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{
"metadata": {
"name": "",
"signature": "sha256:9cb18a31e319c2d8b43a0064401876d651a2153725c525211c52ac1687dd288c"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter10-Network Functions"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex35-pg10.35"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"## Network Functions : example 10.35 : (pg 10.35)\n",
"import math\n",
"m=(2./(math.sqrt(2.)*math.sqrt(10.)));\n",
"a=90.;\n",
"x=(a-math.atan(3.)*57.3-math.atan(1)*57.3);\n",
"print(\"\\nF(s) =(4s/s^2+2s+2) = 4s/(s+1-j)*(s+1-j)\");\n",
"print(\"\\n At s=j2\");\n",
"##pmag = phasor magnitudes\n",
"print(\"\\n|F(j2)|=Product of pmag from all zeros to j2/Product of pmag from all poles to j2\");\n",
"print\"%s %.2f %s\"%(\"\\n = \",m,\"\");\n",
"print\"%s %.2f %s\"%(\"\\nf(w) = atand(2/0)-atand(3)-atand(1)= \",x,\" degrees\");"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"F(s) =(4s/s^2+2s+2) = 4s/(s+1-j)*(s+1-j)\n",
"\n",
" At s=j2\n",
"\n",
"|F(j2)|=Product of pmag from all zeros to j2/Product of pmag from all poles to j2\n",
"\n",
" = 0.45 \n",
"\n",
"f(w) = atand(2/0)-atand(3)-atand(1)= -26.57 degrees\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Ex36-pg10.35"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"## Network Functions : example 10.36 : (pg 10.35 & 10.36)\n",
"\n",
"import math\n",
"m=((5.*math.sqrt(17.))/(math.sqrt(20.)*4.));\n",
"a=90.;\n",
"w=(math.atan(4.)*57.3+math.atan(4/3.)*57.3-(a)-math.atan(4/2.)*57.3);\n",
"print(\"\\nF(s) = (s+1)(s+3)/s(s+2))\");\n",
"print(\"\\nAt s=j4\");\n",
"##vmag = vector magnitudes\n",
"print(\"\\nPrduct of vmag from all zeros to j4/ Product of vmag from all poles to j4\");\n",
"print\"%s %.2f %s\"%(\"\\n =\",m,\"\");\n",
"print(\"\\nphi(w)= atand(4)+atand(4/3)-atand(4/0)-atand(4/2)\");\n",
"print\"%s %.2f %s\"%(\"\\n = \",w,\" degrees\");"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"F(s) = (s+1)(s+3)/s(s+2))\n",
"\n",
"At s=j4\n",
"\n",
"Prduct of vmag from all zeros to j4/ Product of vmag from all poles to j4\n",
"\n",
" = 1.15 \n",
"\n",
"phi(w)= atand(4)+atand(4/3)-atand(4/0)-atand(4/2)\n",
"\n",
" = -24.34 degrees\n"
]
}
],
"prompt_number": 2
}
],
"metadata": {}
}
]
}
|
