Marianna Ivashina
Marianna Ivashina är professor och ledare för forskargruppen Antennsystem.
Visar 146 publikationer
Apertif view of the OH megamaser IRAS 10597+5926: OH 18 cm satellite lines in wide-area H i surveys
Multipath Rician Channel Simulation in the Test Zone of a Hybrid OTA Chamber
A New Hybrid Chamber for Generating a Spectrum of Oblique Incident Plane Waves at the DUT
Integrated W-band Photoconductive Switches in SIW Technology
Low-loss K-band Photoconductive Switches in SIW Technology
Numerical analysis of Huygens-like on-chip antennas for mm-wave applications
Power Efficiency and Linearity of Highly Integrated Transmitting Array Antennas
Factory Radio Design of a 5G Network in Offline Mode
Emulating Rician distributed channels in a hybrid chamber for OTA measurements
High power mm-wave spatial power combiner employing on-chip isolation resistors
Design and Simulation of a 28 GHz Plane Wave Generator for NR Measurements
Edge Truncation Effects in a Wide-Scan Phased Array of Connected Bowtie Antenna Elements
Array Configuration Effect on the Spatial Correlation of MU-MIMO Channels in NLoS Environments
A Wideband and Low-Loss Spatial Power Combining Module for mm-Wave High-Power Amplifiers
Antenna Mutual Coupling Effects in Highly Integrated Transmitter Arrays
Sparse Array Topologies for 5G mmWave Base-Stations: A System-Level Study
Repeating fast radio bursts with WSRT/Apertif
Integration of Airborne Early Warning Radar Platforms on Aircraft
Multi-Panel Sparse Base Station Design with Physical Antenna Effects in Massive MU-MIMO
A Directly Matched PA-Integrated K-band Antenna for Efficient mm-Wave High-Power Generation
Characterization and Performance of an Ultra-Wideband Wide-Coverage Multimode MIMO Antenna
Deep Integration Antenna Array: Design Philosophy and Principles
A Wide Coverage S-Band Array with Dual Polarized Connected Bowtie Antenna Elements
Ultra-High-Performance C-and L-Band Radiometer System for Future Spaceborne Ocean Missions
Towards a Generic Model for MU-MIMO Analysis Including Mutual Coupling and Multipath Effects
N-way spatial power combining in SIW for high power generation MMICs-scalability bounds
Joint Design and Co-integration of Antenna-IC Systems
Aperiodic Switched Array for Line-of-Sight MIMO Backhauling
Feed array breadboard for future passive microwave radiometer antennas
Network Model of a 5G MIMO Base Station Antenna in a Downlink Multi-User Scenario
Innovative Multi-Feed-Per-Beam Reflector Antenna for Space-Borne Conical-Scan Radiometers
Efficient Millimeter-Wave High Power Generation with Spatial Power-Combined Feeding Element
Effects of diffraction and feed pattern variation in shaped offset gregorian reflectors
A Ka-Band Active Integrated Antenna for 5G Applications: Initial Design Flow
Per-Antenna Power Distribution of a Zero-Forcing Beamformed ULA in pure LOS MU-MIMO
Ultra-high performance C L-band radiometer system for future spaceborne ocean missions
Network model of a 5G MIMO base station antenna in a downlink multi-user scenario
MIMO Channel Capacity Gains in mm-Wave LOS Systems with Irregular Sparse Array Antennas
Multi-Beam Focal Plane Arrays with Digital Beamforming for High Precision Space-Borne Remote Sensing
Effects of Regular and Aperiodic Array Layout in Multi-User MIMO Applications
Point-to-Point 3 x 3 MIMO Performance Gains with Aperiodic Sparse Arrays in Pure LOS Channels
Low frequency diffraction effects when shaping the offset gregorian reflector system of the SKA
Toward Wide-Band Low-Loss Gap-Waveguide-Integrated Grid Amplifiers
Aperiodic Isophoric Slotted Waveguide Antenna for Point-to-Point Communications at Ka-band
Focal Plane Array Breadboard For Advanced Multiple Beam Radiometer Antennas
Synthesis of circular isophoric sparse arrays by using compressive-sensing
Digital-beamforming array antenna technologies for future ocean-observing satellite missions
Modal-Based Design of a Wideband Quadruple-Ridged Flared Horn Antenna
W-band spatial power combiner and splitter in gap waveguide technology
Capabilities and fundamental limitations of multi-mode antennas in an array environment
Domain-Decomposition Approach to Krylov Subspace Iteration
Spatial Power Combining and Splitting in Gap Waveguide Technology
High-Sensitivity Phased Array Receivers for Radio Astronomy
In memory of Professor Per-Simon Kildal
Reconfigurable aperiodic array synthesis by Compressive Sensing
Irregular Quad-Mode Antenna Array: Field-of-View Comparison with the Swedish LOFAR Station
