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[Other] AF DL : 0: Un autómata finito (AF) o máquina de estado finito es un modelo matemático que realiza cómputos en forma automática sobre una entrada para producir una salida. Este modelo está conformado por un alfabeto, un conjunto de estados y un conjunto de transiciones entre dichos estados. Su funcionamiento se basa en una función de transición, que recibe a partir de un estado inicial una cadena de caracteres pertenecientes al alfabeto (la entrada), y que va leyendo dicha cadena a medida que el autómata se desplaza de un estado a otro, para finalmente detenerse en un estado final o de aceptación, que representa la salida. La finalidad de los autómatas finitos es la de reconocer lenguajes regulares, que corresponden a los lenguajes formales más simples según la Jerarquía de Chomsky.
Date : 2025-12-20 Size : 3kb User : omar
[Other] Filtro-3-vias DL : 0: This a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC ﬁ lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. The transmitter?s symbol period is T and set to a value of 100 ms. The symbol period at the receiver is Tr. The model will produce six windows: Two constellation plots and two eye diagrams (for the real part only), at the output of the matched ﬁ lters and after the recovery loops a plot of the phase error (output of the NCO) and a plot of the fractional timing error (used in the interpolator). The frequency oﬀ set at the receiver is denoted by deltaf. The model simulates the transmission of 8000 QPSK symbols.-This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC ﬁ lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. The transmitter?s symbol period is T and set to a value of 100 ms. The symbol period at the receiver is Tr. The model will produce six windows: Two constellation plots and two eye diagrams (for the real part only), at the output of the matched ﬁ lters and after the recovery loops a plot of the phase error (output of the NCO) and a plot of the fractional timing error (used in the interpolator). The frequency oﬀ set at the receiver is denoted by deltaf. The model simulates the transmission of 8000 QPSK symbols.
Date : 2025-12-20 Size : 41kb User : Romarco