blob: 917bc811af3ad4fc91317ba96e13b3fc675f7207 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
//Example 6.3.1
//Calculate the no of digital channels
//Variables
clc
clear
Tframe=2000 //20ms
N = 5 //5us
tg=5
tpre = 20
datarate = 64000
QPSKsymbol = 2
QPSKTxburst = 30 //30mbaud
Td = (Tframe-N*(tg+tpre))/N
Rb = QPSKsymbol*QPSKTxburst
Cb = Td*(((Rb*(10)^6))/Tframe)
n = (Cb)/64000
printf("The number of 64kbps digital sppech channels that \n can be carried by one earth station is %d",n)
|