Quad-Mode Antenna for Wide-Scan Sparse Arrays
Design of a Push-Broom Multi-Beam Radiometer for Future Ocean Observations
An Optimal Beamforming Algorithm for Phased-Array Antennas Used in Multi-Beam Spaceborne Radiometers
On Antenna-Architectures for Sensitive Radiometry to Support Oceanography
Multi-Element Aperiodic Array Synthesis by Compressive Sensing
Efficient Wideband Gain Modeling for Interferometric Imaging Arrays in Radio Astronomy
Conical Quad-Mode Antenna With Integrated Tapered Slot Antennas For Wide-Field Polarimetry
A Compact Dual-Polarized 4-Port Eleven Feed with High Sensitivity for Reflectors over 0.35-1.05 GHz
Design of Maximally Sparse Antenna Arrays in the Presence of Mutual Coupling
Onsala Space Observatory – IVS Technology Development Center Activities during 2013
Modal considerations for synthesizing the tapering profile of a quadruple-ridged flared horn antenna
Mixed Common and Differential Mode Analysis of Active Receiving Antennas
Novel Multi-Beam Radiometers for Accurate Ocean Surveillance
A Quad-Mode Antenna for Accurate Polarimetric Measurements Over an Ultra-Wide Field-of-View
Future spaceborne ocean missions using high sensitivity multiple-beam radiometers
Design of Wideband Quadruple-Ridged Flared Horn Feeds for Future Radio Telescopes
Radiation Pattern Modeling with Characteristic Basis Function Patterns
Characteristic Basis Function Analysis of Large Aperture-Fed Antenna Arrays
Dense focal plane arrays for pushbroom satellite radiometers
Aperiodic Array Antennas for Future Satellite Systems
Novel multi-beam radiometers for accurate ocean surveillance
A Quadraxial Feed for Ultra-Wide Bandwidth Quadruple-Ridged Flared Horn Antennas
Design of an active dual-mode antenna with near hemispherical Field of View coverage
Wide bandwidth integrated 1-4 GHz feed development for VLBI and SKA
Onsala Space Observatory – IVS Technology Development Center
An overview of Beam Modeling Techniques for Future Radio Telescopes
A Plane Wave Approximation in the Computation of Multiscattering Effects in Reflector Systems
A Simple Method for Optimal Antenna Array Thinning Using a Broadside MaxGain Beamformer
Polarimetry With Phased Array Antennas: Theoretical Framework and Definitions
Noise-based antenna terms for active receiving arrays
Analysis of the strut and feed blockage effects in radio telescopes with compact UWB feeds
Development of a detailed system model of the Eleven feed receiver using the CAESAR software
Towards a uniform evaluation of the science quality of SKA technology options: Polarimetrie aspects
Experimental Results for the Sensitivity of a Low Noise Aperture Array Tile for the SKA
Performance of polarimetric beamformers for phased array radio telescopes
An axi-symmetric segmented composite SKA dish design: Performance and production analysis
Guest Editorial for the Special Issue on Antennas for Next Generation Radio Telescopes
An Optimal Beamforming Strategy for Wide-Field Surveys With Phased-Array-Fed Reflector Antennas
Beamforming, calibration, and figures of merit for polarimetric phased array antennas
Element gain drifts as an imaging dynamic range limitation in PAF-based interferometers
Temporal beam pattern stability of a radio astronomy phased array feed
Reducing the complexity of the beam calibration models of phased-array radio telescopes
Performance assessment of bi-scalar beamformers in practical phased array feed systems
THACO: a Test Facility for Characterizing the Noise Performance of Active Antenna Arrays
Performance of multi-beam reflectors fed by phased array feeds with impedance-matching layers
Design of a low-loss low-noise tapered slot phased array feed for reflector antennas
Unified Definitions of Efficiencies and System Noise Temperature for Receiving Antenna Arrays
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Visar 11 forskningsprojekt
SSF Sweden-Taiwan Collaboration Research Framework project ‘Antenna technologies for beyond 5G’
OTA = Over-The-Air Characterization of Active Integrated Antennas for Mobile Systems
OTA = Over-The-Air Characterization of Active Integrated Antennas for Mobile Systems
MyWave - Efficient Millimetre-Wave Communications for mobile users
Sensorintegration på bemannade och autonoma flygfarkoster
Silicon-based Ka-band massive MIMO antenna systems for new telecommunication services (SILIKA)
Millimetervåg-backhaul med över 100 Gbit/s - driva smarta antenner till sin spets
Integrated Antenna Arrays (VINNOVA Competence Center ChaseOn)