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

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The standard normalization method for neural network (NN) models used in Natural Language Processing (NLP) is layer normalization (LN). This is different than batch normalization (BN), which is widely-adopted in Computer Vision. The…

计算与语言 · 计算机科学 2021-04-21 Sheng Shen , Zhewei Yao , Amir Gholami , Michael W. Mahoney , Kurt Keutzer

This paper presents the first-ever highly linear and load-insensitive three-way load-modulation power amplifier (PA) based on reconfigurable hybrid asymmetrical load modulated balanced amplifier (H-ALMBA). Through proper amplitude and phase…

系统与控制 · 电气工程与系统科学 2024-03-28 Jiachen Guo , Yuchen Cao , Kenle Chen

Wideband power amplifiers exhibit complex nonlinear and memory effects that challenge traditional behavioral modeling approaches. This paper proposes a novel amplitude conditioned long short-term memory (AC-LSTM) network that introduces…

机器学习 · 计算机科学 2026-03-03 Abdelrahman Abdelsalam , You Fei

We investigate neural network (NN) assisted techniques for compensating the non-linear behaviour and the memory effect of a 5G PA through digital predistortion (DPD). Traditionally, the most prevalent compensation technique computes the…

信号处理 · 电气工程与系统科学 2020-03-31 Alexandru Cioba , Alvin Chua , Da-shan Shiu , Ting-Hsun Kuo , Chia-Sheng Peng

The use of deep neural network (DNN) models as surrogates for linear and nonlinear structural dynamical systems is explored. The goal is to develop DNN based surrogates to predict structural response, i.e., displacements and accelerations,…

机器学习 · 计算机科学 2021-11-05 Nan Feng , Guodong Zhang , Kapil Khandelwal

Orthogonal frequency-division multiplexing (OFDM) is widely used in modern wireless networks thanks to its efficient handling of multipath environment. However, it suffers from a poor peak-to-average power ratio (PAPR) which requires a…

信息论 · 计算机科学 2021-07-01 Mathieu Goutay , Fayçal Ait Aoudia , Jakob Hoydis , Jean-Marie Gorce

Convolutional neural network (CNN) architectures utilize downsampling layers, which restrict the subsequent layers to learn spatially invariant features while reducing computational costs. However, such a downsampling operation makes it…

计算机视觉与模式识别 · 计算机科学 2018-04-02 Akito Takeki , Daiki Ikami , Go Irie , Kiyoharu Aizawa

We propose a unified Transformer-based architecture for wireless signal processing tasks, offering a low-latency, task-adaptive alternative to conventional receiver pipelines. Unlike traditional modular designs, our model integrates channel…

信号处理 · 电气工程与系统科学 2025-09-11 Yuto Kawai , Rajeev Koodli

In this paper, we provide a novel framework for efficient digital predistortion (DPD) based linearization of active antenna arrays with multiple and mutually different nonlinear power amplifiers. The proposed method builds on the use of a…

信号处理 · 电气工程与系统科学 2019-07-19 Alberto Brihuega , Mahmoud Abdelaziz , Matias Turunen , Thomas Eriksson , Lauri Anttila , Mikko Valkama

In this paper, we discuss the behavior of a linear classical parametric amplifier (PA) in the presence of white noise and give theoretical estimates of the noise spectral density based on approximate Green's functions obtained by using…

经典物理 · 物理学 2022-11-08 Adriano A. Batista , A. A. Lisboa de Souza

This study introduces PINN4PF, an end-to-end deep learning architecture for power flow (PF) analysis that effectively captures the nonlinear dynamics of large-scale modern power systems. The proposed neural network (NN) architecture…

系统与控制 · 电气工程与系统科学 2026-01-13 Zeynab Kaseb , Stavros Orfanoudakis , Pedro P. Vergara , Peter Palensky

Noiseless linear amplification (NLA) is useful for a wide variety of quantum protocols. Here we propose a fully scalable amplifier which, for asymptotically large sizes, can perform perfect fidelity NLA on any quantum state. Given finite…

量子物理 · 物理学 2023-09-14 Joshua J. Guanzon , Matthew S. Winnel , Austin P. Lund , Timothy C. Ralph

High Peak-to-Average Power Ratio (PAPR) is still a common issue in multicarrier signal modulation systems such as Orthogonal Chirp Division Multiplexing (OCDM) and Affine Frequency Division Multiplexing (AFDM), which are envisioned to play…

信号处理 · 电气工程与系统科学 2025-05-06 Afan Ali , Abdelali Arous , Huseyin Arslan

This paper presents an unsupervised multi-modal learning system that learns associative representation from two input modalities, or channels, such that input on one channel will correctly generate the associated response at the other and…

神经与进化计算 · 计算机科学 2014-01-14 Ti Wang , Daniel L. Silver

We present a quantum algorithm for estimating the amplitude content of user-specified sequency bands in quantum-encoded signals. The method employs a sequency-ordered Quantum Walsh-Hadamard Transform (QWHT), a comparator-based oracle that…

量子物理 · 物理学 2026-02-10 Alok Shukla , Prakash Vedula

Neural network-based methods have recently demonstrated state-of-the-art results on image synthesis and super-resolution tasks, in particular by using variants of generative adversarial networks (GANs) with supervised feature losses.…

声音 · 计算机科学 2019-03-22 Sung Kim , Visvesh Sathe

Neuromorphic architectures, which incorporate parallel and in-memory processing, are crucial for accelerating artificial neural network (ANN) computations. This work presents a novel memristor-based multi-layer neural network (memristive…

新兴技术 · 计算机科学 2025-07-29 Santlal Prajapat , Manobendra Nath Mondal , Susmita Sur-Kolay

Linear and nonlinear distortions in optical communication signals are equalized using an integrated feed-forward Photonic Neural Network (PNN). The PNN is based on a linear stage made of an 8-tap Finite Impulse Response (FIR) filter,…

光学 · 物理学 2025-07-21 Emiliano Staffoli , Elisabetta Ferri , Stefano Gretter , Lorenzo Pavesi

We introduce a parametric nonlinear transformation that is well-suited for Gaussianizing data from natural images. The data are linearly transformed, and each component is then normalized by a pooled activity measure, computed by…

机器学习 · 计算机科学 2021-01-19 Johannes Ballé , Valero Laparra , Eero P. Simoncelli

Deep convolutional neural networks (CNNs) have been shown to be very successful in a wide range of image processing applications. However, due to their increasing number of model parameters and an increasing availability of large amounts of…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Axel Klawonn , Martin Lanser , Janine Weber