Results 61 to 70 of about 10,538 (200)

Ryugu reference project: Recommendations from the measurement definition team

open access: yesMeteoritics &Planetary Science, Volume 61, Issue 5, Page 819-848, May 2026.
Abstract Sample return missions play a significant role in planetary science by providing pristine extraterrestrial materials. JAXA's Hayabusa2 and NASA's OSIRIS‐REx missions have returned samples from the C‐type asteroids Ryugu and Bennu, respectively. The chemical and mineralogical compositions of these samples closely resemble those of CI chondrites,
Tetsuya Yokoyama   +16 more
wiley   +1 more source

An Angle Recognition Algorithm for Tracking Moving Targets Using WiFi Signals with Adaptive Spatiotemporal Clustering

open access: yesSensors, 2021
An angle estimation algorithm for tracking indoor moving targets with WiFi is proposed. First, phase calibration and static path elimination are proposed and performed on the collected channel state information signals from different antennas.
Liping Tian   +3 more
doaj   +1 more source

Electroactive Biodegradable Nerve Conduits Based on Alginate–Gelatine Polymer Matrix Modified With Inorganic Nanoparticles

open access: yesNatural Sciences, Volume 6, Issue 2, April 2026.
The effects of ZnO, fullerene C60 and polyaniline (PANI) nanoparticles in hybrid nerve conduits are explored. The composites show enhanced electrical conductivity, permeability to physiological fluids and mechanical stability. The biocompatibility of composites is confirmed by in vivo and in vitro studies.
Liudmyla Sukhodub   +7 more
wiley   +1 more source

Gaussian Channel Model for Mobile Multipath Environment

open access: yesEURASIP Journal on Advances in Signal Processing, 2004
A model of an angle-spread source is described, termed the “Gaussian channel model” (GCM). This model is used to represent signals transmitted between a user equipment and a cellular base station.
D. D. N. Bevan   +3 more
doaj   +1 more source

Cascade AOA Estimation Algorithm Based on Flexible Massive Antenna Array

open access: yesSensors, 2020
The Angle-of-Arrival (AOA) has a variety of applications in civilian and military wireless communication fields. Due to the rapid development of the location-based service (LBS) industry, the importance of the AOA estimation technique has increased ...
Tae-yun Kim, Suk-seung Hwang
doaj   +1 more source

Impact of ENSO on Nitrous Oxide Emissions in the Eastern Tropical Pacific

open access: yesGlobal Biogeochemical Cycles, Volume 40, Issue 3, March 2026.
Abstract Nitrous oxide (N2O ${\mathrm{N}}_{2}\mathrm{O}$) is a powerful greenhouse gas, with the ocean contributing ∼4.2 Tg N y−1 to global N2O ${\mathrm{N}}_{2}\mathrm{O}$ emissions. The Eastern Tropical Pacific (ETP) is a hotspot of N2O ${\mathrm{N}}_{2}\mathrm{O}$ emissions due to high N2O ${\mathrm{N}}_{2}\mathrm{O}$ production under low‐oxygen ...
Jana Härri   +4 more
wiley   +1 more source

Angle of arrival estimation of on-body channels

open access: yes, 2007
Angle of arrival (AoA) estimation has been performed on five on-body channels, namely belt-to-chest, belt-to-wrist, belt-to-ankle, belt-to-head and belt-to-back.
P.S. Hall   +8 more
core   +1 more source

Angle-of-Arrival Measurement Techniques for Enhanced Positioning in Beyond 5G Systems [PDF]

open access: yes, 2021
The new generation of mobile communication systems introduces new methods and technologies that may enhance positioning accuracy in some scenarios when the GNSS system cannot meet the requirements, such as indoor positioning and outdoor autonomous ...
Alfiza Ameen
core  

Conjoined Parasitic Twins (Cephalo‐Thoracopagus Parasiticus) in a Free Ranging Northern Bat (Eptesicus nilssonii): A Micro‐CT Anatomic and Genetic Survey

open access: yesAnatomia, Histologia, Embryologia, Volume 55, Issue 2, March 2026.
ABSTRACT The detailed anatomical situation of male stillborn cephalo‐thoracopagus twins in a wild ranging northern bat (Eptesicus nilssonii) is described by means of full body micro‐CT scans in high resolution with three‐dimensional computational reconstruction.
J. Meyer   +5 more
wiley   +1 more source

Mapping the Non‐Canonical Splicing Variants: Decrypting the Hidden Genetic Architecture of Idiopathic Male Infertility

open access: yesAdvanced Science, Volume 13, Issue 9, 13 February 2026.
This study highlights the significance of non‐canonical splicing variants in male infertility, a factor often overlooked during the analysis of high‐throughput sequencing data. Incorporating the non‐canonical splicing variants prioritization in the genetic analysis pipeline will increase the genetic diagnosis of patients with male infertility ...
Kuokuo Li   +22 more
wiley   +1 more source

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