Výsledky vyhledávání - "time-frequency features"

Akademický článek

Study on time–frequency features of induced charge signals during the damage and failure process of coal medium

Autor: Jinguo Lyu, Shixu Li, Yishan Pan, Zhi Tang, Xuebin Wang, Zhanpeng Xue, Yanli Zhang, Yanfang Qiao

Publikováno v: Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)

Abstract Monitoring and preventing coal-rock dynamic disasters are vital for safe mining. To investigate the time–frequency features of induced charge signals with coal damage and failure of roadways, the generation mechanism of free charge in load

Externí odkaz: https://doaj.org/article/64c9bb0b80f14a6c89f4912457b6fbe6

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Akademický článek

Ensemble learning model for concrete delamination depth detection using impact echo

Autor: Wu, Yanqi ^a, Fan, Xiao ^b, Zhang, Jian ^{a, ⁎}

Publikováno v: In NDT and E International July 2024 145

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Research on 3D ground penetrating radar deep underground cavity identification algorithm in urban roads using multi-dimensional time-frequency features

Autor: Li, Fanruo ^{a, ∗}, Yang, Feng ^a, Xie, Yunli ^c, Qiao, Xu ^a, Du, Cui ^b, Li, Ce ^a, Ru, Qiyue ^a, Zhang, Fu ^a, Gu, Xinhao ^a, Yong, Zichun ^d

Publikováno v: In NDT and E International April 2024 143

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A reliability-oriented genetic algorithm-levenberg marquardt model for leak risk assessment based on time-frequency features

Autor: Wang, Ying-Ying ^{a, ∗}, Sun, Hai-Bo ^a, Yang, Jin ^a, Wu, Shi-De ^b, Wang, Wen-Ming ^b, Li, Yu-Qi ^c, Lin, Ze-Qing ^a

Publikováno v: In Petroleum Science October 2023 20(5):3194-3209

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Large margin-learning methodology from time-frequency maps and its physically interpretable weights for simultaneous machine health monitoring and fault diagnosis

Autor: Yan, Tongtong ^{a, b}, Wang, Dong ^{a, b, ⁎}, Kong, Jinzhen ^{a, b}, Peng, Zhongxiao ^c

Publikováno v: In Mechanical Systems and Signal Processing 1 October 2023 200

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Akademický článek

An Efficient Method for Classification of Alcoholic and Normal Electroencephalogram Signals Based on Selection of an Appropriate Feature

Autor: Maryam Dorvashi, Neda Behzadfar, Ghazanfar Shahgholian

Publikováno v: Journal of Medical Signals and Sensors, Vol 13, Iss 1, Pp 11-20 (2023)

Background: Alcohol addiction contributes to disorders in brain's normal patterns. Analysis of electroencephalogram (EEG) signal helps to diagnose and classify alcoholic and normal EEG signal. Methods: One-second EEG signal was applied to classify al

Externí odkaz: https://doaj.org/article/4463825cd8b247a8bfed639f5142ddc0

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Akademický článek

SDTF-Net: Static and dynamic time–frequency network for Speech Emotion Recognition

Autor: Liu, Lu-Yao, Liu, Wen-Zhe, Feng, Lin ^⁎

Publikováno v: In Speech Communication March 2023 148:1-8

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Akademický článek

Fusion of pain avoidance and the contingent negative variation induced by punitive condition predict suicide ideation in a college population

Autor: Song, Wei, Li, Huanhuan ^⁎, Sun, Fang, Wei, Shijie, Wen, Xiaotong ^⁎, Ouyang, Lisheng

Publikováno v: In Behavioural Brain Research 13 February 2023 438

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Akademický článek

Two-Stream Networks for COPERT Correction Model with Time-Frequency Features Fusion

Autor: Zhenyi Xu, Ruibin Wang, Kai Pan, Jiaren Li, Qilai Wu

Publikováno v: Atmosphere, Vol 14, Iss 12, p 1766 (2023)

Emission factors serve as a valuable tool for quantifying the release of pollutants from road vehicles and predicting emissions within a specific time or area. In order to overcome the limitation of the computer program to calculate emissions from th

Externí odkaz: https://doaj.org/article/99202d387f7440deb0792281139fb87c

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