Ashraf Uz Zaman
Ashraf Uz Zaman är docent i forskargruppen Antennsystem.
Visar 198 publikationer
High Gain Linearly Polarized 1D Beam Scanning Array Antenna based on Gap Waveguide Technology
A Gap Waveguide-Based D-Band Slot Array Antenna with Interdigital Feed Network
Design of a Gap Waveguide Based Unit Cell for 1-D Beam Scanning Application at W-band
Pattern Distributed Pins in Half-mode Groove Gap Waveguide for Stable Performance and Low Cost
Low-Cost Ball-Pen Gap Waveguide With Nearly Zero Friction for Sliding Movements
Design of a dual-CP gap waveguide fed aperture array antenna
E-Band Low-Loss Reconfigurable Phase Shifters
Gapwaveguide Automotive Imaging Radar Antenna with Launcher in Package Technology
Substrate-Less Vertical Chip-to-Waveguide Transition for W-Band Array Antenna Integration
Applications of Contactless Characteristics of Gap Waveguides in Mechanical Reconfigurability
An Automotive Polarimetric Radar Sensor With Circular Polarization Based on Gapwaveguide Technology
Multilayer Dry Film Photoresist Fabrication of a Robust >100 GHz Gap Waveguide Slot Array Antenna
A Dual-Circularly Polarized Gap Waveguide-Based Linear Array Antenna for 60 GHz-Band
A Millimeter-Wave Six-Port Junction Based on Ridge Gap Waveguide
Using a Conical Horn as Compact Antenna Test Range Feed in Millimetre Bands
An E-band Reconfigurable Phase Shifter Based on Gap Waveguide
A 60 GHz-Band 4x4 Butler Matrix Based on Ridge Gap Waveguide
A Single Layer Dual-Polarization Array Antenna Based on Parallel Plate Gap Waveguide
Micromachined Wideband Ridge Gap Waveguide Power Divider at 220-325 GHz
Monopulse Feeding Network Based on New Gap Waveguide Planar Magic-Tees
A 60 GHz-Band 4×4 Butler Matrix Based on Ridge Gap Waveguide
Design and development of broadband gap waveguide-based 0-dB couplers for Ka-band applications
High Gain and Fixed Broadside radiation at 140GHz Band by a Leaky Wave Slotted Waveguide
A Dual Circularly Polarized Array Antenna for Ka-Band Satellite Communications
Micromachined Ridge Gap Waveguide Transmission Line and Transition at 220-310 GHz
Compact Low-Loss Chip-to-Waveguide and Chip-to-Chip Packaging Concept Using EBG Structures
3D Printed Periodic Structures for RF Packaging of Integrated Array Module at sub-6GHz Band
An unequal power divider based on ridge gap waveguide with an inserted conductor plate
Single Layer Dual Circularly Polarized Antenna Elements for Automotive Radar at 77 GHz
Oil, water, and ice detection on road surfaces with a millimeter-wave radiometer
D-band waveguide-to-microstrip transition implemented in eWLB packaging technology
A V-Band Low Sidelobe Cavity-Backed Slot Array Antenna Based on Gap Waveguide
Ka band microstrip fed slot array antenna with PMC packaging
A Series-fed High-Gain Gap Waveguide Planar Array Antenna Fed by Quasi-TEM Wave
A Compact Double-Layer Groove Gap Waveguide Power Divider with High Isolation
Packaging Technique of Highly Integrated Circuits Based on EBG Structure for +100 GHz Applications
A wideband 3-dB directional coupler in GGW for use in V-Band communication systems
Groove Gap Waveguide Filter Based on Horizontally Polarized Resonators for V-Band Applications
Road Surface Characterization Using a Radiometer at 100 GHz
Nongalvanic Generic Packaging Solution Demonstrated in a Fully Integrated D-Band Receiver
A Method of Reducing Mutual Coupling for a Finite Array
A Simple Asymmetric Orthomode Transducer Based on Groove Gap Waveguide
Planar H-Plane Horn Antenna Based on Groove Gap Waveguide Technology
Two Types of High Gain Slot Array Antennas based on Ridge Gap Waveguide in the D-Band
