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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 10 Wireless digital communication"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 10.2 Page no 467"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#given\n",
"n=3 #shift registers\n",
"n1=7\n",
"\n",
"#calculation\n",
"x=(2**n)-1\n",
"y=(2**7)-1\n",
"\n",
"#result\n",
"print\"(a) n =\",n,\"PN sequence length = \",x\n",
"print\"(b) n =\",n1,\"PN sequence length = \",y"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"(a) n = 3 PN sequence length = 7\n",
"(b) n = 7 PN sequence length = 127\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 10.3 Page no 477"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#given\n",
"x=56.0 #modulation bit rate\n",
"y=560 #chip rate\n",
"a=256.0 #modulation bit rate\n",
"b=1792 #chip rate\n",
"\n",
"#calculation\n",
"z=y/x\n",
"c=b/a\n",
"\n",
"#result\n",
"#part(a)\n",
"print\"Spreading of a DSSS signal = \",z\n",
"print\"Spreading of a DSSS signal = \",c"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Spreading of a DSSS signal = 10.0\n",
"Spreading of a DSSS signal = 7.0\n"
]
}
],
"prompt_number": 4
}
],
"metadata": {}
}
]
}
|
