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相关论文: Performance Analysis of Analog Intermittently Nonl…

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Asynchronous and cyclostationary impulsive noise can severely impact the bit-error-rate (BER) of OFDM-based powerline communication systems. In this paper, we analyze an adaptive nonlinear analog front end filter that mitigates various…

信号处理 · 电气工程与系统科学 2017-12-12 Reza Barazideh , Balasubramaniam Natarajan , Alexei V. Nikitin , Ruslan L. Davidchack

It is well known that the performance of OFDM-based Powerline Communication (PLC) systems is impacted by impulsive noise. In this work, we propose a practical blind adaptive analog nonlinear filter to efficiently detect and mitigate…

信号处理 · 电气工程与系统科学 2018-03-02 Reza Barazideh , Alexei V. Nikitin , Balasubramaniam Natarajan

In addition to ever-present thermal noise, communication and sensor systems can contain significant amounts of interference with outlier (e.g. impulsive) characteristics. Such outlier interference (including that caused by nonlinear signal…

信号处理 · 电气工程与系统科学 2019-07-10 Alexei V. Nikitin , Ruslan L. Davidchack

When interference affecting various communication and sensor systems contains clearly identifiable outliers (e.g. an impulsive component), it can be efficiently mitigated in real time by intermittently nonlinear filters developed in our…

信号处理 · 电气工程与系统科学 2019-06-05 Alexei V. Nikitin , Ruslan L. Davidchack

In addition to ever-present thermal noise, various communication and sensor systems can contain significant amounts of interference with outlier (e.g. impulsive) characteristics. Such outlier noise can be efficiently mitigated in real-time…

信号处理 · 电气工程与系统科学 2019-05-28 Alexei V. Nikitin , Ruslan L. Davidchack

Impulsive noise is a major impediment to orthogonal frequency-division multiplexing (OFDM) based underwater acoustic (UWA) communications. In this work, we evaluate the performance of a memoryless analog nonlinear preprocessor (MANP) that…

信号处理 · 电气工程与系统科学 2019-01-03 Reza Barazideh , Wensheng Sun , Balasubramaniam Natarajan , Alexei V. Nikitin , Zhaohui Wang

In this paper, we introduce a novel regularization method called Adversarial Noise Layer (ANL) and its efficient version called Class Adversarial Noise Layer (CANL), which are able to significantly improve CNN's generalization ability by…

计算机视觉与模式识别 · 计算机科学 2018-10-31 Zhonghui You , Jinmian Ye , Kunming Li , Zenglin Xu , Ping Wang

A simple procedure for the design of recursive digital filters with an infinite impulse response (IIR) and non-recursive digital filters with a finite impulse response (FIR) is described. The fixed-lag smoothing filters are designed to…

信号处理 · 电气工程与系统科学 2025-07-22 Hugh Lachlan Kennedy

Efficient removal of impulsive noise (IN) from received signal is essential in many communication applications. In this paper, we propose a two stage IN mitigation approach for orthogonal frequency-division multiplexing (OFDM)-based…

信号处理 · 电气工程与系统科学 2019-01-03 Reza Barazideh , Solmaz Niknam , Balasubramaniam Natarajan

This paper is concerned with dynamic system state estimation based on a series of noisy measurement with the presence of outliers. An incremental learning assisted particle filtering (ILAPF) method is presented, which can learn the value…

统计方法学 · 统计学 2018-02-02 Bin Liu

Removing noise from the any processed images is very important. Noise should be removed in such a way that important information of image should be preserved. A decisionbased nonlinear algorithm for elimination of band lines, drop lines,…

计算机视觉与模式识别 · 计算机科学 2022-04-22 S. K. Satpathy , S. Panda , K. K. Nagwanshi , S. K. Nayak , C. Ardil

With the increasing use of nonlinear devices in both generation and consumption of power, it is essential that we develop accurate and quick control for active filters to suppress harmonics. Time delays between input and output are…

系统与控制 · 电气工程与系统科学 2024-10-04 Dixant Bikal Sapkota , Puskar Neupane , Kajal Pokharel , Shahabuddin Khan

This paper introduces an active learning (AL) framework for anomalous sound detection (ASD) in machine condition monitoring system. Typically, ASD models are trained solely on normal samples due to the scarcity of anomalous data, leading to…

声音 · 计算机科学 2024-08-13 Tuan Vu Ho , Kota Dohi , Yohei Kawaguchi

High amplitude impulsive noise (IN) occurrence over power line channels severely degrades the performance of Orthogonal Frequency Division Multiplexing (OFDM)systems. One of the simplest methods to reduce IN is to precede the OFDM…

信号处理 · 电气工程与系统科学 2018-07-18 Ferheen Ayaz , Khaled Rabie , Bamidele Adebisi

The future Six-Generation (6G) envisions massive access of wireless devices in the network, leading to more serious interference from concurrent transmissions between wireless devices in the same frequency band. Existing interference…

网络与互联网体系结构 · 计算机科学 2023-08-07 Ruirong Chen , Gaoning He

The autocovariance least squares (ALS) method is a computationally efficient approach for estimating noise covariances in Kalman filters without requiring specific noise models. However, conventional ALS and its variants rely on the classic…

最优化与控制 · 数学 2026-03-10 Jiahong Li , Fang Deng

A new method for designing non-uniform filter-banks for acoustic echo cancellation is proposed. In the method, the analysis prototype filter design is framed as a convex optimization problem that maximizes the signal-to-alias ratio (SAR) in…

声音 · 计算机科学 2014-02-19 R. C. Nongpiur , D. J. Shpak

One of the promising technologies for LTE Evolution is full-duplex radio, an innovation is expected to double the spectral efficiency. To realize full-duplex in practice, the main challenge is overcoming self-interference, and to do so,…

信息论 · 计算机科学 2017-02-16 Min Soo Sim , MinKeun Chung , Dongkyu Kim , Jaehoon Chung , Dong Ku Kim , Chan-Byoung Chae

In future full-duplex communications, the cancellation of self-interference (SI) arising from hardware non-idealities will play an important role in the design of mobile-scale devices. To this end, we introduce an optimal digital SI…

信息论 · 计算机科学 2018-07-18 Zhe Li , Yili Xia , Wenjiang Pei , Kai Wang , Danilo P. Mandic

Most of the literature focuses on the development of the linear active noise control (ANC) techniques. However, ANC systems might have to deal with some nonlinear components and the performance of linear ANC techniques may degrade in this…

机器学习 · 计算机科学 2022-02-15 Lu Lu , Kai-Li Yin , Rodrigo C. de Lamare , Zongsheng Zheng , Yi Yu , Xiaomin Yang , Badong Chen
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