Francisco Alegria

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Associate Professor

Instituto Superior Técnico

Portugal

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Professors in Portugal Professors in Signal Processing Signal Processing professors in Portugal

About

Dr. Francisco Alegria is an Associate Professor at Instituto Superior Técnico in Portugal. His research primarily focuses on signal processing, including studies on phase noise, jitter, and their effects on sinusoidal amplitude estimation and root mean square calculations. Recent publications highlight his work in SNR estimation uncertainty in ADC testing and damage imaging in CFRP plates. Dr. Alegria's contributions advance methodologies in precision estimation amidst various noise factors.

Recent Grants

Grant: Close

Uncertainty in the Discrete Fourier Transform

Open Date: 2023-07-01

Close Date: 2023-12-31

Grant: Close

Instituto de Telecomunicações

Open Date: 2019-01-01

Close Date: 2019-12-31

Grant: Close

Caracterização experimental da interacção entre os escoamentos superficial e na zona hiporreica em canais com vegetação emersa.

Open Date: 2012-03-19

Close Date: 2015-09-18

Grant: Close

Morfodinâmica de confluências fluviais

Open Date: 2012-02-01

Close Date: 2015-07-31

Grant: Close

Projecto Estratégico - LA 8 - 2011-2012

Open Date: 2011-01-01

Close Date: 2012-12-31

Articles (10)

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2025

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2025

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2025

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2025

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2025

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2025

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2025

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2025

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2024

Collaborators (1)

Helena G. Ramos

Universidade de Aveiro

PORTUGAL

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Francisco Alegria

Research Interests

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About

Recent Grants

Articles (10)

Sine-Fitting Residual Root Mean Square, Mean, and Variance in the Presence of Phase Noise or Jitter

SNR Estimation Uncertainty in ADC Testing Caused by Additive Noise with Experimental Validation

Analytical derivation of sinusoidal offset estimation for finite-time series in the presence of phase noise or jitter

Expected value of the root mean square of sinefitting residuals in the presence of phase noise or sampling jitter

Contribution of Jitter and Phase Noise to the Precision of Sinusoidal Amplitude Estimation Using Coherent Sampling

Experimental validation of the precision of sinusoidal amplitude estimation using a least squares procedure in the presence of additive noise

Damage Imaging in a CFRP Plate using UGW-based Handheld Probe

Estimation of the Root Mean Square of the Residuals of Sine Fitting in the Presence of Phase Noise or Jitter

Phase Noise Influence on the Transfer Function Estimation of Analog to Digital Converters Using the Histogram Method

Uncertainty of the initial phase estimation of a sinewave in the presence of phase noise, additive noise or jitter

Collaborators (1)

Helena G. Ramos

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