中文
相关论文

相关论文: The ESPRIT algorithm under high noise: Optimal err…

200 篇论文

Faster than Nyquist signaling increases the spectral efficiency of pulse amplitude modulation by accepting intersymbol interference, where an equalizer is needed at the receiver. Since the complexity of an optimal equalizer increases…

信号处理 · 电气工程与系统科学 2023-01-13 Youssef Jaffal , Alex Alvarado

This work investigates the parameter estimation performance of super-resolution line spectral estimation using atomic norm minimization. The focus is on analyzing the algorithm's accuracy of inferring the frequencies and complex magnitudes…

信息论 · 计算机科学 2018-10-24 Qiuwei Li , Gongguo Tang

Speech emotion recognition (SER) often experiences reduced performance due to background noise. In addition, making a prediction on signals with only background noise could undermine user trust in the system. In this study, we propose a…

音频与语音处理 · 电气工程与系统科学 2023-09-06 Yu-Wen Chen , Julia Hirschberg , Yu Tsao

The capability for environmental sound recognition (ESR) can determine the fitness of individuals in a way to avoid dangers or pursue opportunities when critical sound events occur. It still remains mysterious about the fundamental…

神经与进化计算 · 计算机科学 2019-02-05 Qiang Yu , Yanli Yao , Longbiao Wang , Huajin Tang , Jianwu Dang , Kay Chen Tan

While several numerical techniques are available for predicting the dynamics of non-Markovian open quantum systems, most struggle with simulations for very long memory and propagation times, e.g., due to superlinear scaling with the number…

量子物理 · 物理学 2025-05-01 Moritz Cygorek , Jonathan Keeling , Brendon W. Lovett , Erik M. Gauger

The most frequently used condition for sampling matrices employed in compressive sampling is the restricted isometry (RIP) property of the matrix when restricted to sparse signals. At the same time, imposing this condition makes it…

信息论 · 计算机科学 2013-03-11 Alexander Barg , Arya Mazumdar , Rongrong Wang

Early prediction of seizures and timely interventions are vital for improving patients' quality of life. While seizure prediction has been shown in software-based implementations, to enable timely warnings of upcoming seizures, prediction…

信号处理 · 电气工程与系统科学 2024-11-12 Aviral Pandey , Adelson Chua , Ryan Kaveh , Justin Doong , Rikky Muller

Frequency estimation from measurements corrupted by noise is a fundamental challenge across numerous engineering and scientific fields. Among the pivotal factors shaping the resolution capacity of any frequency estimation technique are…

信号处理 · 电气工程与系统科学 2024-09-23 Sampath Kumar Dondapati , Omkar Nitsure , Satish Mulleti

We introduce a comprehensive framework for the detection and demodulation of covert electromagnetic signals using solid-state spin sensors. Our approach, named RAPID, is a two-stage hybrid strategy that leverages nitrogen-vacancy (NV)…

量子物理 · 物理学 2025-09-11 Amirhossein Taherpour , Abbas Taherpour , Tamer Khattab

The statistical problem of parameter estimation in partially observed hypoelliptic diffusion processes is naturally occurring in many applications. However, due to the noise structure, where the noise components of the different coordinates…

统计方法学 · 统计学 2018-11-13 Susanne Ditlevsen , Adeline Samson

Phase estimation in quantum interferometry is a major scenario where the quantum advantage is significantly revealed. Recently, the optimal finite-dimensional probe states (OFPSs) for phase estimation in two-mode quantum interferometry have…

量子物理 · 物理学 2026-05-07 Jin-Feng Qin , Jing Liu

In this paper we introduce two new algorithms for stable approximation with and recovery of short cosine sums. The used signal model contains cosine terms with arbitrary real positive frequency parameters and therefore strongly generalizes…

数值分析 · 数学 2022-04-08 Nadiia Derevianko , Gerlind Plonka , Raha Razavi

We develop an efficient and robust high-dimensional sparse Fourier algorithm for noisy samples. Earlier in the paper ``Multi-dimensional sublinear sparse Fourier algorithm" (2016), an efficient sparse Fourier algorithm with $\Theta(ds \log…

数值分析 · 数学 2019-07-09 Bosu Choi , Andrew Christlieb , Yang Wang

Identifying quantum resources for quantum sensing is of paramount importance. Up to date, two quantum resources has been widely recognized: the number $N$ of entangled quantum probes and the coherent evolution time $T$. Here we identify the…

量子物理 · 物理学 2024-05-28 Qi Chai , Wen Yang

Newton-step approximations to pseudo maximum likelihood estimates of spatial autoregressive models with a large number of parameters are examined, in the sense that the parameter space grows slowly as a function of sample size. These have…

计量经济学 · 经济学 2021-05-25 Abhimanyu Gupta

This paper considers fundamental limits for solving sparse inverse problems in the presence of Poisson noise with physical constraints. Such problems arise in a variety of applications, including photon-limited imaging systems based on…

统计理论 · 数学 2014-03-27 Xin Jiang , Garvesh Raskutti , Rebecca Willett

Noise is the defining feature of the NISQ era, but it remains unclear if noisy quantum devices are capable of quantum speedups. Quantum supremacy experiments have been a major step forward, but gaps remain between the theory behind these…

量子物理 · 物理学 2022-03-08 Adam Bouland , Bill Fefferman , Zeph Landau , Yunchao Liu

In this article, we consider the problem of outlier-robust state estimation where the measurement noise can be correlated. Outliers in data arise due to many reasons like sensor malfunctioning, environmental behaviors, communication…

信号处理 · 电气工程与系统科学 2024-08-21 Aamir Hussain Chughtai , Muhammad Tahir , Momin Uppal

This work presents a novel Initial Ranging scheme for orthogonal frequency-division multiple-access networks. Users that intend to establish a communication link with the base station (BS) are normally misaligned both in time and frequency…

信息论 · 计算机科学 2008-07-17 Luca Sanguinetti , Michele Morelli , H. Vincent Poor

Phase-only compressed sensing (PO-CS) concerns the recovery of sparse signals from the phases of complex measurements. Recent results show that sparse signals in the standard sphere $\mathbb{S}^{n-1}$ can be exactly recovered from complex…

信息论 · 计算机科学 2026-04-07 Junren Chen , Michael K. Ng , Jonathan Scarlett