized number of new multi-ring defected ground structures

Microwave and Optical Technology Letters, vol. 49, pp. 3074-3078, 2007

[29]

A. Teggatz, A. Jöstingmeier and A. S. Omar

Investigation of an efficient SAR focusing technique for ground penetrating radar data

ISAST Transactions on Electronics and Signal Processing, vol. 1, pp. 18-23, 2007

Letzte Änderung: 10.07.2012 - Ansprechpartner: Prof. Dr.-Ing. Abbas Omar