Browsing by Author "Martí Espelt, Aniol"
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Context-aware lossless and lossy compression of radio frequency signals Martí Espelt, Aniol; Portell de Mora, Jordi; Riba Sagarra, Jaume; Mas Casals, Orestes Miquel (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-28)
Open AccessWe propose an algorithm based on linear prediction that can perform both the lossless and near-lossless compression of RF signals. The proposed algorithm is coupled with two signal detection methods to determine the presence ...
Image and radio-frequency data compression for OPS-SAT using FAPEC Portell de Mora, Jordi; Martí Espelt, Aniol; Iudica, Riccardo; Evans, David; Zelenevskiy, Vladimir (2022)
Open AccessOPS-SAT is an ESA technology demonstration cubesat which includes a colour camera, a Software Defined Radio (SDR) receiver and a powerful ARM processor. One of the experiments executed there is FAPEC, a high-performance ...
Implementation of FAPEC decorrelation stages for IQ and water column data Martí Espelt, Aniol (Universitat Politècnica de Catalunya, 2021-07-08)
Open AccessRecent technological advances have resulted in massive data collection, also in hazard environments such as the sea or space. In these situations, both computing power and downlink bandwidth are quite limited. For this ...
Rényi divergence and kernel methods for testing Gaussianity Martí Espelt, Aniol (Universitat Politècnica de Catalunya, 2022-07-12)
Restricted access - confidentiality agreementGaussianity tests have been used for decades in statistics to determine if a dataset is well modeled by a normal distribution. More recently, they have also found their place in machine learning. The reason of this ...