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By exploiting the correlation properties of ultracold atoms in a multi-mode interferometer, we show how quantum enhanced measurement precision can be achieved with strong robustness to particle loss. While the potential for enhanced…

量子物理 · 物理学 2012-04-03 J. J. Cooper , D. W. Hallwood , J. A. Dunningham , J. Brand

Broadband wireless channels usually have the sparse nature. Based on the assumption of Gaussian noise model, adaptive filtering algorithms for reconstruction sparse channels were proposed to take advantage of channel sparsity. However,…

信息论 · 计算机科学 2015-02-20 Guan Gui , Li Xu , Wentao Ma , Badong Chen

We investigated the preservation of information encoded into the relative phase and amplitudes of optical pulses during storage and retrieval in an optical memory based on stimulated photon echo. By interfering photon echoes produced in a…

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

Most existing image denoising algorithms can only deal with a single type of noise, which violates the fact that the noisy observed images in practice are often suffered from more than one type of noise during the process of acquisition and…

多媒体 · 计算机科学 2016-11-18 Jian Zhang , Ruiqin Xiong , Chen Zhao , Siwei Ma , Debin Zhao

We introduce a novel control method for robust quantum information processing suited for quantum integrated photonics. We utilize off-resonant detunings as control parameters to derive a new family of composite pulses for high-fidelity…

量子物理 · 物理学 2019-10-02 Elica Kyoseva , Hadar Greener , Haim Suchowski

Biological measurements are often contaminated with large amounts of non-stationary noise which require effective noise reduction techniques. We present a new real-time deep learning algorithm which produces adaptively a signal opposing the…

信号处理 · 电气工程与系统科学 2022-09-27 Bernd Porr , Sama Daryanavard , Lucía Muñoz Bohollo , Henry Cowan , Bernd Porr , Ravinder Dahiya

This paper investigates the effect of oscillator phase noise on a multiuser millimeter wave (mmWave) massive MIMO uplink as we scale up the number of base station antennas, fixing the load factor, defined as the ratio of the number of…

信号处理 · 电气工程与系统科学 2019-10-22 Maryam Eslami Rasekh , Mohammed Abdelghany , Upamanyu Madhow , Mark Rodwell

For coherent and direct-detection Orthogonal Frequency Division Multiplexed (OFDM) systems employing radio frequency (RF) pilot tone phase noise cancellation the influence of laser phase noise is evaluated. Novel analytical results for the…

其他计算机科学 · 计算机科学 2016-08-01 Gunnar Jacobsen , Leonid G. Kazovsky , Tianhua Xu , Sergei Popov , Jie Li , Yimo Zhang , Ari T. Friberg

We design, test, and analyze fiber-optic voltage sensors based on optical reflection from a piezoelectric transducer. By controlling the physical dimensions of the device, we can tune the frequency of its natural resonance to achieve a…

系统与控制 · 电气工程与系统科学 2021-08-02 Joseph M. Lukens , Nicholas Lagakos , Victor Kaybulkin , Christopher J. Vizas , Daniel J. King

In a multi-user millimeter (mm) wave communication system, we consider the problem of estimating the channel response between the central node (base station) and each of the user equipments (UE). We propose three different strategies: 1)…

信息论 · 计算机科学 2017-03-17 Manoj A , Arun Pachai Kannu

Phase noise correction is crucial to exploit full advantage of orthogonal frequency division multiplexing (OFDM) in modern high-data-rate communications. OFDM channel estimation with simultaneous phase noise compensation has therefore drawn…

信息论 · 计算机科学 2017-04-25 Zhongju Wang , Prabhu Babu , Daniel P. Palomar

We consider the problem of output feedback regulationfor a linear first-order hyperbolic system with collocatedinput and output in presence of a general class of disturbancesand noise. The proposed control law is designed through…

偏微分方程分析 · 数学 2017-10-20 Pierre-Olivier Lamare , Jean Auriol , Florent Di Meglio , Ulf Jakob F. Aarsnes

This note extends a recently proposed algorithm for model identification and robust MPC of asymptotically stable, linear time-invariant systems subject to process and measurement disturbances. Independent output predictors for different…

系统与控制 · 电气工程与系统科学 2021-03-02 Enrico Terzi , Lorenzo Fagiano , Marcello Farina , Riccardo Scattolini

Motion simulators are widely employed in basic and applied research to study the neural mechanisms of perception and action under inertial stimulations. In these studies, uncontrolled simulator-introduced noise inevitably leads to a…

系统与控制 · 计算机科学 2015-06-17 Alessandro Nesti , Karl A Beykirch , Paul R MacNeilage , Michael Barnett-Cowan , Heinrich H Bülthoff

Departing from traditional communication theory where decoding algorithms are assumed to perform without error, a system where noise perturbs both computational devices and communication channels is considered here. This paper studies…

信息论 · 计算机科学 2010-05-31 Lav R. Varshney

Impulse response estimation in high noise and in-the-wild settings, with minimal control of the underlying data distributions, is a challenging problem. We propose a novel framework for parameterizing and estimating impulse responses based…

声音 · 计算机科学 2022-02-08 Alexander Richard , Peter Dodds , Vamsi Krishna Ithapu

In this article, wavelet OFDM based non-orthogonal-multiple-access (NOMA) combined with massive MIMO system for 6G networks is proposed. For mMIMO transmissions, the proposed system could enhance the performance by utilizing wavelets to…

信息论 · 计算机科学 2023-09-13 Muneeb Ahmad , Soo Young Shin

A polarization switching pulse interleaver is shown to be effective in reducing timing noise due to polarization mode dispersion in time and frequency transfer based on mode-locked lasers and standard single-mode fibres. In closed-loop time…

光学 · 物理学 2025-02-20 Thomas Fordell , Anders E. Wallin , Thomas Lindvall , Kalle Hanhijärvi

Mutation analysis has long been used in classical software testing and has recently been adopted for assessing the robustness of quantum software testing techniques. However, existing studies assume ideal, noiseless execution, overlooking…

软件工程 · 计算机科学 2026-05-14 Sophie Fortz , Eñaut Mendiluze Usandizaga , Shaukat Ali , Paolo Arcaini , Mohammad Reza Mousavi