The overview of human localization and vital sign signal measurement using handheld IR-UWB through-wall radar

D Yang, Z Zhu, J Zhang, B Liang - Sensors, 2021 - mdpi.com
Obtaining information (eg, position, respiration, and heartbeat rates) on humans located behind
opaque and non-metallic obstacles (eg, walls and wood) has prompted the development …

Internet of underwater things infrastructure: A shared underwater acoustic communication layer scheme for real-world underwater acoustic experiments

Z Zhu, Y Zhou, R Wang, F Tong - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The advancement of underwater acoustic communication (UAC) holds great promise for the
Internet of Underwater Things (IoUT). However, a critical challenge to the development of …

Dataset of human motion status using IR-UWB through-wall radar

Z Zhengliang, Y Degui, Z Junchao… - Journal of Systems …, 2021 - ieeexplore.ieee.org
Ultra-wideband (UWB) through-wall radar has a wide range of applications in non-contact
human information detection and monitoring. With the integration of machine learning …

Dual parameters optimization lp-LMS for estimating underwater acoustic channel with uncertain sparsity

Z Zhu, F Tong, Y Zhou, F Wu - Applied Acoustics, 2023 - Elsevier
The sparse norm constraint ( l 0 , l 1 , l 2 and l p ) least mean square algorithm (LMS) is
established technique for modeling sparse systems. However, when applied in target systems …

Exploiting rapidly time-varying sparsity for underwater acoustic communication

W Jiang, F Tong, Z Zhu - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
Due to the combined effects of different acoustic propagation, reflection patterns in different
time-scale, time-varying underwater acoustic (UWA) channel generally exhibits hybrid …

A green pretreatment approach of corn stalk wastes for obtaining micro/nano-cellulose fibers, monosaccharides and lignin fractions

S Yang, K Chen, Z Zhu, Q Guan, H Zhou, L He - Renewable Energy, 2022 - Elsevier
Efficient separation of carbohydrates and lignin from lignocellulosic biomass, and further
high-value conversion are still the main challenge of biorefinery. Oxygen-enhanced alkali …

Vital sign signal extraction method based on permutation entropy and EEMD algorithm for ultra-wideband radar

D Yang, Z Zhu, B Liang - IEEE Access, 2019 - ieeexplore.ieee.org
The noncontact measurement of vital sign signals is useful for medical care, rescuing disaster
survivors from ruins and public safety. In this paper, a novel vital sign signal extraction …

Enhanced Sparsity-aware RLS Algorithm for Efficient Estimation of Time-varying Sparse System

Z Zhu, F Tong, Y Zhou - … Transactions on Circuits and Systems II …, 2023 - ieeexplore.ieee.org
The sparsity-aware recursive least squares (RLS) algorithms have been designed to impose
norm $(l_{0}$ or $l_{1}$ -norm) constraint on RLS iteration to exploit sparsity contained in …

Enhanced enzymatic saccharification of sugarcane bagasse pretreated by combining O2 and NaOH

S Bi, L Peng, K Chen, Z Zhu - Bioresource Technology, 2016 - Elsevier
Sugarcane bagasse pretreated by combining O 2 and NaOH with different variables was
conducted to improve its enzymatic digestibility and sugar recovery, and the results were …

Deep Learning Prediction of Time-Varying Underwater Acoustic Channel Based on LSTM with Attention Mechanism

Z Zhu, F Tong, Y Zhou, Z Zhang, F Zhang - Journal of Marine Science and …, 2023 - Springer
This paper investigates the channel prediction algorithm of the time-varying channels in
underwater acoustic (UWA) communication systems using the long short-term memory (LSTM) …