Results 41 to 50 of about 27,726 (186)

3D Target Localization by Using Particle Filter with Passive Radar Having one Non-cooperative Transmitter and one Receiver

Journal of Communications Software and Systems, 2021
In a passive radar system, localizing a target in Cartesian space is achieved by using one of the following bistatic geometries: multiple non-cooperative transmitters with one receiver, one non-cooperative transmitter with multiple receivers, or one non ...
Anas Mahmoud Almanofi, Adnan Malki, Ali Kazem   +2 more
doaj   +1 more source

Radar Information Theory for Joint Communication and Parameter Estimation with Passive Targets [PDF]

arXiv, 2021
In this paper, we derive the information theoretic performance bounds on communication data rates and errors in parameter estimation, for a joint radar and communication (JRC) system. We assume that targets are semi-passive, i.e. they use active components for signal reception, and passive components to communicate their own information.
arxiv  

Surveillance of Space using Passive Radar and the Murchison Widefield Array [PDF]

J. E. Palmer et al., "Surveillance of Space using passive radar and the Murchison Widefield Array," 2017 IEEE Radar Conference (RadarConf), Seattle, WA, 2017, pp. 1715-1720, 2019
In this paper we build upon recent work in the radio astronomy community to experimentally demonstrate the viability of passive radar for Space Situational Awareness. Furthermore, we show that the six state parameters of objects in orbit may be measured and used to perform orbit characterisation/estimation.
arxiv   +1 more source

First-order Sea Clutter Modeling and Simulation of High Frequency Passive Radar

Leida xuebao, 2015
High Frequency (HF) passive radar is a typical bistatic radar, and the modeling and simulation of sea clutter in bistatic radar are worth researching for HF passive radar.
Cheng Feng, Zeng Qing-ping, Gong Zi-ping
doaj   +1 more source

Interferometric Passive Radar Imaging with Deep Denoising Priors [PDF]

arXiv, 2022
Passive radar has key advantages over its active counterpart in terms of cost and stealth. In this paper, we address passive radar imaging problem by interferometric inversion using a spectral estimation method with a priori information within a deep learning (DL) framework.
arxiv  

Synchronous Design and Test of Distributed Passive Radar Systems Based on Digital Broadcasting and Television

Leida xuebao, 2017
Digital broadcasting and television are important classes of illuminators of opportunity for passive radars. Distributed and multistatic structure are the development trends for passive radars. Most modern digital broadcasting and television systems work
Wan Xianrong, Sun Xuwang, Yi Jianxin, Lü Min, Rao Yunhua   +4 more
doaj   +1 more source

Improving performance of direction-of-arrival estimation using sparse array in passive radar

Journal of Algorithms & Computational Technology, 2020
A method based on sparse array is applied to direction-of-arrival estimation of passive radar in this paper to increase the number of resolvable sources and improve the direction-of-arrival estimation performance for coprime array.
Geng Chen, Bo Tian, Jian Gong, Cunqian Feng   +3 more
doaj   +1 more source

Performance Tradeoff in a Unified System of Communications and Passive Radar: A Secrecy Capacity Approach [PDF]

, 2018
In a unified system of passive radar and communication systems of joint transmitter platform, information intended for a communication receiver may be eavesdropped by a passive radar receiver (RR), thereby undermining the security of communications system. To minimize this information security risk, in this paper, we propose a unified passive radar and
arxiv   +1 more source

Joint Waveform and Receiver Design for Co-Channel Hybrid Active-Passive Sensing with Timing Uncertainty [PDF]

, 2019
We consider a hybrid active-passive radar system that employs a wireless source as a passive illuminator of opportunity (IO) and a co-channel active radar transmitter operating in the same frequency band to seek spectral efficiency. The hybrid system can take advantage of the strengths of passive radar (e.g., energy efficiency, bi-/multi-static ...
arxiv   +1 more source

Signal Identification and Entrainment for Practical FMCW Radar Spoofing Attacks [PDF]

arXiv, 2023
This paper proposes a method of passively estimating the parameters of frequency-modulated-continuous-wave (FMCW) radar signals with a wide range of structural parameter values and analyzes how a malicious actor could employ such estimates to track and spoof a target radar.
arxiv