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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
{
"metadata": {
"name": "",
"signature": "sha256:d9296ed3bbb0144b6fddcd9bd9b4d00b56d458558332cd059b27e6750c38d570"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 36 Space Communication"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 36.1 Page no 990"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"AB=2*10**5 #m\n",
"CN=100 #km\n",
"C=3.0*10**8\n",
"\n",
"#Calculation\n",
"Tg=AB/C\n",
"Q=(math.sqrt(CN**2+CN**2))+(math.sqrt(CN**2+CN**2))\n",
"Ts=Q*10**3/C\n",
"W=(Ts-Tg)\n",
"\n",
"#Result\n",
"print\"The time delay is\",round(W*10**4,2),\"*10**-4 s\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The time delay is 2.76 *10**-4 s\n"
]
}
],
"prompt_number": 57
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 36.2 Page no 990"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Given\n",
"H=80 #m\n",
"R=6.4*10**6\n",
"W=800 #km**-2\n",
"\n",
"#Calculation\n",
"import math\n",
"D=math.sqrt(2*H*R)\n",
"A=math.pi*D**2\n",
"S=A*W\n",
"\n",
"#Result\n",
"print\"(a) The radius of the circle is\",D*10**-4,\"10**4 m\"\n",
"print\"(b) The population covered by the transmission is\",round(S*10**-12,3),\"*10**6\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"(a) The radius of the circle is 3.2 10**4 m\n",
"(b) The population covered by the transmission is 2.574 *10**6\n"
]
}
],
"prompt_number": 32
}
],
"metadata": {}
}
]
}
|
