A Time-Frequency Research for Ultrasonic Guided Wave Generated from the Debonding Based on a Novel Time-Frequency Analysis Technique by Junhua Wu, Zheshu Ma, Yonghui Zhang

“…Debonding is a major defect of the carbon fibre composite. The time-frequency analysis is fundamental to identify the defect on ultrasonic nondestructive evaluation and testing. …”
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EEG time-frequency dynamics of early cognitive control development by Santiago Morales, George A. Buzzell

“…For control instantiation, there is evidence that theta band connectivity between midfrontal and lateral-frontal cortices is present from early childhood. There is also evidence for the involvement of midfrontal theta power in the instantiation of control in infancy. …”
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Crack detection on beams by time-frequency analysis of transient flexural waves by Anastasia APOSTOLOUDIA, Evanthia DOUKA, Leontios J. HADJILEONTIADIS, Ioannis T. REKANOS, Athanasios TROCHIDIS

“…In view of the results obtained, the advantages and shortcomings of the time-frequency representations employed are presented and discussed.…”
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Applying time-frequency analysis to assess cerebral autoregulation during hypercapnia. by Michał M Placek, Paweł Wachel, D Robert Iskander, Peter Smielewski, Agnieszka Uryga, Arkadiusz Mielczarek, Tomasz A Szczepański, Magdalena Kasprowicz

“…The aim of this study is to present an alternative method that accounts for intrinsic non-stationarity of cerebral autoregulation and the signals used for its assessment.…”
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Application of Choi—Williams Reduced Interference Time Frequency Distribution to Machinery Diagnostics by Howard A. Gaberson

“…This article discusses time frequency analysis of machinery diagnostic vibration signals. …”
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Time-frequency differential encoding and detection for cyclic prefix assisted CDMA system by FANG Zhao-xi, SHAN Hang-guan, WANG Zong-xin

“…A new differential encoding and detection scheme for cyclic prefix assisted CDMA system was proposed.Considering the correlation between channel impulse response in both time domain and frequency domain,a time-frequency differential encoding scheme and corresponding noncoherent detection and equalization based on MMSE criterion were presented.Computer simulation results show that it outperforms conventional method in fast fading multipath channel significantly,and shows high robustness against Doppler spread.…”
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Time-frequency differential encoding and detection for cyclic prefix assisted CDMA system by FANG Zhao-xi, SHAN Hang-guan, WANG Zong-xin

“…A new differential encoding and detection scheme for cyclic prefix assisted CDMA system was proposed.Considering the correlation between channel impulse response in both time domain and frequency domain,a time-frequency differential encoding scheme and corresponding noncoherent detection and equalization based on MMSE criterion were presented.Computer simulation results show that it outperforms conventional method in fast fading multipath channel significantly,and shows high robustness against Doppler spread.…”
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Adaptive Filtering for Multi-Track Audio Based on Time–Frequency Masking Detection by Wenhan Zhao, Fernando Pérez-Cota

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Fusion of Deep and Time–Frequency Local Features for Melanoma Skin Cancer Detection by Hamidreza Eghtesaddoust, Morteza Valizadeh, Mehdi Chehel Amirani

“…However, increasing the accuracy of detection is still challenging. This paper presents a new method for MEL detection that considers the combination of deep and handcrafted time–frequency local features. …”
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An Investigation into Error Source Identification of Machine Tools Based on Time-Frequency Feature Extraction by Dongju Chen, Shuai Zhou, Lihua Dong, Jinwei Fan

“…This paper presents a new identification method to identify the main errors of the machine tool in time-frequency domain. …”
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Time-frequency analysis of the AE signals generated by PDs on bushing and stand-off insulators by T. Boczar, S. Borucki, A. Cichoń, M. Lorenc

“…In Summing-up the comparative analysis was carried out for the results obtained in the time-frequency domain for bushing and stand-off insulators.…”
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CLASSIFICATION OF AUDIO SOURCE CHANNELS USING TIME-FREQUENCY ANALYSIS AND DECISION TREE CLASSIFIER by Sagir Lawan, Ashraf A. Ahmad, Amina Jibril, Idrisu Mohammed, Kulu Ahmad Amalo

“…This paper presents the development and classification of audio source separation algorithms utilizing timefrequency analysis techniques, specifically Wigner-Ville distributions (WVDs), compact kernel distribution (CKD) and multi-directional distribution (MDD). …”
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Deep learning network for NMR spectra reconstruction in time-frequency domain and quality assessment by Yao Luo, Wenhan Chen, Zhenhua Su, Xiaoqi Shi, Jie Luo, Xiaobo Qu, Zhong Chen, Yanqin Lin

“…In this study, a joint time-frequency domain deep learning network, referred to as JTF-Net, is proposed. …”
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High-Concentration Time-Frequency Representation and Instantaneous Frequency Estimation of Frequency-Crossing Signals by Hui Li, Xiangxiang Zhu, Yingfei Wang, Xinpeng Cai, Zhuosheng Zhang

“…Currently, achieving high-resolution time-frequency (TF) representation and accurate instantaneous frequency (IF) estimation for these signals presents a challenge and is a significant area of research. …”
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Time-Frequency Analysis and Neural Network-Based Multipath Mitigation Method for Precise Positioning by Min-Ji Kim, O-Jong Kim, Jikang Lee, Changdon Kee, Juhyun Maeng

“…This paper also presents a novel method that employs a trained neural network to classify the most contaminated signals by considering a single-transmitter-based positioning system with an antenna array. …”
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A Deep Learning-Based Time-Frequency Scheme for Ship Detection Using HFSWR by Da Huang, Hao Zhou, Yingwei Tian, Zhiqing Yang, Weimin Huang

“…To address this challenge, a deep learning (DL)-based scheme tailored for identifying ship targets in the time-frequency (TF) domain is presented. To ensure high-quality model training, we develop a semiautomatic annotation approach that uses automatic identification system (AIS) information as a reference and collect a TF dataset named HFSWR-TFD. …”
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A Concept of a Vision System for Position DeterminationUsing Spatial-Time-Frequency Analysis by Piotr MIŚ, Przemysław SZULIM, Jędrzej MĄCZAK

“…This paper presents the concept of a vision system designed to determine the position of a camera within a given coordinate system. …”
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Precision and Stability of a Space Laser Ranging Technology Based on Time-Frequency Co-Transfer by Shaobo Li, Lei Zhang, Dongjie Wang, Yuhan Hu, Mingyang Lv, Zhe Li, Yihan Li

“…This paper presents an innovative space laser ranging technology that utilizes time-frequency co-transfer, effectively meeting the critical demand for precision in space laser ranging applications. …”
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The Defect Detection in Ceramic Materials Based on Time-Frequency Analysis by Using the Method of Impulse Noise by Tahir Cetin AKINCI

“…This method is a test technique that was not used in applications. The method is presented as an examination technique based on whether there is a deformation on the material according to the sound coming from it as a result of a plastic bit hammer impact on the ceramic material. …”
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A Study on Instantaneous Time-Frequency Methods for Damage Detection of Nonlinear Moment-Resisting Frames by Ehsan Darvishan, Gholamreza Ghodrati Amiri, Pedram Ghaderi

“…However, detection of damage in these structures is a challenging issue due to successive change in structural characteristics during a seismic excitation. The current paper presents a promising approach for damage detection of nonlinear moment frames. …”
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