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In this paper, an Empirical Mode Decomposition-based method is proposed for the detection of transformer faults from Dissolve gas analysis (DGA) data. Ratio-based DGA parameters are ranked using their skewness. Optimal sets of intrinsic…

机器学习 · 计算机科学 2021-10-25 Shoaib Meraj Sami , Mohammed Imamul Hassan Bhuiyan

With increasing application of frequency-modulated continuous wave (FMCW) radars in autonomous vehicles, mutual interference among FMCW radars poses a serious threat. Through this paper, we present a novel approach to effectively and…

信号处理 · 电气工程与系统科学 2023-01-02 Abhilash Gaur , Po-Hsuan Tseng , Kai-Ten Feng , Seshan Srirangarajan

In this paper, we introduce a sequential variational mode decomposition method to separate non-stationary mixed signals successively. This method is inspired by the variational method, and can precisely recover the original components one…

信号处理 · 电气工程与系统科学 2021-03-11 Wei Chen

This work proposes an iterative channel estimation, detection and decoding (ICEDD) scheme for the uplink of multi-user multi-antenna systems assisted by multiple reconfigurable intelligent surfaces (RIS)}. A novel iterative code-aided…

信息论 · 计算机科学 2025-12-30 Roberto C. G. Porto , Rodrigo C. de Lamare

This paper presents an epilepsy detection method based on discrete wavelet transform (DWT) and Machine learning classifiers. Here DWT has been used for feature extraction as it provides a better decomposition of the signals in different…

信号处理 · 电气工程与系统科学 2023-07-06 Rabel Guharoy , Nanda Dulal Jana , Suparna Biswas

Specific emitter identification (SEI) technology is significant in device administration scenarios, such as self-organized networking and spectrum management, owing to its high security. For nonlinear and non-stationary electromagnetic…

密码学与安全 · 计算机科学 2024-01-04 Xiaofang Chen , Wenbo Xu , Yue Wang , Yan Huang

Inter-symbol interference (ISI) with heteroscedastic, or state-dependent, noise is a defining feature of molecular communication via diffusion (MCvD). However, such noise variance dependency across ISI states has not been systematically…

信息论 · 计算机科学 2026-03-09 Erencem Ozbey , H. Birkan Yilmaz , Chan-Byoung Chae

To improve the performance in identifying the faults under strong noise for rotating machinery, this paper presents a dynamic feature reconstruction signal graph method, which plays the key role of the proposed end-to-end fault diagnosis…

信号处理 · 电气工程与系统科学 2023-10-02 Wenbin He , Jianxu Mao , Yaonan Wang , Zhe Li , Qiu Fang , Haotian Wu

In this paper we consider the problem of quickly detecting changes in an intermittent signal that can (repeatedly) switch between a normal and an anomalous state. We pose this intermittent signal detection problem as an optimal stopping…

系统与控制 · 计算机科学 2018-04-27 Jasmin James , Jason J. Ford , Timothy L. Molloy

A new approach for blind channel equalization and decoding, variational inference, and variational autoencoders (VAEs) in particular, is introduced. We first consider the reconstruction of uncoded data symbols transmitted over a noisy…

机器学习 · 计算机科学 2020-04-14 Avi Caciularu , David Burshtein

CT protocol design and quality control would benefit from automated tools to estimate the quality of generated CT images. These tools could be used to identify erroneous CT acquisitions or refine protocols to achieve certain signal to noise…

计算机视觉与模式识别 · 计算机科学 2016-10-25 Sohini Roychowdhury , Nathan Hollraft , Adam Alessio

The coupling signal refers to a latent physiological signal that characterizes the transformation from cardiac electrical excitation, captured by the electrocardiogram (ECG), to mechanical contraction, recorded by the phonocardiogram (PCG).…

信号处理 · 电气工程与系统科学 2025-11-05 Peihong Zhang , Zhixin Li , Rui Sang , Yuxuan Liu , Yiqiang Cai , Yizhou Tan , Shengchen Li

Time-frequency analysis for non-linear and non-stationary signals is extraordinarily challenging. To capture features in these signals, it is necessary for the analysis methods to be local, adaptive and stable. In recent years,…

数值分析 · 数学 2015-10-26 Antonio Cicone , Jingfang Liu , Haomin Zhou

The impedance network (IN) model is gaining popularity in the oscillation analysis of wind farms. However, the construction of such an IN model requires impedance curves of each wind turbine under their respective operating conditions,…

信号处理 · 电气工程与系统科学 2025-07-22 Xiaojuan Zhang , Tianyu Jiang , Haoxiang Zong , Chen Zhang , Chendan Li , Marta Molinas

Encoder-decoder transformer models have achieved great success on various vision-language (VL) tasks, but they suffer from high inference latency. Typically, the decoder takes up most of the latency because of the auto-regressive decoding.…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Peng Tang , Pengkai Zhu , Tian Li , Srikar Appalaraju , Vijay Mahadevan , R. Manmatha

The decomposition of a signal is a fundamental tool in many fields of research, including signal processing, geophysics, astrophysics, engineering, medicine, and many more. By breaking down complex signals into simpler oscillatory…

数值分析 · 数学 2024-12-03 Roberto Cavassi , Antonio Cicone , Enza Pellegrino , Haomin Zhou

In some Internet of Things (IoT) applications, multi-path propagation is a main constraint of communication channel. Recently, the chaotic baseband wireless communication system (CBWCS) is promising to eliminate the inter-symbol…

信号处理 · 电气工程与系统科学 2022-03-29 Hui-Ping Yin , Chao Bai , Hai-Peng Ren

Energy theft, characterized by manipulating energy consumption readings to reduce payments, poses a dual threat-causing financial losses for grid operators and undermining the performance of smart grids. Effective Energy Theft Detection…

机器学习 · 计算机科学 2024-01-17 Xun Yuan , Yang Yang , Asif Iqbal , Prosanta Gope , Biplab Sikdar

Inspection of insulators is important to ensure reliable operation of the power system. Deep learning is being increasingly exploited to automate the inspection process by leveraging object detection models to analyse aerial images captured…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Laya Das , Blazhe Gjorgiev , Giovanni Sansavini

In order to reduce the muscle artifacts in multi-channel pervasive Electroencephalogram (EEG) signals, we here propose and compare two hybrid algorithms by combining the concept of wavelet packet transform (WPT), empirical mode…

医学物理 · 物理学 2014-10-22 Valentina Bono , Wasifa Jamal , Saptarshi Das , Koushik Maharatna