Evaporation Duct Height Nowcasting in China’s Yellow Sea Based on Deep Learning [PDF]
Remote Sensing, 2021 The evaporation duct is a weather phenomenon that often occurs in marine environments and affects the operation of shipborne radar. The most important evaluation parameter is the evaporation duct height (EDH).
Jie Han, Hong-Guang Wang
exaly +4 more sources
Remote Sensing, 2022 The evaporation duct is a special atmospheric stratification that significantly influences the propagation path of electromagnetic waves at sea, and hence, it is crucial for the stability of the radio communication systems.
Xiaofeng Zhao, Jincai Li
exaly +4 more sources
ENSO-Modulated Spatio-Temporal Variability of Evaporation Duct Height in the South China Sea
Journal of Marine Science and EngineeringThe evaporation duct, formed above the ocean surface by sharp vertical gradients of humidity, would significantly influence electromagnetic wave propagation.
Shaoqing Zhang +2 more
exaly +4 more sources
Evaporation Duct Height Short-Term Prediction Based on Bayesian Hyperparameter Optimization
AtmosphereAccurately predicting evaporation duct height (EDH) is a crucial technology for enabling over-the-horizon communication and radar detection at sea.
Ye-Wen Wu +5 more
exaly +4 more sources
Time Series Analysis of Evaporation Duct Height over South China Sea: A Stochastic Modeling Approach
Atmosphere, 2021 The evaporation duct could significantly affect the work status of maritime microwave communication systems in the South China Sea. Therefore, the exact forecasting of the evaporation duct is vital for the normal operation of the systems.
exaly +3 more sources
The Inhomogeneous Characteristics of Evaporation Ducts in the Northern South China Sea Based on Information Entropy [PDF]
EntropyThe inhomogeneity of the evaporation duct significantly influences electromagnetic propagation. Based on observation data from four buoy stations in the northern South China Sea (SCS) and European Centre for Medium-Range Weather Forecasts (ECMWF) data ...
Ning Yang +3 more
doaj +2 more sources
Research on a Multimodel Fusion Diagnosis Method for Evaporation Ducts in the East China Sea [PDF]
Sensors, 2023 Evaporation ducts are abnormal states of the atmosphere in the air–sea boundary layer that directly affect the propagation trajectory of electromagnetic (EM) waves.
Cheng Zhang +8 more
doaj +2 more sources
A New Short-Term Prediction Method for Estimation of the Evaporation Duct Height [PDF]
IEEE Access, 2020 Evaporation duct is a kind of chaotic phenomenon over the ocean. In this paper, a new nonlinear prediction algorithm, the Darwinian evolutionary algorithm (DEA), is introduced to obtain the specific nonlinear formula P(·) of the chaotic phenomenon.
Yanbo Mai +5 more
doaj +2 more sources
A Novel System for the Measurement of an Evaporation Duct Using the Magnetic Coupling Principle for Power Feeding and Data Transmission [PDF]
Sensors, 2022 Since the evaporation duct height (EDH) only covers the antenna height of most shipborne microwave radars, mastering the EDH in advance has great significance in achieving long-range target detection.
Qiang Wang +6 more
doaj +2 more sources
Research on evaporation duct height prediction based on back propagation neural network [PDF]
IET Microwaves, Antennas and Propagation, 2020 Evaporation duct is an abnormal refraction atmospheric stratification frequently appearing at sea. Accurately obtaining evaporation duct height (EDH) is significant for the effective application of electromagnetic system equipment. To overcome the limitations of theoretical prediction models, this study proposes a pure data‐driven back propagation ...
Junxing Zhu, Juan Zhao, Tao Jiang
exaly +2 more sources