Results 1 to 10 of about 31,221 (163)

Investigation of an Autonomous Tracking System for Localization of Radio-Tagged Flying Insects

open access: yesIEEE Access, 2022
The tracking of flying insects is one of the main challenges in the field of ecosystem and biodiversity protection. In the case of invasive insects such as Asian hornets, extensive considerations must be made in estimating the habitat because of the ...
Chanyoung Ju, Hyoung Il Son
doaj   +3 more sources

Laser and radio tracking for planetary science missions—a comparison [PDF]

open access: yesJournal of Geodesy, 2018
At present, tracking data for planetary missions largely consists of radio observables: range-rate range and angular position. Future planetary missions may use Interplanetary Laser Ranging (ILR) as a tracking observable. Two-way ILR will provide range data that are about 2 orders of magnitude more accurate than radio-based range data.
D Dirkx   +2 more
exaly   +6 more sources

A Review of Miniature Radio Transmitters for Wildlife Tracking

open access: yesSensors
This article surveys the literature on miniature radio transmitters designed to track free-ranging wild animals using emitter-localization techniques.
Sivan Toledo
doaj   +3 more sources

Health and environmental effects to wildlife from radio telemetry and tracking devices—state of the science and best management practices

open access: yesFrontiers in Veterinary Science
This paper discusses the potential health risks and benefits to tagged wildlife from the use of radio tracking, radio telemetry, and related microchip and data-logger technologies used to study, monitor and track mostly wildlife in their native habitats.
Albert M. Manville   +2 more
doaj   +3 more sources

Weak and Maneuvering Target Detection with Long Observation Time Based on Segment Fusion for Narrowband Radar

open access: yesSensors, 2022
Detecting high-speed and maneuvering targets is challenging in early warning radar applications. Modern early warning radar has many functions such as detection, tracking, imaging, and recognition which need a high signal-to-noise ratio (SNR). Thus, long-
Shaopeng Wei, Yan Dai, Qiang Zhang
doaj   +1 more source

Highly Robust Synthetic Aperture Radar Target Recognition Method Based on Simulation Data Training

open access: yesInternational Journal of Antennas and Propagation, 2022
Sufficient synthetic aperture radar (SAR) data is the key element in achieving excellent target recognition performance for most deep learning algorithms.
Liping Hu   +4 more
doaj   +1 more source

Comparative Analysis of Mathematical Models of Tracking Radio Altimeters

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2022
Introduction. Tracking radio altimeters of low altitudes are widely used in civil aviation. These devises use periodic frequency modulated continuous wave (FMCW) signals, while altitude measurements are based on processing the beat signal processing. For
A. A. Monakov, A. A. Tarasenkov
doaj   +1 more source

Spatial Behavior and Habitat Use of Two Sympatric Bat Species

open access: yesAnimals, 2021
Movement behavior and habitat use of the long-eared bat species Plecotus auritus and Plecotus austriacus were studied in the Havelland region in Brandenburg (Germany).
Nicole Starik   +2 more
doaj   +1 more source

Susceptibility to Predation Varies with Body Mass, Foraging Niche, and Anti-Predator Responses among Bird Species

open access: yesBirds, 2023
Predation is a major source of mortality for many avian species. Species that face more predators, and those with less effective anti-predator responses, are presumably more likely to die from predation over time.
Guy Beauchamp
doaj   +1 more source

Potential of RFID telemetry for monitoring ground-dwelling beetle movements: A Mediterranean dry grassland study

open access: yesFrontiers in Ecology and Evolution, 2023
Better understanding insects’ movements could help preserve and restore the insect communities that are key to the functioning of grasslands. Recent technological advances have led to spectacular achievements in movement ecology, making it possible to ...
Olivier Blight   +3 more
doaj   +1 more source

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