An Unequal Power Divider Based on Ridge Gap Waveguide
Ultrawide Band Tightly-Coupled Aperture Magneto-Electric Dipole Array over 20 - 40 GHz
5G mmWave Beam Steering Antenna Development and Testing
A Method of Reducing Mutual Coupling Using an Extra Coupling Path
An E-band Compact Frequency Division Duplex Radio Front-end Based on Gap Waveguide Technology
D-Band Slot Array Antenna Using Combined Ridge and Groove Gap Waveguide Feeding Network
Polymer based 140 GHz Planar Gap Waveguide Array Antenna for Line of Sight (LOS) MIMO Backhaul Links
Design of a 38 dBi Slot Array on Gap Waveguide at 140 GHz
8 x 8 Ka-Band Dual-Polarized Array Antenna Based on Gap Waveguide Technology
Wideband Dual-polarized Array Antenna on Dielectric-based Inverted Microstrip Gap Waveguide
A D-Band Center-Feed Linear Slot Array Antenna Based on Gap Waveguide
A V-band branch guide 3-dB Coupler based on gap waveguide for use in antenna array
PCB Based UWB mm-Wave Smart Capped Bowtie Array for 5G Communication Systems
A mmWave Wideband Slot Array Antenna Based on Ridge Gap Waveguide With 30% Bandwidth
A Planar Single-Polarized Ultra-Wideband Antenna Element for Millimeter-Wave Phased Array
Gap waveguide technology for millimeter-wave antenna systems
A wideband high-gain and high-efficiency slot array antenna based on groove gap waveguide
Millimeter wave Microstrip Fed Slot Array Antenna with PMC Packaging for Future 5G Systems
Millimeter wave high gain antenna based on gap waveguide technology
Design of A Wideband Array Antenna Prototype with Gap Waveguide for W-Band Wireless Links
A compact phase shifter in groove gap waveguide for millimeter-wave applications
Bandwidth Investigation on Half-Height Pin in Ridge Gap Waveguide
Design of Wideband Slot Array Antenna by Groove Gap Waveguide in Millimeter Waves
Capacitive-coupled groove gap waveguide filter
140 GHz Planar Gap Waveguide Array Antenna for Line of Sight (LOS) MIMO Backhaul Links
W-Band Low-Profile Monopulse Slot Array Antenna Based on Gap Waveguide Corporate-Feed Network
Towards Integrated Active Antennas for 5G mm-wave Applications at Gapwaves
Gap waveguide based 1-D steerable beam antenna concept for millimeter-wave 5G application
Pick and place assembly technique for fabrication of groove gapwaveguide resonator
A dual-polarized slotted-waveguide antenna based on gap waveguide technology
An E-band Antenna-diplexer Compact Integrated Solution Based on Gap Waveguide Technology
E-band 3-D metal printed wideband planar horn array antenna
Wideband cavity-backed slot subarray with gap waveguide feed-network for D-band applications
Diplexer integration into a Ka-band high-gain gap waveguide corporate-fed slot array antenna
Design of a double layer cavity backed slot array antenna in gap waveguide technology
Ridge gap waveguide slot antenna array with 30% bandwidth for 60-GHz applications
Slot Antenna Array Unit Cell Directly Fed by Inverted Microstrip Gap Waveguide
Millimeter wave wideband high gain antenna based on gap waveguide technology
A Ridge Gap Waveguide fed apperture-coupled microstrip antenna array for 60 GHz applications
Design of 8 × 8 Slot Array Antenna based on Inverted Microstrip Gap Waveguide
A Wideband Contactless and Bondwire-Free MMIC to Waveguide Transition
A GapWaveguide-Fed Wideband Patch Antenna Array for 60-GHz Applications
In memory of Professor Per-Simon Kildal
Micromachined Linear Slot Array Antenna for 100 GHz with 10 dB Gain Using GAP Waveguide Technology
Design of transition from WR-15 to inverted microstrip gap waveguide
Mm-Wave contactless connection for MMIC integration in gap waveguides
