Results 21 to 30 of about 35,573 (266)
Applied Sciences, 2023 The elastic full-waveform inversion (EFWI) method efficiently utilizes the amplitude, phase, and travel time information present in multi-component seismic recordings to create detailed parameter models of subsurface structures.
Qiyuan Qi +3 more
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Online unsupervised generative learning framework based radar jamming waveform design
IET Radar, Sonar & Navigation, 2023 The jamming effect on radar is dominated by the design of the jamming waveform directly. Traditional jamming waveforms are generated using the template‐based method and are not environmentally resilient. Without the precise radar centre frequency support,
Yuzheng Sun +4 more
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Explicit Computation of Robin Parameters in Optimized Schwarz Waveform Relaxation Methods for Schrödinger Equations Based on Pseudodifferential Operators [PDF]
Communications in Computational Physics, 2020 The Optimized Schwarz Waveform Relaxation algorithm, a domain decomposition method based on Robin transmission condition, is becoming a popular computational method for solving evolution partial differential equations in parallel. Along with well-posedness, it offers a good balance between convergence rate, efficient computational complexity and ...
Antoine, Xavier, Lorin, Emmanuel
openaire +3 more sources
MI-Based Robust Waveform Design in Radar and Jammer Games
Complexity, 2019 Due to the uncertainties of the radar target prior information in the actual scene, the waveform designed based on the radar target prior information cannot meet the needs of parameter estimation.
Bin Wang +3 more
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Mathematical method for air electrostatic discharge circuits calculation
High Voltage, 2018 Here, a new analytical method, state matrix transform method, is proposed for calculating the descriptions of current waveforms generated by commercial electrostatic discharge (ESD) generators.
Liu Xinggang, Wei Ming, Hu Xiaofeng
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IET Radar, Sonar & Navigation, 2017 The chirp sequence waveform is one of the most commonly used waveforms for automotive frequency‐modulated continuous wave radars. When a chirp sequence waveform is applied, the range–Doppler processing method based on two‐dimensional fast Fourier ...
Yuankai Wang +4 more
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Influence of Quiet Spike on Supersonic Transport for Low Boom Effect
Xibei Gongye Daxue Xuebao, 2019 One of the biggest technical challenges of supersonic flight is the mitigation of sonic boom. To deal with this problem, the Gulfstream Aerospace Corporation came up with the spike concept, and it showed to be efficient.
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Low-Boom and Low-Drag Optimization of the Twin Engine Version of Silent Supersonic Business Jet
Journal of Fluid Science and Technology, 2008 Multi-Objective Optimization has been applied to a design problem of the twin engine concept for Silent Supersonic Business Jet (SSBJ). This problem aims to find main wing, body, tail wing and engine nacelle configurations, which can minimize both sonic ...
Koma SATO +5 more
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LAI estimation based on physical model combining airborne LiDAR waveform and Sentinel-2 imagery
Frontiers in Plant Science, 2023 Leaf area index (LAI) is an important biophysical parameter of vegetation and serves as a significant indicator for assessing forest ecosystems. Multi-source remote sensing data enables large-scale and dynamic surface observations, providing effective ...
Zixi Shi +12 more
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Remote Sensing, 2020 This paper focuses on sea surface wind speed estimation based on cyclone global navigation satellite system reflectometry (GNSS-R) data. In order to extract useful information from delay-Doppler map (DDM) data, three delay waveforms are presented for ...
Jinwei Bu +4 more
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