Search Results - "Elgamel, Sherif A."

Using EMD-FrFT Filtering to Mitigate Very High Power Interference in Chirp Tracking Radars by Elgamel, Sherif A, Soraghan, John J

“…This letter presents a new signal processing subsystem for conventional monopulse tracking radars that offers an improved solution to the problem of dealing…”
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Mathematical analyses of the GPS receiver interference tolerance and mean time to loss lock by Shaheen, Ehab M., Elgamel, Sherif A.

“…In this paper, novel mathematical expressions are derived for the Global Positioning System (GPS) receiver interference tolerance in the presence of different…”
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Enhanced monopulse radar tracking using filtering in fractional Fourier domain by Elgamel, Sherif A, Soraghan, John J

“…Monopulse radars are used to track a target that appears in the look direction beam width. The distortion produced when additional targets appear in the look…”
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Synthetic Aperture Radar Active Decoy by Elgamel, Sherif A., Abdel-Latif, Mohamed Samir

“…Synthetic aperture radar (SAR) has been widely involved in military reconnaissance and detection of moving targets. SAR active decoy can generate deceptive…”
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Matched Filter Implementation, Complexity, and Gain in Fractional Fourier Domain by Elgamel, Sherif A.

“…The radar matched filter is implemented in fractional Fourier domain (FrFD) and the required processing steps to perform the radar matched filter in FrFD are…”
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FPGA implementation of pulsed noise interference against LFM radar by Samy, Tamer M., Abdel-Latif, Mohamed S., Elgamel, Sherif A., Ahmed, Fathy M.

“…Linear Frequency Modulation Pulse Compression LFM-PC radars have high processing gain make it difficult to be jammed. Classical noise jammer needs a massive…”
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Robust Modulation Classification in the Presence of Realistic Propagation in Rural Environment by Anis, Mark Aziz, Elgamel, Sherif A., Elshafey, Mohamed A., Aboelazm, Mohamed Atta

“…Automatic Modulation Classification (AMC) is crucial for optimizing spectrum resources in contemporary communication systems by determining the modulation type…”
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A new Fractional Fourier Transform based monopulse tracking radar processor by Elgamel, S A, Soraghan, J

“…Conventional monopulse radar processors are used to track a target that appears in the look direction beam width. The distortion produced when additional…”
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EMD thresholding and denoising inspired by wavelet technique by Elgamel, Sherif A.

“…Empirical mode decomposition (EMD) is used as denoising technique to enhance the signal to noise ratio (SNR) for noisy signals. A new EMD denoising algorithm…”
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Performance Enhancement of Convolution Noise Jamming Against SAR by Ammar, Mohamed A., Abdel-Latif, Mohamed S., Elgamel, Sherif A., Azouz, Ahmed

“…This paper introduces a mathematical model and illustration of the convolution noise jamming technique at the SAR sensor after two dimensional matched filter…”
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Performance evaluation of SAR in presence of multiplicative noise jamming by Ammar, Mohamed A., Hassan, Hossameldin A., Abdel-Latif, Mohamed S., Elgamel, Sherif A.

“…Many electronic counter measure (ECM) systems utilize noise jamming signals to degrade the performance of the synthetic aperture radar (SAR) systems. This…”
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C9. Second order cyclostationarity of fractional Fourier transform orthogonal frequency division multiplexing signal by Elgamel, Sherif A., Shaheen, Ehab M., Kamal, Hazem M.

“…Signal cyclostationarity property is used for detection and signal's parameters estimation of the conventional orthogonal frequency division multiplexing…”
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Enhanced monopulse radar tracking using fractional Fourier filtering in the Presence of interference by Elgamel, Sherif A, Soraghan, J J

“…Monopulse radars are used to track a target that appears in the look direction beam width. Significant distortion is produced when manmade high power…”
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Mitigate high power interference noise in chirp radar systems using EMD-FrFT filtering by Elgamel, S. A., Soraghan, J.

“…This paper presents a new signal processing subsystem for conventional monopulse chirp tracking radars that offers an improved solution to the problem of…”
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Target tracking enhancement using a Kalman filter in the presence of interference by Elgamel, S.A., Soraghan, J.

“…In this paper we present a new target tracking enhancement system that uses a Kalman filter in the presence of interference. If the radar (seeker) is affected…”
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