Results 21 to 30 of about 103,281 (257)

A highly accurate DFT-based parameter estimator for complex exponentials

open access: yesJournal of Telecommunications and Information Technology, 2006
A highly accurate DFT-based complex exponential parameter estimation algorithm is presented in this paper. It will be shown that for large number of samples and high signal to noise ratio (SNR), the phase estimation error variance performance is only 0 ...
Jeffrey Tsui, Sam Reisenfeld
doaj   +1 more source

On the Validity of the Noise Model of Quantization for the Frequency-Domain Amplitude Estimation of Low-Level Sine Waves

open access: yesMetrology and Measurement Systems, 2015
This paper deals with the amplitude estimation in the frequency domain of low-level sine waves, i.e. sine waves spanning a small number of quantization steps of an analog-to-digital converter.
Bellan Diego
doaj   +1 more source

Research on Maximum Likelihood b Value and Confidence Limits Estimation in Doubly Truncated Apparent Frequency–Amplitude Distribution in Rock Acoustic Emission Tests

open access: yesMathematics, 2022
The b value deduced from the Gutenberg–Richter law is an important parameter for sequence and precursory analyses, both in laboratory acoustic emission tests and seismology.
Changgen Xia   +4 more
doaj   +1 more source

Outlier-Robust Truncated Maximum Likelihood Parameter Estimation of Compound-Gaussian Clutter with Inverse Gaussian Texture

open access: yesRemote Sensing, 2022
Compound-Gaussian distributions with inverse Gaussian textures, referred to as the IGCG distributions, are often used to model moderate/high-resolution sea clutter in amplitude.
Chao Tian, Peng-Lang Shui
doaj   +1 more source

Modified Grover operator for quantum amplitude estimation

open access: yesNew Journal of Physics, 2021
In this paper, we propose a quantum amplitude estimation method that uses a modified Grover operator and quadratically improves the estimation accuracy in the ideal case, as in the conventional one using the standard Grover operator.
Shumpei Uno   +6 more
doaj   +1 more source

A review of demodulation techniques for amplitude-modulation atomic force microscopy

open access: yesBeilstein Journal of Nanotechnology, 2017
In this review paper, traditional and novel demodulation methods applicable to amplitude-modulation atomic force microscopy are implemented on a widely used digital processing system.
Michael G. Ruppert   +4 more
doaj   +1 more source

The Quantum Amplitude Estimation Algorithms on Near-Term Devices: A Practical Guide

open access: yesQuantum Reports, 2023
The Quantum Amplitude Estimation (QAE) algorithm is a major quantum algorithm designed to achieve a quadratic speed-up. Until fault-tolerant quantum computing is achieved, being competitive over classical Monte Carlo (MC) remains elusive.
Marco Maronese   +3 more
doaj   +1 more source

An estimate of the K0-K0bar mixing amplitude [PDF]

open access: yesJournal of High Energy Physics, 2001
We computed the B_K parameter on the lattice by using a non-perturbatively improved Wilson action. From our quenched simulation, in the MSbar scheme and at mu=2 GeV, we obtain B_K=0.73(7)^{+0.05}_{-0.01}. To gain some insight in the systematic errors due to the use of the quenched approximation, we also made the unquenched computation with Wilson ...
Becirevic, Damir   +2 more
openaire   +2 more sources

Micro-motion feature extraction of space targets based on sinusoidal frequency modulation Fourier transform

open access: yesThe Journal of Engineering, 2019
The space target can be discriminated from other objects by the micro-motion feature difference. The micro-motion features of a space target with precession include the spinning period, the precession angle and the precession period etc. The main work of
Jian Hu   +4 more
doaj   +1 more source

Amplitude Scale Estimation for Quantization-Based Watermarking [PDF]

open access: yesIEEE Transactions on Signal Processing, 2006
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ivo D. Shterev, Reginald L. Lagendijk
openaire   +2 more sources

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