Results 251 to 260 of about 46,320 (319)

Concept d'antenne filtrante pour des applications GNSS

, 2011
Francisco Pizarro, Romain Pascaud
openalex   +1 more source

Collaborative Navigation as a Solution for PNT Applications in GNSS Challenged Environments – Report on Field Trials of a Joint FIG / IAG Working Group

, 2015
Allison Kealy, Guenther Retscher, Charles Toth, Azmir Hasnur-Rabiain, Vassilis Gikas, Dorota A. Grejner‐Brzezinska, Chris Danezis, Terry Moore   +7 more
openalex   +2 more sources

Joint Time Synchronisation and Localisation Method by TDOA Observation in 5G Networks

IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
This work proposes a method for joint time synchronisation and localisation problems and proposes to obtain the initial values of the alternating iteration algorithm through solving the MVIE problem. The simulations showcase the satisfying positioning accuracy and clock synchronisation accuracy of the proposed method.
Qiao Liu, Yutong Tian, Zhihang Qu, Yong Li   +3 more
wiley   +1 more source

Custom UAV with model predictive control for autonomous static and dynamic trajectory tracking in agricultural fields. [PDF]

Front Robot AI
Muvva VVRMKR, Joseph KT, Chawla Y, Pitla S, Wolf M.   +4 more
europepmc   +1 more source

GNSS based solutions for maritime “Safety of Life” Application with increased Accuracy Requirements [PDF]

, 2008
Evelin Engler, Thilo Noack, Jamila Beckheinrich, Angelika Hirrle, S. Schlüter, Roland Reimer, D. Klähn   +6 more
openalex  

WFH: A Wideband Frequency Hopping‐Based Anti‐Jamming Navigation Signal Structure

IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
Given the limitations of existing satellite navigation signals in antijamming performance amid growing environmental jamming, this paper proposes a navigation signal structure based on wideband frequency hopping (WFH) modulation to enhance both antijamming capability and measurement accuracy. It further introduces the nonstationary effective carrier‐to‐
Chenyang Wang, Yihai Liao, Sicong Liu, Jianghong Shi, Ao Peng   +4 more
wiley   +1 more source

Assessment of Android Network Positioning as an Alternate Source for Robust PNT. [PDF]

Sensors (Basel)
Chun J, Spagnolli J, Holmes T, Akos D.
europepmc   +1 more source

Melon‐Headed Whale (Peponocephala electra) Occurrence in the Equatorial Mid‐Atlantic Ocean With Descriptions of Their Whistles

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT Acoustic studies for any cetacean species in tropical Atlantic Ocean waters are scarce, especially for oceanic dolphins, such as the melon‐headed whale, Peponocephala electra. Here we describe a unique visual and acoustic record for this species, filling an information gap about the acoustic patterns of these delphinids in this part of the ...
Diana C. Freitas, Manuela Bassoi, Isis V. B. Da Silva, Luane S. Ferreira, Izabela C. Laurentino, Juliana R. Moron, Renata S. Sousa‐Lima   +6 more
wiley   +1 more source

Lidar IMU fusion navigation system for AGVs in smart factories. [PDF]

PLoS One
Li H, Wu X, Wang L, Jian X, Liu S, Chen Z, Chen S, Touti E.   +7 more
europepmc   +1 more source

A Trojan horse inside the gates: Alien–native mating interactions in mixed populations of Solidago taxa

Plant Biology, Volume 28, Issue 1, Page 261-271, January 2026.
DAPI flow cytometry identified post‐invasion processes—hybridisation, introgression, and polyploidization—in mixed populations of Solidago canadensis, S. virgaurea and S. ×niederederi. Abstract The establishment and possible impacts of alien–native hybrids depend on their formation frequency and ability to spread using generative and vegetative ...
K. Skokanová, M. Murgašová, K. Pulišová, B. Šingliarová   +3 more
wiley   +1 more source