What is meaning of detection? draw the envelope detection circuit and define all parameter if the message signal is given by: m$($t$)=$

$5$cos$(2$ pi $1000t)$ and the carrier signal is given by: $c(t)=5cos(2{10}^{6}t)$ assume the resistance is the first number of your registration number from the right $($if the first number is zero take the second number$).$