Results 61 to 70 of about 421 (151)

Real-time tropospheric delay modeling over large areas by integrating GFS forecasts and GNSS-derived ZWD for enhanced PPP-AR positioning [PDF]

GPS Solutions
Abstract The limited spatial distribution of global navigation satellite systems (GNSS) stations constrains the accuracy and spatial resolution of tropospheric delay modeling over large areas, particularly in regions with complex terrain, coastal environments, or sparse observational infrastructure.
Cui, B., Du, S., Li, Z., Huang, G., Wang, L., Zhang, Q.   +5 more
openaire   +1 more source

Deep Learning–Driven Surface‐Enhanced Raman Scattering–Lateral Flow Immunoassay With Au Nanostars for High‐Accuracy Respiratory Virus Detection

Rare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT The high accuracy in surface‐enhanced Raman scattering‐lateral flow immunoassays (SERS–LFIAs) is critical for reliable point‐of‐care testing (POCT) in clinical diagnostics. Conventional approaches are often affected by sampling variability and uneven distribution of immunoprobes, leading to unreliable signal fluctuations.
Shuai Zhao, Yan‐Yan Li, Cheng‐Long Lin, Mei‐Mei Xu, Wei‐Da Zhang, Dan Li, Yu‐Si Peng, Masaki Tanemura, Tian‐Shuo Zhao, Yong Yang   +9 more
wiley   +1 more source

KORELASI MUSIMAN ANTARA ZENITH WET DELAY (ZWD) DAN DEBIT SUNGAI DI DAS CIKAPUNDUNG HULU, KAWASAN BANDUNG UTARA, JAWA BARAT

Seminar Nasional Geomatika, 2019
Kandungan total uap air troposfer (precipitable water vapor) di suatu tempat dapat diestimasi berdasarkan karakteristik bias gelombang elektromagnetik dari satelit navigasi GPS, berupa zenith wet delay (ZWD). Pola musiman deret waktu ZWD sangat penting dalam studi siklus hidrologi khususnya yang terkait dengan kejadian-kejadian banjir.
Wedyanto Kuntjoro, Z.A.J. Tanuwijaya, A. Pramansyah, Dudy D. Wijaya   +3 more
openaire   +1 more source

Performance‐Driven Design Strategies for Flexible Pressure Sensors: A Comparative Guide to Conventional Fabrication and Additive Manufacturing

Advanced Sensor Research, Volume 5, Issue 1, January 2026.
This review provides a performance‐driven comparison between conventional fabrication and additive manufacturing for fabricating flexible pressure sensors. We analyze the design strategies unique to each paradigm and their direct impact on key figures of merit—sensitivity, response time, and pressure range—establishing a strategic framework to guide ...
Jinwook Baek, Yuxuan Zhang, Minyoung Kim, Yeongjun Oh, Zachary W. Didat, Han‐Wook Song, Min‐Seok Kim, Sunghwan Lee   +7 more
wiley   +1 more source

Neural Network–Based Precipitable Water Vapor Estimation Integrating Ground Observations and GFS Data

Advances in Meteorology, Volume 2026, Issue 1, 2026.
Precipitable water vapor (PWV) is a critical factor in precipitation formation, the hydrological cycle, and climate change. In this study, a neural network–based PWV estimation model was established using near‐surface meteorological observation and numerical weather prediction (NWP) products.
Chenghua Xie, Pramita Mishra
wiley   +1 more source

Performance of zero water discharge (ZWD) system with nitrifying bacteria Bacillus megaterium and microalgae Chaetoceros calcitrans components in super intensive pacific white shrimp Litopenaeus vannamei culture at low salinity

Jurnal Akuakultur Indonesia, 2018
ABSTRACTThis research aimed to obtain the performance of super intensive white shrimp rearing using zero water discharge (ZWD) system. This study consisted of four steps, (1) activation and cultivation of nitrifying bacteria, microalgae C. calcitrans and B.
Rahim Rahim, Gede Suantika, Harish Muhammad   +2 more
openaire   +3 more sources

Relationship Between Body Composition and Quality of Life in Young Patients With Differentiated Thyroid Carcinoma After Thyroidectomy

International Journal of Endocrinology, Volume 2026, Issue 1, 2026.
Objectives To assess body composition (BC) and quality of life (QoL) in young patients with differentiated thyroid carcinoma (DTC) after total thyroidectomy. Methods Fifty‐one patients with DTC were included. Clinical, demographic, and anthropometric data were collected.
Carla Tamanini Ferrari Schock, Lígia de Moraes Antunes-Correa, Fabiana Lascala Juliani, Marcelo Alcântara De Santana Souza, José Barreto Campello Carvalheira, Luís Bahamondes, Denise Engelbrecht Zantut-Wittmann, Sreeja Dattachoudhury   +7 more
wiley   +1 more source

Effect of phase centre variation on tropospheric delay in PPP‐AR with low‐cost global navigation satellite systems receiver and antenna

IET Radar, Sonar & Navigation
As low‐cost global navigation satellite systems receiver and antenna become increasingly prevalent for water vapour monitoring, precise millimetre‐level characterisation of instrument biases is crucial for maintaining measurement accuracy and reliability.
Jizhong Wu, Xiaoying Wang, Hongyang Ma
doaj   +1 more source

Research on ZWD Forecasting Model Based on Improved Random Forest Algorithm

Abstract When electromagnetic wave signals from the Global Navigation Satellite System (GNSS) pass through the troposphere, they are impeded by atmospheric conditions, thereby affecting positioning efficiency. The atmosphere is rich in water vapor information, which can typically be studied quantitatively through tropospheric zenith wet delay ...
He Lin, Wang Hong, Zhang Hui, Peng Wenjie, Zhang Bao   +4 more
openaire   +1 more source

Empirical model for mean temperature and assessment of precipitable water vapor derived from GPS

Geodesy and Geodynamics, 2013
The estimation of Precipitable Water Vapor (PWV) derived from Global Positioning System (GPS) data at the IGS site WUHN is assessed by comparing with PWV obtained from radiosonde data (No.57494) in Wuhan.
Tang Yanxin, Liu Lilong, Yao Chaolong
doaj   +1 more source