A Method for Solving LiDAR Waveform Decomposition Parameters Based on a Variable Projection Algorithm [PDF]
Complexity, 2020 Light detection and ranging (LiDAR) is commonly used to create high-resolution maps; however, the efficiency and convergence of parameter estimation are difficult.
Ke Wang +4 more
doaj +2 more sources
A Multi-Indicator Fusion-Based Technique for the Identification of Acoustic Emission Signals During Rock Failure [PDF]
SensorsWith the widespread application of acoustic emission (AE) technology in geotechnical engineering, effectively separating and identifying dense AE signals generated during rock fracturing remains a critical challenge.
Dexian Li +6 more
doaj +2 more sources
Amplitude information aided waveform selection for cognitive radar tracking [PDF]
Zhihui kongzhi yu fangzhen, 2023 In order to improve the tracking performance of cognitive radar, this paper proposes a waveform selection algorithm for cognitive radar tracking assisted by amplitude information. Firstly, the framework of waveform parameter selection for cognitive radar
XIONG Fangyong, WANG Jiantao, HUANG Jie, DANG Tongxin
doaj +1 more source
High-Resolution Wideband Waveform Design for Sonar Based on Multi-Parameter Modulation
Remote Sensing, 2023 The design of transmitting waveforms is an effective way to improve the detection performance of sonar systems. For the problem of high-range sidelobe when designing reverberation-resistant waveforms, this paper proposes a high-resolution wideband ...
Tong Duan +3 more
doaj +1 more source
Waveform Design for Multi-Target Detection Based on Two-Stage Information Criterion
Entropy, 2022 Parameter estimation accuracy and average sample number (ASN) reduction are important to improving target detection performance in sequential hypothesis tests.
Yu Xiao, Xiaoxiang Hu
doaj +1 more source
Waveform Parameter Evaluation of Lightning Impulse Voltage Based on Neural Network Method [PDF]
Sensors and Materials, 2021 We propose a new approach based on applying neural networks for the base curve fitting of full lightning impulse voltage waveforms.In the standard IEC 61083-2, the Levenberg-Marquardt algorithm is employed in the calculation of the base curve to evaluate the waveform parameters.In this study, multilayer neural networks were constructed to correct the ...
Nutthaphong Tanthanuch +2 more
openaire +1 more source
DECOMPOSITION TECHNIQUES FOR ICESAT/GLAS FULL-WAVEFORM DATA [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 The geoscience laser altimeter system (GLAS) on the board Ice, Cloud, and land Elevation Satellite (ICESat), is the first long-duration space borne full-waveform LiDAR for measuring the topography of the ice shelf and temporal variation, cloud and ...
Z. Liu, X. Gao, G. Li, J. Chen
doaj +1 more source
Sensors, 2023 With the development of 5G communication systems, it is a hot topic to embed integrated sensing and communication (ISAC) based on the existing 5G base station by sharing the hardware and the same frequency spectrum. In this paper, we propose a dual pulse
Ping Chu, Zhaocheng Yang, Jian Zheng
doaj +1 more source
Subspace Methods in Multi-Parameter Seismic Full Waveform Inversion
Communications in Computational Physics, 2020 Summary: In full waveform inversion (FWI) high-resolution subsurface model parameters are sought. FWI is normally treated as a nonlinear least-squares inverse problem, in which the minimum of the corresponding misfit function is found by updating the model parameters.
Geng, Yu +2 more
openaire +2 more sources
ANALYSIS AND APPLICATION OF LIDAR WAVEFORM DATA USING A PROGRESSIVE WAVEFORM DECOMPOSITION METHOD [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012 Due to rich information of a full waveform of airborne LiDAR (light detection and ranging) data, the analysis of full waveform has been an active area in LiDAR application.
J. Zhu, Z. Zhang, X. Hu, Z. Li
doaj +1 more source