Benha University
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Publications
Prof.
Ashraf
Shawky
Selim
SayedAhmed
Mohra
::
Publications:
Research Fields
image processing
cryptography
Microstrip hybrid Circuits
nondestructive techniques
six port reflectometer, filters
microstrip antennas
PBG-DGS-Metamaterials
Number of publications is 68
Title
1-
Advanced Diagnostic Technique for Alzheimer’s Disease using MRI Top-Ranked Volume and Surface-based Features
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Efficient Image Encryption Based on New Substitution Box Using DNA Coding and Bent Function
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3-
Radar Pulse Compression with Optimized Weighting Window for SAR Receivers
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4-
A Novel Dynamic Mathematical Model Applied in Hash Function Based on DNA Algorithm and Chaotic Maps
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5-
Design and Implementation of Advanced Encryption Standard b
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6-
The key management of direct/external modulation semiconductor laser response systems for relative intensity noise contro
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7-
Duobinary modulation/predistortion techniques effects on high bit rate radio over fiber systems
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8-
High Speed Pulse Generators with Electro-optic modulators based on different bit sequence for the digital fiber optic communication links
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9-
Managing the Interference for Down-Link in LTE Using Fractional Frequency Reuse
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10-
Lowpass Filter with Sharp Roll off Factor Using Open Circuit Stubs and Modified π-Defected Ground Structure
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11-
Enhancing Hierocrypt-3 Performance by Modifying Its S-Box and Modes of Operations
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12-
Neighbor Cell List Optimization based on Game Theory and Location Information for the Handover Process in Dense Fcns
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13-
Compact Triple -Band Microstrip BPF Utilizing Interdigital-Coupled Lines Feeding Structure
14-
Skin Lesion Analysis towards melanoma Detection using Deep Learning Techniques
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15-
Deep Learning Face Detection and Recognition
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16-
Face Recognition using Deep Neural Network Technique
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17-
A Reconfigurable UWB Bandpass Filters with Embedded Multi-Mode Resonators
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18-
Hybrid Method for brain extraction and MRI scan classification
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19-
Compact UWB Power Divider, Analysis and Design
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20-
Ultra-widband Bandpass Filter with Sharp Tuned Notched Band Rejection based on CRLH Transmission Line Unit Cell
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21-
Microwave Dielectric Sensing in Hyperbolically Dispersive Media
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22-
novel compact harmonic-rejected ring resonator based bandpass filter
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23-
Reconfigurable 3/6 dB Novel Branch line coupler
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24-
Compact Cascaded Branch Line Coupler using T-Sections Conversion
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25-
Controllable WLAN Band Rejection of Ultra Wideband Monopole Antenna Using PIN Diodes and Two C-Shaped Conductor
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26-
Controllable Band-Notched UWB Printed Monopole Antenna
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27-
A Novel UWB Vivaldi Antenna Array for Radar Applications
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28-
Electronically switchable lowpass/bandpass Filter with Controlled Bandwidth using Pin Diode- Loaded stubs
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29-
COMPACT DUAL BAND WILKINSON POWER DIVIDER
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30-
Dual Band Branch Line Coupler using T and Π Sections
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31-
A compact ultra wideband bandpass filter using arrow coupled lines with defected ground structure
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32-
A HARMONIC-SUPPRESSED MICROSTRIP ANTENNA USING A METAMATERIAL-INSPIRED COMPACT SHUNT- CAPACITOR LOADED FEEDLINE
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33-
Ultra Wideband Antenna with Controllable Rejection Band
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34-
A Compact Ultra Wideband Bandpass Filter Using Arrow Coupled Lines with Defected Ground Structure
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35-
Applications of Defected Ground Structure for size reduction of hybrid junctions
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36-
A Compact Antenna for Microwave Imaging and Hyperthermia Treatment of Brain Tumor
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37-
Development of Microwave System for Tumor Ablation and Imaging
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38-
Microstrip Lowpass Filter with Wideband Rejection using Opened Circuit Stubs and Z-slots Defected Ground Structures
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39-
Size Reduced Defected Ground Microstrip Directional Coupler
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40-
Quad-Band power divider based on left-handed transmission lines
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41-
A Microstrip Directional Coupler with Tight Coupling and Relatively Wideband using Defected Ground Structure
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42-
Design, Analysis and Related Applications of Shunt Varactor Loaded Reconfigurable Metamaterial Transmission Lines
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43-
HARMONIC SUPPRESSED AND SIZE REDUCED BANDSTOP AND BANDPASS FILTERS
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44-
COUPLED MICROSTRIP LINE BANDPASS FILTER WITH HARMONIC SUPPRESSION USING RIGHT-ANGLE TRIANGLE GROOVES
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45-
COMPACT LOWPASS FILTER WITH SHARP TRANSITION BAND BASED ON DEFECTED GROUND STRUCTURES
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46-
Tunable bandpass filter based on capacitor-loaded metamaterial lines
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47-
Dual Band Wilkinson Power Dividers Using T-Sections
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48-
"Modified Compact H-Shaped Microstrip Antenna for Tuning Multi-Band
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49-
Near-Field Characterization of Reconfigurable Narrowband Antenna in the Proximity of the Human Body
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50-
Dual Band Ring Couplers Using T and П Sections
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51-
SMALL SIZE STEPPED IMPEDANCE LOW PASS FILTERS
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52-
GMR and GMI Based system for Nondestructive evaluation of printed circuit boards
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53-
Development of Metal Inspection System Exploiting Magnetoresistive Sensors
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54-
Investigation of new nondegenerate dual-mode microstrip patch filter
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55-
A novel dual band small size microstrip antenna
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56-
New Compact 3 dB 0 /180omicrostrip coupler configurations
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57-
THE THREE-SECTION MICROSTRIP DIRECTIONAL COUPLER
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58-
SIX-PORT REFLECTOMETER STRUCTURE USING TWO MICROSTRIP THREE–SECTION COUPLERS
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59-
SIX-PORT REFLECTOMETER BASED ON FOUR 0°/180° MICROSTRIP RING COUPLERS
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60-
A small size of 3dB 0/180 Microstrip ring coupler
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61-
Analysis and Design of Small Size Short Circuited Microstrip T-Shaped Antenna
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62-
Field Theory of five Port Annular Microstrip Junction
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63-
Design and performance of Novel shorted small microstrip antenna
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64-
A New small size 3-dB 180° Microstrip Ring couplers
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65-
A New Class of Miniature Quadrature Couplers for MICs and MMICs Applications
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66-
MULTI-BAND OPERATION OF A COMPACT H-SHAPED MICROSTRIP ANTENNA
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67-
A small size 3dB 0/180o microstrip ring coupler
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68-
Six-port Reflectometer Realization Using Two Microstrip Three-Section Couplers
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