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Early detection of factory machinery malfunctions is crucial in industrial applications. In machine anomalous sound detection (ASD), different machines exhibit unique vibration-frequency ranges based on their physical properties. Meanwhile,…

声音 · 计算机科学 2024-09-10 Kai Li , Khalid Zaman , Xingfeng Li , Masato Akagi , Masashi Unoki

Remote sensing image interpretation plays a critical role in environmental monitoring, urban planning, and disaster assessment. However, acquiring high-quality labeled data is often costly and time-consuming. To address this challenge, we…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Tong Wang , Guanzhou Chen , Xiaodong Zhang , Chenxi Liu , Jiaqi Wang , Xiaoliang Tan , Wenchao Guo , Qingyuan Yang , Kaiqi Zhang

To provide an efficient approach to characterize the input-output mutual information (MI) under additive white Gaussian noise (AWGN) channel, this short report fits the curves of exact MI under multilevel quadrature amplitude modulation…

信息论 · 计算机科学 2019-08-27 Chongjun Ouyang , Sheng Wu , Hongwen Yang

Target sound detection (TSD) aims to detect the target sound from mixture audio given the reference information. Previous works have shown that TSD models can be trained on fully-annotated (frame-level label) or weakly-annotated (clip-level…

声音 · 计算机科学 2022-07-20 Dongchao Yang , Helin Wang , Yuexian Zou , Wenwu Wang

Millimeter wave (mmWave) communication, utilizing beamforming techniques to address the inherent path loss limitation, is considered as one of the key technologies to support ever increasing high throughput and low latency demands of…

网络与互联网体系结构 · 计算机科学 2026-02-17 Muhammad Baqer Mollah , Honggang Wang , Mohammad Ataul Karim , Hua Fang

We propose a multimodal fusion network (MFN) for precise micro-displacement measurement using a modified Michelson interferometer. The model resolves the intrinsic half-wave displacement ambiguity that limits conventional single-wavelength…

光学 · 物理学 2026-03-17 Zixing Jia , Jiawei Li , Ziping Chen , Xin Li

Beamforming techniques are utilized in millimeter wave (mmWave) communication to address the inherent path loss limitation, thereby establishing and maintaining reliable connections. However, adopting standard defined beamforming approach…

网络与互联网体系结构 · 计算机科学 2025-09-16 Muhammad Baqer Mollah , Honggang Wang , Hua Fang

The combination of millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems and index modulation (IM) technique has recently constituted a novel form of mmWave hybrid beamforming. Lots of studies have been conducted to show…

信息论 · 计算机科学 2020-01-08 Jintao Wang , Longzhuang He , Jian Song

Intelligent spectrum management is crucial for improving spectrum efficiency and achieving secure utilization of spectrum resources. However, existing intelligent spectrum management methods, typically based on small-scale models, suffer…

信号处理 · 电气工程与系统科学 2025-12-16 Fuhui Zhou , Chunyu Liu , Hao Zhang , Wei Wu , Qihui Wu , Tony Q. S. Quek , Chan-Byoung Chae

With the rapid growth of data, it is becoming increasingly difficult to train or improve deep learning models with the right subset of data. We show that this problem can be effectively solved at an additional labeling cost by targeted data…

机器学习 · 计算机科学 2021-05-04 Suraj Kothawade , Vishal Kaushal , Ganesh Ramakrishnan , Jeff Bilmes , Rishabh Iyer

We optimize modulation formats for the additive white Gaussian noise channel with nonnegative input, also known as the intensity-modulated direct-detection channel, with and without confining them to a lattice structure. Our optimization…

信息论 · 计算机科学 2015-01-07 Johnny Karout , Erik Agrell , Krzysztof Szczerba , Magnus Karlsson

Modeling the evolution of high-dimensional systems from limited snapshot observations at irregular time points poses a significant challenge in quantitative biology and related fields. Traditional approaches often rely on dimensionality…

机器学习 · 计算机科学 2025-08-07 Justin Lee , Behnaz Moradijamei , Heman Shakeri

Spectral efficiency improvement is a key focus in most wireless communication systems and achieved by various means such as using large antenna arrays and/or advanced modulation schemes and signal formats. This work proposes to further…

信号处理 · 电气工程与系统科学 2022-04-19 Yinglin Chen , Tongyang Xu , Izzat Darwazeh

In this paper, we consider the joint design of the transceivers for a multiple access Multiple Input and Multiple Output (MIMO) system having Inter-Symbol Interference (ISI) channels. The system we consider is equipped with the Minimum Mean…

信息论 · 计算机科学 2008-05-19 Wenwen Jiang , Jian-Kang Zhang , Kon Max Wong

Blind modulation classification is an important step to implement cognitive radio networks. The multiple-input multiple-output (MIMO) technique is widely used in military and civil communication systems. Due to the lack of prior information…

机器学习 · 计算机科学 2020-04-02 Weiheng Jiang , Xiaogang Wu , Bolin Chen , Wenjiang Feng , Yi Jin

Significant inter-symbol interference (ISI) challenges the achievement of reliable, high data-rate molecular communication via diffusion. In this paper, a hybrid modulation based on pulse position and concentration is proposed to mitigate…

信息论 · 计算机科学 2021-04-21 Mustafa Can Gursoy , Daewon Seo , Urbashi Mitra

Femtocell networks are promising for not only improving the coverage but also increasing the capacity of current cellular networks. The interference-limited reality in femtocell networks makes interference management (IM) the key to…

信息论 · 计算机科学 2012-07-04 C. Yang , C. Jiang , M. Wang

This paper presents a novel Sliding Mode Control (SMC) algorithm to handle mismatched uncertainties in systems via a novel Self-Learning Disturbance Observer (SLDO). A computationally efficient SLDO is developed within a framework of…

系统与控制 · 电气工程与系统科学 2021-03-23 Erkan Kayacan

In inertial confinement fusion (ICF), Thomson scattering (TS) is a widely used diagnostic technique for probing plasma conditions. We present a first-principles numerical approach to obtaining scattered light signals of ion acoustic…

等离子体物理 · 物理学 2026-02-24 Ziang Zhu , Yifan Liu , Jun Li , Han Wen , Shihui Cao , Yin Shi , Qing Jia , Chaoxin Chen , Yaoyuan Liu , Hang Zhao , Tao Gong , Zhichao Li , Dong Yang , Jian Zheng

Frequency diverse (FD) radar waveforms are attractive in radar research and practice. By combining two typical FD waveforms, the frequency diverse array (FDA) and the stepped-frequency (SF) pulse train, we propose a general FD waveform…

信息论 · 计算机科学 2016-03-29 Yimin Liu , Le Xiao , Xiqin Wang , Arye Nehorai