Results 51 to 60 of about 679,625 (215)

Subspace Compressive GLRT Detector for MIMO Radar in the Presence of Clutter

open access: yesThe Scientific World Journal, 2015
The problem of optimising the target detection performance of MIMO radar in the presence of clutter is considered. The increased false alarm rate which is a consequence of the presence of clutter returns is known to seriously degrade the target detection
Siva Karteek Bolisetti   +4 more
doaj   +1 more source

Polarisation-space-time adaptive processing for heterogeneous clutter suppression of airborne-phased array radar

open access: yesThe Journal of Engineering, 2019
Conventional space-time adaptive processing (STAP) achieves clutter suppression by combining spatial signals and the temporal pulses. However, extreme slow-moving target cannot be effectively detected by space-time joint filtering in ambiguous and non ...
Yuze Sun, Jian Yang, Xiaopeng Yang
doaj   +1 more source

Loanwords and Linguistic Phylogenetics: *pelek̑u‐ ‘axe’ and *(H)a(i̯)g̑‐ ‘goat’1

open access: yesTransactions of the Philological Society, Volume 123, Issue 1, Page 116-136, March 2025.
Abstract This paper assesses the role of borrowings in two different approaches to linguistic phylogenetics: Traditional qualitative analyses of lexemes, and quantitative computational analysis of cognacy. It problematises the assumption that loanwords can be excluded altogether from datasets of lexical cognacy.
Simon Poulsen
wiley   +1 more source

Clutter Suppression Performance Analysis of Spaceborne Bistatic Radar Systems Based on a Semiempirical Bistatic Clutter Scattering Coefficient Model

open access: yesLeida xuebao
Conventional spaceborne monostatic radar systems incur huge engineering costs to achieve small moving-target detection and low anti-interference ability.
Qing LU   +7 more
doaj   +1 more source

Doppler polarimetric ground clutter identification and suppression for atmospheric radars based on co-polar correlation

open access: yesJournal of Telecommunications and Information Technology, 2001
A new clutter suppression technique that uses both Doppler and polarimetric information is presented. Polarimetric properties of the target and clutter are calculated per Doppler frequency cell and based on this information clutter suppression is ...
Dmitri Moisseev   +3 more
doaj   +1 more source

Echoes of Intelligence: What AI Could Learn From Bats

open access: yesApplied AI Letters, Volume 8, Issue 1, February 2027.
Bat biosonar offers a promising model for embodied AI: navigating dense vegetation through active perception and learning from sparse echoes suggests robust, parsimonious, autonomous alternatives to conventional vision‐centered, data‐intensive systems.
Rolf Müller
wiley   +1 more source

Reliability‐Aware Framework for Fault‐Tolerant Multi‐Sensor Fusion Using Neuromorphic Hardware‐Native Learning

open access: yesAdvanced Computing, Volume 1, Issue 1, December 2026.
Reliability of training inputs is essential for hardware‐native neuromorphic learning, as faulty data in sensor fusion generates false triggers due to wrong conductance updates. This work presents a reliability‐aware framework ensuring only trustworthy sensor inputs participate in training, preventing false associations and improving robust decision ...
Tauseef Ejaz   +2 more
wiley   +1 more source

The Doppler Spectra of Medium Grazing Angle Sea Clutter; Part 1: Characterisation [PDF]

open access: yes, 2016
This paper is concerned with the characterisation of Doppler spectra from high range resolution X-band radar sea clutter observed from an airborne platform over the range of grazing angles, 15° to 45°.
Rosenberg, L   +3 more
core  

Performance of high-resolution X-band radar for rainfall measurement in The Netherlands [PDF]

open access: yes, 2010
This study presents an analysis of 195 rainfall events gathered with the X-band weather radar SOLIDAR and a tipping bucket rain gauge network near Delft, The Netherlands, between May 1993 and April 1994.
J. N. M. Stricker   +14 more
core   +2 more sources

Adaptive Prototype‐Based Few‐Shot Segmentation for Debris Flow Early Warning

open access: yesJournal of Flood Risk Management, Volume 19, Issue 4, December 2026.
From single‐parameter monitoring to a cross‐modal few‐shot visual paradigm for debris flow early warning. Conventional rainfall‐gauge and mud‐level monitoring is data‐sparse, delayed in response, and spatially limited. The proposed framework instead fuses a support set, a query image, and a textual target category through ResNet‐50 and CLIP encoders ...
Mingzhi Zhang   +7 more
wiley   +1 more source

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