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Lowering the noise level of short pulse lasers has been a long-standing effort for decades. Modeling the noise performance plays a crucial role in isolating the noise sources and reducing them. Modeling to date has either used analytical or…

应用物理 · 物理学 2018-10-17 Shaokang Wang , Thomas F. Carruthers , Curtis R. Menyuk

Computing circuits composed of noisy logical gates and their ability to represent arbitrary Boolean functions with a given level of error are investigated within a statistical mechanics setting. Bounds on their performance, derived in the…

无序系统与神经网络 · 物理学 2015-05-14 Alexander Mozeika , David Saad , Jack Raymond

Generative diffusion models have emerged as leading models in speech and image generation. However, in order to perform well with a small number of denoising steps, a costly tuning of the set of noise parameters is needed. In this work, we…

机器学习 · 计算机科学 2021-09-14 Robin San-Roman , Eliya Nachmani , Lior Wolf

A better understanding of the noise causing qubit decoherence is crucial for improving qubit performance. The noise spectrum affecting the qubit may be extracted by measuring dephasing under the application of pulse sequences but requires…

量子物理 · 物理学 2013-01-10 Thomas Fink , Hendrik Bluhm

In many applications, such as development and testing of image processing algorithms, it is often necessary to simulate images containing realistic noise from solid-state photosensors. A high-level model of CCD and CMOS photosensors based…

天体物理仪器与方法 · 物理学 2014-12-15 Mikhail Konnik , James Welsh

With experimental quantum computing technologies now in their infancy, the search for efficient means of testing the correctness of these quantum computations is becoming more pressing. An approach to the verification of quantum computation…

量子物理 · 物理学 2018-04-18 Alexandru Gheorghiu , Matty J. Hoban , Elham Kashefi

The estimation of the decay rate of a signal section is an integral component of both blind and non-blind reverberation time estimation methods. Several decay rate estimators have previously been proposed, based on, e.g., linear regression…

声音 · 计算机科学 2015-10-02 Christian Schüldt , Peter Händel

Spectral characterization of noise environments that lead to the decoherence of qubits is critical to developing robust quantum technologies. While dynamical decoupling offers one of the most successful approaches to characterize noise…

量子物理 · 物理学 2024-05-21 Arian Vezvaee , Nanako Shitara , Shuo Sun , Andrés Montoya-Castillo

The presence of noise in quantum computers hinders their effective operation. Even though quantum error correction can theoretically remedy this problem, its practical realization is still a challenge. Testing and benchmarking noisy,…

量子物理 · 物理学 2023-02-15 Adrian Ortega , Orsolya Kálmán , Tamás Kiss

To model printing noise a binary noisy channel and a set of controlled gates are introduced. The channel input is an image created by a halftoning algorithm and its output is the printed picture. Using this channel robustness to noise…

其他计算机科学 · 计算机科学 2015-03-19 V. N. Gorbachev , E. S. Yakovleva

This paper considers least-square based estimation of the amplitude and square amplitude of a quantized sine wave, done by considering random initial record phase. Using amplitude- and frequency-domain modeling techniques, it is shown that…

信号处理 · 电气工程与系统科学 2018-04-23 Paolo Carbone , Johan Schoukens

Existing image complexity metrics cannot distinguish meaningful content from noise. This means that white noise images, which contain no meaningful information, are judged as highly complex. We present a new image complexity metric through…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Louis Mahon , Thomas Lukasiewicz

Image noise is ubiquitous in photography. However, image noise is not compressible nor desirable, thus attempting to convey the noise in compressed image bitstreams yields sub-par results in both rate and distortion. We propose to…

图像与视频处理 · 电气工程与系统科学 2023-07-13 Benoit Brummer , Christophe De Vleeschouwer

Data assimilation performance can be significantly impacted by biased noise in observations, altering the signal magnitude and introducing fast oscillations or discontinuities when the system lacks smoothness. To mitigate these issues, this…

数值分析 · 数学 2024-11-05 Felipe Galarce , Joaquin Mura , Alfonso Caiazzo

As commonly understood, the noise spectroscopy problem---characterizing the statistical properties of a noise process affecting a quantum system by measuring its response---is ill-posed. Ad-hoc solutions assume implicit structure which is…

Photogates are probably the most commonly used electronic instruments to aid experiments in the field of mechanics. Although they are offered by many manufacturers, they can be too expensive to be widely used in all classrooms, in multiple…

科普物理 · 物理学 2014-03-17 Zoltán Gingl , Róbert Mingesz , Péter Makra , János Mellár

This paper proposes a class of resilient state estimators for LTV discrete-time systems. The dynamic equation of the system is assumed to be affected by a bounded process noise. As to the available measurements, they are potentially…

系统与控制 · 电气工程与系统科学 2024-09-23 Alexandre Kircher , Laurent Bako , Eric Blanco , Mohamed Benallouch

Quantization has become a predominant approach for model compression, enabling deployment of large models trained on GPUs onto smaller form-factor devices for inference. Quantization-aware training (QAT) optimizes model parameters with…

机器学习 · 计算机科学 2022-12-13 Zheng Wang , Juncheng B Li , Shuhui Qu , Florian Metze , Emma Strubell

The increasing capacity of modern computers, driven by Moore's Law, is accompanied by smaller noise margins and higher error rates. In this paper we propose a memory device, consisting of a ring of two identical overdamped bistable…

适应与自组织系统 · 物理学 2009-11-05 S. A. Ibáñez , P. I. Fierens , G. A. Patterson , R. P. J. Perazzo , D. F. Grosz

The one-bit quantization is implemented by one single comparator that operates at low power and a high rate. Hence one-bit compressive sensing (1bit-CS) becomes attractive in signal processing. When measurements are corrupted by noise…

信息论 · 计算机科学 2018-03-20 Xiaolin Huang , Lei Shi , Ming Yan , Johan A. K. Suykens