A high gain ridge gap waveguide fed slot antenna array for 60 GHz applications
Corporate distribution networks for slot array antenna based on groove gap waveguide technology
Optimizing the numerical port for inverted microstrip gap waveguide in full-wave simulators
Design of a Cavity-backed Slot Array Unit Cell on Inverted Microstrip Gap Waveguide
W-band spatial power combiner and splitter in gap waveguide technology
Different gap waveguide slot array configurations for mmwave fixed beam antenna application
Spatial Power Combining and Splitting in Gap Waveguide Technology
V-Band Groove Gap Waveguide Diplexer
A groove gap Waveguide Iris Filter for V-band Application
Prospective new PMC based gap waveguide shielding for microwave modules
60GHz Slot-Array Antenna Design Based on Gap Waveguide Cavity and Gap Waveguide Feed
MICROMACHINED GAP WAVEGUIDE DEVICES FOR ABOVE 100 GHZ
Micromachined gap waveguide devices for above 100 GHz
Micromachined Groove Gap Waveguides for 100 GHz applications
Study of Q-Factors of Ridge and Groove Gap Waveguide Resonators
Ku band linear slot-array in ridge gapwaveguide technology
Micromachined gap waveguides for 100 GHz applications
Ka-Band Gap Waveguide Coupled-Resonator Filter for Radio Link Diplexer Application
Linear slot array design in ridge gap waveguide technology
Micromachined Ridge Gap Waveguide and Resonator for Millimeter-Wave Applications
Slot antenna in ridge gap waveguide technology
Gap waveguide components for millimeter-wave systems. Couplers, filters, antennas, MMIC packaging
Bed of Springs for Packaging of Microstrip Circuits in the Microwave Frequency Range
Micromachined Ridge Gap Waveguide and Resonator for 220-325 GHz
Investigation of a Microstrip-to-Ridge Gap Waveguide transition by electromagnetic coupling
Design of a coplanar waveguide-to-ridge gap waveguide transition via capacitive coupling
Metamatrial based packaging method for improved isolation of circuit elements in microwave modules
Improved Microstrip Filters Using PMC Packaging by Lid of Nails
Micromachined ridge gap waveguide for sub millimeter and millimeter wave applications
Improving microstrip filters with gap waveguide packaging
New low loss inverted microstrip line using gap waveguide technology for slot antenna applications
Design of Band-Pass Filter Using Gap Waveguide Technology
Design of Micromachined Ridge Gap Waveguides for Millimeter-Wave Applications
Q-factor comparisons between new gap waveguide technology and standard rectangular waveguide
Cryogenic integration of 2-14 GHz Eleven Feed in wideband receiver for VLBI 2010
Design of cryogenic 2-14 GHz Eleven feed for reflector antennas for future radio telescopes
Losses in ridge gap waveguide compared with rectangular waveguide and microstrip lines
Validation of ridge gap waveguide performance using in-house TRL calibration kit
Concept of gap waveguide and measured results for first demonstrator
Packaging of microstrip circuits using gap waveguide approach
Cryogenic 2-14GHz low noise receiver for radio astronomy using Eleven feed
Alternative ridge gap waveguide design using a mushroom-type EBG surface
Parallel plate cavity mode suppression in microstrip circuit packages using a lid of nails
Design of Transition from Coaxial Line to Ridge Gap Waveguide
Dual polarised microstrip patch antenna with high port isolation
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Visar 5 forskningsprojekt
Hardware For Next generation Millimeter Wave Automotive Radar Sensor
Millimeter Wave Massive MIMO Gap Waveguide Antenna Module Design Based on Pick and Place Technique