The use of Nyquist pulses is aimed at achieving (near) zero ISIQuestion 1Answerin the transmitted pulses on the transmission channelat the point where noise is added to the incoming signalat the point of detection in the receiverafter detection of the transmitted binary bit(s)
Question
The use of Nyquist pulses is aimed at achieving (near) zero ISIQuestion 1Answerin the transmitted pulses on the transmission channelat the point where noise is added to the incoming signalat the point of detection in the receiverafter detection of the transmitted binary bit(s)
Solution
Para responder a la pregunta sobre el uso de los pulsos de Nyquist y su objetivo de lograr una Interferencia Intersimbólica (ISI) cercana a cero, sigamos los siguientes pasos:
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Entender el concepto de ISI: La Interferencia Intersimbólica (ISI) ocurre cuando los pulsos de datos transmitidos se solapan, causando errores en la interpretación de los datos en el receptor.
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Propósito de los pulsos de Nyquist: Los pulsos de Nyquist están diseñados para minimizar o eliminar la ISI. Esto se logra mediante la configuración de los pulsos de tal manera que no interfieran entre sí en los puntos de muestreo específicos.
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Punto de interés para ISI cero: El objetivo es que la ISI sea cero en el punto de detección en el receptor. Esto significa que, en el momento en que el receptor detecta y decodifica los datos, no debe haber interferencia de los pulsos adyacentes.
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Respuesta a la pregunta: Dado que los pulsos de Nyquist están diseñados para eliminar la ISI en el punto de detección en el receptor, la respuesta correcta es:
- en el punto de detección en el receptor.
Por lo tanto, el uso de los pulsos de Nyquist está dirigido a lograr una ISI (casi) cero en el punto de detección en el receptor.
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