中文
相关论文

相关论文: Walsh-domain Neural Network for Power Amplifier Be…

200 篇论文

Probabilistic Linear Discriminant Analysis (PLDA) is a popular tool in open-set classification/verification tasks. However, the Gaussian assumption underlying PLDA prevents it from being applied to situations where the data is clearly…

音频与语音处理 · 电气工程与系统科学 2020-05-26 Lantian Li , Dong Wang , Thomas Fang Zheng

Graph neural network architectures aligned with the $k$-dimensional Weisfeiler--Leman ($k$-WL) hierarchy offer theoretically well-understood expressive power. However, these architectures often fail to deliver state-of-the-art predictive…

机器学习 · 计算机科学 2024-06-06 Luis Müller , Christopher Morris

The combination of linear transformations and non-linear activation functions forms the foundation of most modern deep neural networks, enabling them to approximate highly complex functions. This paper explores the introduction of quadratic…

机器学习 · 计算机科学 2025-10-07 Qian Chen , Linxin Yang , Akang Wang , Xiaodong Luo , Yin Zhang

In this paper, we propose a scheme that utilizes the optimization ability of artificial intelligence (AI) for optimal transceiver-joint equalization in compensating for the optical filtering impairments caused by wavelength selective…

信号处理 · 电气工程与系统科学 2021-09-29 Zhiqun Zhai , Hexun Jiang , Mengfan Fu , Lei Liu , Lilin Yi , Weisheng Hu , Qunbi Zhuge

In this paper, we describe a novel framework for digital predistortion (DPD) based linearization of strongly nonlinear millimeter-wave active antenna arrays. Specifically, we formulate a piecewise (PW) closed-loop (CL) DPD solution and…

信号处理 · 电气工程与系统科学 2020-06-03 Alberto Brihuega , Mahmoud Abdelaziz , Lauri Anttila , Matias Turunen , Markus Allén , Thomas Eriksson , Mikko Valkama

MLP-like models built entirely upon multi-layer perceptrons have recently been revisited, exhibiting the comparable performance with transformers. It is one of most promising architectures due to the excellent trade-off between network…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Kecheng Zheng , Yang Cao , Kai Zhu , Ruijing Zhao , Zheng-Jun Zha

In this paper we study a transmission power tune problem with densely deployed 802.11 Wireless Local Area Networks (WLANs). While previous papers emphasize on tuning transmission power with either PHY or MAC layer separately, optimally…

系统与控制 · 计算机科学 2013-09-17 Yang Liu , Mingyan Liu , Jing Deng

Window-based transformers have demonstrated outstanding performance in super-resolution tasks due to their adaptive modeling capabilities through local self-attention (SA). However, they exhibit higher computational complexity and inference…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Zhenyu Hu , Wanjie Sun

This paper studies generalization capabilities of neural networks (NNs) using new and improved PyTorch library Loss Landscape Analysis (LLA). LLA facilitates visualization and analysis of loss landscapes along with the properties of NN…

机器学习 · 计算机科学 2025-02-06 Nikita Gabdullin

Reconstructing large-scale latent networks from observed dynamics is crucial for understanding complex systems. However, the existing methods based on compressive sensing are often rendered infeasible in practice by prohibitive…

统计理论 · 数学 2025-08-20 Zhaoyu Xing , Wei Zhong

Due to their intrinsic capabilities on parallel signal processing, optical neural networks (ONNs) have attracted extensive interests recently as a potential alternative to electronic artificial neural networks (ANNs) with reduced power…

信号处理 · 电气工程与系统科学 2024-03-05 Yi-Feng Liu , Rui-Yao Ren , Dai-Bao Hou , Hai-Zhong Weng , Bo-Wen Wang , Ke-Jie Huang , Xing Lin , Feng Liu , Chen-Hui Li , Chao-Yuan Jin

In this work, we propose a modified Hybrid Parallel Kolmogorov--Arnold Network and Multilayer Perceptron Physics-Informed Neural Network to overcome the high-frequency and multiscale challenges inherent in Physics-Informed Neural Networks.…

数值分析 · 数学 2025-11-27 Qiumei Huang , Xu Wang , Yu Zhao

This paper introduces a novel low-complexity memoryless linearizer for suppression of distortion in analog frontends. It is based on our recently introduced linearizer which is inspired by neural networks, but with orders-of-magnitude lower…

信号处理 · 电气工程与系统科学 2025-09-19 Deijany Rodriguez Linares , Håkan Johansson

The use of up to hundreds of antennas in massive multi-user (MU) multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) poses a complexity challenge for digital predistortion (DPD) aiming to linearize the…

信号处理 · 电气工程与系统科学 2024-10-25 Yibo Wu , Ulf Gustavsson , Mikko Valkama , Alexandre Graell i Amat , Henk Wymeersch

Topological neural networks (TNNs) are information processing architectures that model representations from data lying over topological spaces (e.g., simplicial or cell complexes) and allow for decentralized implementation through localized…

信息论 · 计算机科学 2025-02-17 Simone Fiorellino , Claudio Battiloro , Paolo Di Lorenzo

Power Normalizations (PN) are very useful non-linear operators in the context of Bag-of-Words data representations as they tackle problems such as feature imbalance. In this paper, we reconsider these operators in the deep learning setup by…

计算机视觉与模式识别 · 计算机科学 2018-06-26 Piotr Koniusz , Hongguang Zhang , Fatih Porikli

We propose Walsh-Hadamard Transform Division Multiplexing (WHTDM), a multicarrier waveform that replaces the conventional IFFT/FFT pair in OFDM with a real-valued, unitary Walsh-Hadamard transform (WHT). WHTDM inherits the CP-OFDM…

信号处理 · 电气工程与系统科学 2026-05-15 Wang Hao , Yuan Zhonghao , Chi Yonggang , Zhang Kuang , Tan Chenxing , Yu Jiaxing

While existing end-to-end beamformers achieve impressive performance in various front-end speech processing tasks, they usually encapsulate the whole process into a black box and thus lack adequate interpretability. As an attempt to fill…

声音 · 计算机科学 2022-03-17 Andong Li , Guochen Yu , Chengshi Zheng , Xiaodong Li

Neural operators have emerged as powerful tools for learning solution operators of partial differential equations (PDEs). However, standard spectral methods based on Fourier transforms struggle with problems involving discontinuous…

计算物理 · 物理学 2026-05-20 Giorgio M. Cavallazzi , Miguel Pérez Cuadrado , Alfredo Pinelli

Non-parametric, additive models are able to capture complex data dependencies in a flexible, yet interpretable way. However, choosing the format of the additive components often requires non-trivial data exploration. Here, as an…

机器学习 · 计算机科学 2022-02-23 Oskar Allerbo , Rebecka Jörnsten