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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter11 Pulse Modulation"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.3.1,Pg.no.392"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The no . of bits per code word is 7.512\n",
"Rounded off to 8\n"
]
}
],
"source": [
"import math\n",
"SNR=40.0\n",
"#a) Determination of no . of bits /code\n",
"n=(SNR -(10*math.log10(3))-(-10))/(20*math.log10(2))\n",
"n=round(n,3)\n",
"print 'The no . of bits per code word is',n\n",
"print 'Rounded off to 8'"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.3.2,Pg.no.393"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"a)The transmission BW is 64000.0 Hz\n",
"b)The quantization S/N ration is 48.0\n"
]
}
],
"source": [
"import math\n",
"q=1.0\n",
"W=4*10**3\n",
"n=8.0\n",
"#a) Determination of Tx Bandwidth\n",
"B=(1+q)*W*n\n",
"print 'a)The transmission BW is',B,'Hz'\n",
"#b) Determination of quantization S/N ratio\n",
"SN_dB=6*n\n",
"print 'b)The quantization S/N ration is',SN_dB"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 2",
"language": "python",
"name": "python2"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
"version": "2.7.10"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
