modulação pela duração do pulso

pulse duration modulation modulação pela duração do pulso

Método de codificação de informações em um sinal elétrico através da variação dos pulsos. O sinal não-modulado consiste de uma série contínua de pulsos com frequência, duração e amplitude constantes. Durante a modulação, a duração dos pulsos é modificada do modo a refletir as informações que estão sendo codificadas. Acrônimo: PDM. Também chamada de pulse length modulation (modulação pelo comprimento do pulso); pulse width modulation (modulação pela largura do pulso).
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pulse duration modulation modulação pela duração do pulso

endereço de base
