Results 91 to 100 of about 14,406 (302)
Photonic based Radar: Characterization of 1x4 Mach-Zehnder Demultiplexer
, 2012 This work is based on a research activity which aims to implement an optical transceiver for a photonic-assisted fully–digital radar system based on optic miniaturized optical devices both for the optical generation of the radiofrequency (RF) signal and ...
SHAHZAD, UMAR
core
Results of Dual-Polarimetric Airborne Passive Radar
Polarimetry in remote sensing applications has emerged as a valuable technique for enhancing the information content of Synthetic Aperture Radar (SAR) images. Passive radar exploits existing illuminators of opportunity, e.g.
Markiton, Philipp M., Cristallini, Diego
core +1 more source
A General and Efficient Framework for the Rapid Design of Miniaturized, Wideband, and High‐Bit RIS
Advanced Electronic Materials, EarlyView.A general and efficient framework is proposed for the rapid design of high‐performance reconfigurable intelligent surfaces (RISs). This framework integrates advanced antenna design techniques and incorporates various load types, quantities, and values to achieve the design of high‐performance RISs.
Jun Wei Zhang +14 more
wiley +1 more source
94 GHz Monolithic Transmitter for Weather Radar Application [PDF]
, 2011 This thesis was written for concluding my studies at the University of Padua. The main topic is the design of a monolithic transmitter in SiGe bipolar technology, for weather radar application at an operating frequency around 94GHz.
Puliero , Claudio
core
Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective
Advanced Electronic Materials, EarlyView.Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe +4 more
wiley +1 more source
Cooperative Fusion Based Passive Multistatic Radar Detection
, 2021 Passive multistatic radars have gained a lot of interest in recent years as they offer many benefits contrary to conventional radars. Here in this research, our aim is detection of target in a passive multistatic radar system.
Sithamparanathan Kandeepan, Asma Asif
core +1 more source
Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems
Advanced Electronic Materials, EarlyView.Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang +9 more
wiley +1 more source
Remote Sensing, 2018 Current methods for retrieving SWE (snow water equivalent) from space rely on passive microwave sensors. Observations are limited by poor spatial resolution, ambiguities related to separation of snow microstructural properties from the total snow mass ...
Juha Lemmetyinen +9 more
doaj +1 more source
Preliminary experimental results of STAP for passive radar on a moving platform
, 2022 S.589-592The detection of moving targets using a passive radar is a topic of current research. Although in simulations the feasibility of STAP for passive radar on moving receivers was proven, the evaluation of real data acquired with a moving passive ...
Cristallini, D. +2 more
core +1 more source
Emerging Memory and Device Technologies for Hardware‐Accelerated Model Training and Inference
Advanced Electronic Materials, EarlyView.This review investigates the suitability of various emerging memory technologies as compute‐in‐memory hardware for artificial intelligence (AI) applications. Distinct requirements for training‐ and inference‐centric computing are discussed, spanning device physics, materials, and system integration.
Yoonho Cho +6 more
wiley +1 more source