Mr. Daniel E. Herrera Profile

Daniel E. Herrera

Digital Back-End and Central Signal Processing Eng at Joint ALMA Observatory

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Publications (5)

Proceedings Article | 9 July 2018 Presentation + Paper

Evaluation of controllers for tuning digitizers in the ALMA interferometer

Daniel Herrera, Alejandro Saez

Proceedings Volume 10708, 107080Y (2018) https://doi.org/10.1117/12.2312958

KEYWORDS: Control systems, Error analysis, Fuzzy logic, Clocks, Interferometers, Antennas, Logic, Signal processing

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Proceedings Article | 19 July 2016 Paper

Low-cost Ku band interferometer for educational purposes

Daniel Herrera, Alejandro Saez, Louise Dauvin

Proceedings Volume 9914, 99143I (2016) https://doi.org/10.1117/12.2232138

KEYWORDS: Interferometers, Signal processing, Ku band, Receptors, Sun, Receivers, Ku band, Oscillators, Bandpass filters, Antennas, Crystals

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Proceedings Article | 19 July 2016 Paper

Detecting anomalies in astronomical signals using machine learning algorithms embedded in an FPGA

Alejandro Saez, Daniel Herrera

Proceedings Volume 9914, 99143B (2016) https://doi.org/10.1117/12.2231491

KEYWORDS: Signal detection, Antennas, Machine learning, Optical correlators, Field programmable gate arrays, Field programmable gate arrays, Neurons, Neural networks, Pathology, Polarization, Reflection

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Proceedings Article | 23 July 2014 Paper

Measuring the first two statistics moments using the Correlator resources

A. Saez, D. Herrera, Jorge Sepulveda

Proceedings Volume 9153, 91532K (2014) https://doi.org/10.1117/12.2056392

KEYWORDS: Optical correlators, Antennas, Error analysis, Quantization, Signal attenuation, Field programmable gate arrays, Correlation function, Telescopes, Logic, Statistical analysis

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Proceedings Article | 23 July 2014 Paper

Detecting loss of coherence based on telescope calibration results in ALMA

A. Saez, A. Tejada, D. Herrera, Jorge Sepulveda

Proceedings Volume 9153, 91532I (2014) https://doi.org/10.1117/12.2056298

KEYWORDS: Calibration, Antennas, Telescopes, X band, Signal attenuation, Polarization, Error analysis, Signal detection, Signal processing, Fused deposition modeling

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