Results 101 to 110 of about 2,083,913 (216)

Research and Design of BPM Shortwave Time Signal Modulation Technology Based on Chirp

Remote Sensing
The shortwave time service system is a vital land-based wireless time service solution, serving as a supplement and backup to the global navigation satellite system. It ensures that time users can access reliable timings, especially in extreme situations.
Jiangbin Yuan, Shifeng Li, Wenhe Yan, Yuhang Song, Chaozhong Yang, Zhaopeng Hu, Dafeng Yang, Yu Hua   +7 more
doaj   +1 more source

A Novel Distributed Sensor Network to Assess Wind Turbine Blade Acoustics for Structural Health Monitoring

Wind Energy, Volume 29, Issue 10, October 2026.
ABSTRACT To reduce the need for scheduled wind turbine blade inspections and large‐scale repairs, a novel distributed acoustic sensing system for monitoring the structural health of wind turbine blades is proposed. This integral passive monitoring system utilizes a sparse array of in‐blade multimodal sensors and a single blade‐external downtower sensor,
Connor Pozzi, Calvin Ng, Sage Lyon, Yan Luo, Christopher Niezrecki, Murat Inalpolat   +5 more
wiley   +1 more source

Residue Number System Assisted Fast Frequency-Hopped Synchronous Ultra-Wideband Spread-Spectrum Multiple-Access: A Design Alternative to Impulse Radio

, 2002
Ultra-wideband (UWB) systems having a bandwidth on the order of gigahertz have recently received wide attention both in the U.S. and in Europe. The family of UWB systems may communicate either by generating ultra-wideband signals or with the aid of ...
Yang, L-L, Hanzo, L.
core   +1 more source

Effects of Reduced Precipitation and Water Level Variability on Phytoplankton Dynamics and Thermal Structure in a Large Tropical Reservoir

Water Resources Research, Volume 62, Issue 10, October 2026.
Abstract Drought is one of the most severe and complex natural hazards causing changes in water balance and impeding crucial water‐dependent ecosystem services. Over the last 25 years, multiple severe droughts linked to El Niño events have affected the Zambian and Zimbabwean regions.
Anna Joelle Greife, Elisa Calamita, Monica Pinardi, Laura Carrea, Ross I. Maidment, Jaime Pitarch, Mzime Regina Ndebele‐Murisa, Claudia Giardino, Mariano Bresciani, Francesco Pietro Fava, Clément Albergel, Marina Amadori   +11 more
wiley   +1 more source

FDX1 Depletion Activates CD8+ T Cell Antitumor Immunity by Promoting DMBT1 Secretion in Cuproptosis of Colorectal Cancer

Cancer Science, Volume 117, Issue 10, Page 2659-2675, October 2026.
Elesclomol‐induced cuproptosis potently activates both innate and adaptive antitumor immunity, especially CD8+ T cell immunity. FDX1 serves as a central regulator of CD8+ T cell functionality through DMBT1 downregulation during cuproptosis in colorectal cancer.
Jieqiong Wu, Zaixi Lian, Mingzhou Li, Xingtu Qin, Xiaoyu Lei, Lihua Yang, Lin Bing, Qiuyue Li, Lingyan Zhou, Zhiyang Ma, Xuemei Xu, Jinghao Huang, Zilong Chen, Lijie Chen, Lingjie Zhang, Zhiyuan Xiao, Xiangyu Jian, Xiaoqin Zhang, Yanqing Ding, Yaping Ye, Li Liang, Hongli Jiao, Shuyang Wang   +22 more
wiley   +1 more source

Low-Complexity Erasure Insertion in Frequency-Hopping Spread-Spectrum Communications Subjected to Fading and Partial-Band Interference

, 2001
In this paper we propose two novel low-complexity, low-delay erasure insertion schemes, namely the Output Threshold Test (OTT) and joint Maximum Output and Ratio Threshold Test (MO-RTT).
Yang, L-L., Hanzo, L.
core   +1 more source

Observational Analysis on the Relationship Between Chorus Waves and MeV Microburst Electron Precipitation

Geophysical Research Letters, Volume 53, Issue 18, 28 September 2026.
Abstract Microbursts are thought to be a key contributor to radiation belt electron loss, with chorus waves considered a primary driver of this precipitation. However, the conditions under which chorus waves produce MeV electron loss remain poorly constrained.
Jorge Romero‐Minaya, Lauren W. Blum, Longzhi Gan, Xiao Chen   +3 more
wiley   +1 more source

Chorus Element Repetition: Roles of Energetic Electron Injection and Nonlinear Wave Growth

Geophysical Research Letters, Volume 53, Issue 18, 28 September 2026.
Abstract Chorus waves are coherent whistler‐mode emissions in Earth’s magnetosphere and play a key role in the acceleration and loss of radiation belt electrons. Their spectra commonly consist of discrete and repetitive elements, yet the mechanism governing this repetition is not fully understood.
Huayue Chen, Xueyi Wang, Lunjin Chen, Jiabei He, Zhiyang Xia, Rui Chen   +5 more
wiley   +1 more source

Ultrafast Optical Hydrogen Modulator in a Palladium Hydride Nanoparticulate Thin Film

Nanophotonics, Volume 15, Issue 17, 11 September 2026.
An all‐optical palladium metal‐hydride modulator was investigated with ultrashort laser pulses, which can manipulate hydrogen positions on the femto‐to picosecond timescale. The incident photons activate interstitial hydrogen atoms and their subsequent trajectories affect the dielectric properties of the palladium hydride thin film, providing optical ...
Floriana Morabito, Paula H. Aguado, Luca Pedicone, Alessandro Baserga, Andrés R. Botello Méndez, Stefano Dal Conte, Christoph Gadermaier, Giulio Cerullo, Zeila Zanolli, Marcel Di Vece   +9 more
wiley   +1 more source

Integrated Sensing and Communication in a Fiber‐Wireless System With Time‐Phase Synthesis Dimension Waveform

Nanophotonics, Volume 15, Issue 17, 11 September 2026.
A unified fiber‐wireless integrated sensing and communication system is enabled by a single microwave photonic platform with a time‐phase synthesis dimension waveform. This architecture simultaneously delivers high‐speed data transmission, high‐precision wireless ranging, and accurate fiber diagnostics over a high‐power analog radio‐over‐fiber link ...
Shengkun Chen, Zhenglin Tang, Weiqiang Lyu, Mengke Wang, Yaowen Zhang, Zhen Zeng, Lingjie Zhang, Heping Li, Zhiyao Zhang, Yong Liu   +9 more
wiley   +1 more source