In-line Spectral Interferometry in Shortwave-Infrared Laser Filaments in Air.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.123.223203
Abstract: We investigate the nonlinear propagation of intense, two-cycle, carrier-envelope phase (CEP) stable laser pulses at 1.7 μm center wavelength in air. We observe CEP-dependent spectral interference in the visible part of the forward-propagating white light generated… read more here.
Keywords: cep; laser; interferometry shortwave; air ... See more keywords
Maximum Likelihood Line Spectral Estimation in the Signal Domain: A Rank-Constrained Structured Matrix Recovery Approach
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Signal Processing"
DOI: 10.1109/tsp.2022.3198863
Abstract: Maximum likelihood estimation (MLE) provides a well-known benchmark for line spectral estimation and has been extensively studied in the parameter domain using a variety of optimization algorithms. To overcome the sensitivity of these algorithms to… read more here.
Keywords: spectral estimation; line spectral; domain; rank constrained ... See more keywords
On the Comparison of Line Spectral Frequencies and Mel-Frequency Cepstral Coefficients Using Feedforward Neural Network for Language Identification
Sign Up to like & getrecommendations! Published in 2018 at "Indonesian Journal of Electrical Engineering and Computer Science"
DOI: 10.11591/ijeecs.v10.i1.pp168-175
Abstract: Of the many audio features available, this paper focuses on the comparison of two most popular features, i.e. line spectral frequencies (LSF) and Mel-Frequency Cepstral Coefficients. We trained a feedforward neural network with various hidden… read more here.
Keywords: mel frequency; network; spectral frequencies; line spectral ... See more keywords