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"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 1 : Introduction to Radiowaves"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 1.1, page 13"
]
},
{
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"input": [
"#Initialisation\n",
"fo=8387.5 #frequency in MHz\n",
"\n",
"#Calculation\n",
"\n",
"#defining a function for 6 MHZ channels with 14 MHz separation\n",
"def F(n):\n",
" fn=fo-108.5+(14*n);\n",
" return (fn)\n",
"\n",
"def F1(n):\n",
" fn=fo+10.5+(14*n);\n",
" return (fn)\n",
"\n",
"#defining a function for 12 MHZ channels with 7 MHz separation\n",
"def F2(n):\n",
" fn=fo-108.5+(7*n);\n",
" return (fn)\n",
"\n",
"def F3(n):\n",
" fn=fo+17.5+(7*n);\n",
" return (fn)\n",
"\n",
"\n",
"#Results\n",
"print'(1) 6-RF channels with 14 MHz separation'\n",
"print' f1 = %d'%F(1)\n",
"print' f11 = %d'%F1(1)\n",
"print' f2 = %d'%F(2)\n",
"print' f21 = %d'%F1(2)\n",
"print' f3 = %d'%F(3)\n",
"print' f31 = %d'%F1(3)\n",
"print'(2) 12-RF channels with 7 MHz separation'\n",
"print' f1 = %d'%F2(1)\n",
"print' f11 = %d'%F3(1)\n",
"print' f2 = %d'%F2(2)\n",
"print' f21 = %d'%F3(2)\n",
"print' f3 = %d'%F2(3) #wrong value calculated in textbook\n",
"print' f31 = %d'%F3(3) #wrong value calculated in textbook"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"(1) 6-RF channels with 14 MHz separation\n",
" f1 = 8293\n",
" f11 = 8412\n",
" f2 = 8307\n",
" f21 = 8426\n",
" f3 = 8321\n",
" f31 = 8440\n",
"(2) 12-RF channels with 7 MHz separation\n",
" f1 = 8286\n",
" f11 = 8412\n",
" f2 = 8293\n",
" f21 = 8419\n",
" f3 = 8300\n",
" f31 = 8426\n"
]
}
],
"prompt_number": 30
},
{
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"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
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