1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 11: Microstrip Antennas"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 11.9_1: Determine_physical_dimensions.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"//Example No. 11.9.1\n",
"clc;\n",
"clear;\n",
"close;\n",
"format('v',7);\n",
"fr=10;//GHz(center frequency)\n",
"fr=fr*10^9;//Hz(center frequency)\n",
"epsilon_r=10.2;//(constant)\n",
"h=0.127;//cm(height of sustrate)\n",
"c=3*10^10;//cm/s(Speed of light)\n",
"W=c/2/fr*sqrt(2/(epsilon_r+1));//cm(Physical dimension)\n",
"epsilon_reff=(epsilon_r+1)/2+(epsilon_r-1)/2*[1+12*h/W]^(-1/2);//(effective constant)\n",
"delta_L=h*0.412*(epsilon_reff+0.3)*(W/h+0.264)/[(epsilon_reff-0.258)*(W/h+0.8)];//cm(distance)\n",
"L=c/2/fr/sqrt(epsilon_reff)-2*delta_L;//cm(distance)\n",
"disp(L,W,'Design values of W & L(in cm) are : ');"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Scilab",
"language": "scilab",
"name": "scilab"
},
"language_info": {
"file_extension": ".sce",
"help_links": [
{
"text": "MetaKernel Magics",
"url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
}
],
"mimetype": "text/x-octave",
"name": "scilab",
"version": "0.7.1"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
