Results 21 to 30 of about 243 (134)

General space-time clutter model for multi-channel airborne radar

open access: yesThe Journal of Engineering, 2019
Ground clutter of looking-down airborne radar is spread in Doppler because of the platform motion, and thus the interested moving targets may be masked by the ground clutter.
Li Xinzhe   +3 more
doaj   +1 more source

Beamspace Unitary ESPRIT Algorithm for Angle Estimation in Bistatic MIMO Radar

open access: yesInternational Journal of Antennas and Propagation, 2015
The beamspace unitary ESPRIT (B-UESPRIT) algorithm for estimating the joint direction of arrival (DOA) and the direction of departure (DOD) in bistatic multiple-input multiple-output (MIMO) radar is proposed. The conjugate centrosymmetrized DFT matrix is
Dang Xiaofang   +3 more
doaj   +1 more source

Direction Finding for Bistatic MIMO Radar with Uniform Circular Array

open access: yesInternational Journal of Antennas and Propagation, 2013
A method of direction of arrival (DOA) and direction of departure (DOD) angle estimation based on polynomial rooting for bistatic multiple-input multiple-output (MIMO) radar with uniform circular array (UCA) configuration is proposed in this paper.
Cao Yunhe   +3 more
doaj   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

open access: yesAdvanced Materials Technologies, Volume 11, Issue 13, 8 July 2026.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane   +4 more
wiley   +1 more source

Unified Downlink‐Uplink Waveform Optimization For MIMO‐OFDM Integrated Sensing and Communication

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
This paper presents a unified waveform allocation framework for downlink and uplink MIMO‐OFDM integrated sensing and communication (ISAC) systems in 6G networks. We develop five optimization schemes, including optimal‐for‐communication, optimal‐for‐sensing, and MMSE‐based joint allocation, with closed‐form expressions for spectral efficiency, sensing ...
Gujjula Ramya   +2 more
wiley   +1 more source

Experimental Study of Coherent Collaborative Processing Method in Distributed Automotive Radar

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника
Introduction. Intelligent driver assistance systems are increasingly employing radar systems to detect, resolve, and track various classes of targets. The use of MIMO-based distributed systems allow the characteristics of object resolution by angle to be
A. A. Kuzin   +4 more
doaj   +1 more source

Joint DOD and DOA Estimation for Coherently Distributed Sources in Bistatic MIMO Radar Based on Joint Diagonalization

open access: yesIEEE Access, 2019
In this paper, an efficient method via unitary joint diagonalization is proposed to deal with the coherently distributed sources in bistatic multiple-input multiple-output (MIMO) radar systems.
Qianpeng Xie   +3 more
doaj   +1 more source

Range‐Free Localisation for Monostatic Passive Radar Employing Multi‐Narrowband Illuminators

open access: yesIET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
Range‐free localisation is considered for monostatic passive radar with multiple narrowband illuminators under unreliable time‐delay (range) measurements. Doppler/DOA (and optional Doppler‐rate) are fused in an ML framework, where velocity is iteratively updated to reduce the original 6‐D optimisation to a 3‐D position search.
Chenggeng Zhao   +4 more
wiley   +1 more source

Low Complexity Direction and Doppler Frequency Estimation for Bistatic MIMO Radar in Spatial Colored Noise

open access: yesInternational Journal of Antennas and Propagation, 2014
We investigate the algorithm of direction and Doppler frequency estimation for bistatic multiple-input multiple-output (MIMO) radar in spatial colored noise.
Lingyun Xu   +3 more
doaj   +1 more source

An antenna subset selection algorithm in distributed MIMO radar for target localization via convolutional neural network

open access: yesIET Radar, Sonar & Navigation, 2023
Since the distributed MIMO radar (DMR) has widely spread transmitters and receivers, it can provide higher target detection probability, as well as superior target tracking and localization performance than the monostatic/bistatic radar systems.
Yingfei Yan, Haihong Tao, Jia Su
doaj   +1 more source

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