Results 41 to 50 of about 198,426 (303)

Improving the Robustness of Visual Teach‐and‐Repeat Navigation Using Drift Error Correction and Event‐Based Vision for Low‐Light Environments

Advanced Robotics Research, EarlyView.
Visual teach‐and‐repeat (VTR) navigation allows robots to learn and follow routes without building a full metric map. We show that navigation accuracy for VTR can be improved by integrating a topological map with error‐drift correction based on stereo vision.
Fuhai Ling, Ze Huang, Tony J. Prescott
wiley   +1 more source

Application and Optimization of Kalman Filter for Baseband Signal Processing of GPS Receivers

MATEC Web of Conferences, 2016
High sensitivity tracking in GPS receiver is required in many weak signal circumstances. The key of improving sensitivity is the optimization of the loop filter in tracking.
He Yanpin, Li Weimin, Bi Bo
doaj   +1 more source

TreeSpider: In‐Canopy Exploration With Tether‐Based Aerial Modular Arms

Advanced Robotics Research, EarlyView.
A tethered drone with perching arms and a 360° ring enables unprecedented maneuverability within dense forest canopies. By dynamically adjusting tether length and decoupling pitch from the frame, it navigates between branches, senses multiple trees, and interacts physically with foliage.
Luca Romanello, Tian Lan, Salaheldin Hassan, Maximilian Leutschafft, Erdem Ekinci, Sophie F. Armanini, Mirko Kovac, Basaran Bahadir Kocer   +7 more
wiley   +1 more source

Will GPS Jammers Proliferate in the Smart City? [PDF]

Salus Journal, 2019
The Smart City will rely extensively on consented and unconsented information about people’s location and movements in order to fulfil its many ambitions.
Tegg Westbrook
doaj  

Discovery of an Adaptive Neuroimmune Response Driving Itch and Fast Tick Removal with Implications for Preventing Pathogen Transmission

Advanced Science, EarlyView.
Itch‐induced tick removal (IITR): An acquired neuroimmune mechanism, itch‐induced tick removal, develops after repeated tick exposure, mobilizing T cells and macrophages at the tick bite site to trigger a rapid scratching response that facilitates timely tick removal within a critical window that preces the transmission of many tick‐borne pathogens ...
Johannes S. P. Doehl, Tiago D. Serafim, Serena Doh, Charles S. Grugan, Eva Iniguez, Luana Rogerio, Ronja Frigard, Ranadhir Dey, Pedro Cecilio, Xinglong Gu, Pang‐Yen Tseng, Aline da Silva Moreira, Mahnaz Minai, James Oristian, Hans Ackerman, Steven Brooks, Caroline Percopo, Siu‐Ping Ng, Derron A. Alves, Lucas Tirloni, Jennifer M. Anderson, Adriana Marques, Fabiano Oliveira, Shaden Kamhawi, Daniel E. Sonenshine, José M. C. Ribeiro, Mark Hoon, Jesus G. Valenzuela   +27 more
wiley   +1 more source

Do GPS collars and coded neckbands tell the same story about year-round movements in geese?

Movement Ecology
Background GPS telemetry has become the norm for the tracking of large-bodied bird species, whereas management and conservation of populations often rely on low-tech methods such as capture-mark-resighting (CMR).
Mariëlle L. van Toor, Christen H. Fleming, Niklas Liljebäck, Johan Månsson, Jonas Waldenström, Johan Elmberg   +5 more
doaj   +1 more source

Telegram based GPS Tracker

Al-Iraqia Journal for Scientific Engineering Research
Global Positioning System (GPS) tracking systems are critical in asset, vehicle, and person tracking yet many of the systems currently on the market are hampered by their high cost, accessibility challenges, and the proprietary nature of current ...
Roland Atekha Odiase, Temitope Afuye Omoniyi, Gerard Nonso Obiora   +2 more
doaj   +1 more source

Alumni Tracking System Using GPS

International Journal of Scientific Research in Computer Science, Engineering and Information Technology, 2020
This word is aimed towards developing a Repository and each Engine for alumni of a college, which is of importance to an institution. The Alumni tracking system is a mobile based application that can be accessed throughout the World. The Alumni Tracking System provides the way in which alumni can stay connected with college which has been very ...
Abhay Thayyil Mukundan, Irushikesh S, Jerin Mathai, K Arun Patrick   +3 more
openaire   +1 more source

SMAD4 Palmitoylation Drives a Metabolic‐Transcriptional Circuit to Promote Tumorigenesis and Confers Radiosensitivity in Pancreatic Cancer

Advanced Science, EarlyView.
This study identifies palmitoylation as a novel regulatory modification of SMAD4, mediated by ZDHHC22/APT2. It activates fatty acid synthesis, creating a self‐reinforcing SMAD4–FASN–palmitate feedback loop that drives pancreatic cancer growth and enhances radiotherapy sensitivity.
Yang Wang, Shan Zhang, Junping Bai, Xiaobing Li, Yi Han, Min Ji, Chongyi Jiang, Xiaobei Ge, Tianyu Yu, Yongying Hou, Jun Zhang, Wangting Li, Yiran Song, Jiaying Cai, Yingqun Zhou, Liwei An, Feng Wang   +16 more
wiley   +1 more source

GPS Carrier Tracking Loop Performance in the presence of Ionospheric Scintillations [PDF]

, 2005
The performance of several GPS carrier tracking loops is evaluated using wideband GPS data recorded during strong ionospheric scintillations. The aim of this study is to determine the loop structures and parameters that enable good phase tracking ...
Humphreys, Todd E., Kintner, Paul M., Psiaki, Mark L.   +2 more
core   +1 more source