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{
"metadata": {
"name": "raju Chapter4"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": "Chapter 4: TRACKING RADAR"
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Example 1, Page No 129"
},
{
"cell_type": "code",
"collapsed": false,
"input": "\nimport math;\n\n# Variable Declaration\n\n# d = lamda/2\ntheta_d = 5 # angle blw los and perpendicular bisector of line joining two antennas\n\n# Calculations\n\n#PD = (2*%pi/lamda)*(d*sin(theta));\n#PD = (2*%pi/lamda)*(lamda/2*sin(theta));\ntheta_r = theta_d*(math.pi/180)\nPD_r = (2*math.pi)*((math.sin(theta_r))/2); # phase difference in radians\nPD_d = PD_r*(180/math.pi); # phase difference in radians\n\n\n# Result\nprint 'Phase difference b/w two echo signals is %0.2f'%(PD_d),'degrees',\" OR %0.2f \" %PD_r,'radians';",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Phase difference b/w two echo signals is 15.69 degrees OR 0.27 radians\n"
}
],
"prompt_number": 22
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Example 2, Page No 130"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# import math\n\n# Variable Declaration\nF = 1*10**9; # operating frequency of monopulse radar in Hz\nVo = float(3*10**8); # velocity of EM wave in m/s\ntheta_d = 10 # angle blw los and perpendicular bisector of line joining two antennas\nPD_d = 20; # phase difference in degrees\n\n# Calculations\nlamda = Vo/F # wavelength in m\n# PD = (2*%pi/lamda)*(d*sin(theta));\ntheta_r = theta_d*(math.pi/180) # degree to radian conversion\nPD_r = PD_d*(math.pi/180) # degree to radian conversion\nd = (PD_r*lamda)/(2*math.pi*math.sin(theta_r));\n\n# Output\nprint 'Spacing between the antennas is %0.2f'%(d*100),'Cms';",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Spacing between the antennas is 9.60 Cms\n"
}
],
"prompt_number": 41
}
],
"metadata": {}
}
]
}
|
