From 83c1bfceb1b681b4bb7253b47491be2d8b2014a1 Mon Sep 17 00:00:00 2001 From: debashisdeb Date: Fri, 20 Jun 2014 15:42:42 +0530 Subject: removing problem statements --- Satellite_Communication/chapter_2.ipynb | 18 ------------------ Satellite_Communication/chapter_3.ipynb | 15 --------------- Satellite_Communication/chapter_4.ipynb | 14 -------------- Satellite_Communication/chapter_5.ipynb | 13 ------------- Satellite_Communication/chapter_6.ipynb | 7 ------- Satellite_Communication/chapter_7.ipynb | 15 --------------- 6 files changed, 82 deletions(-) (limited to 'Satellite_Communication') diff --git a/Satellite_Communication/chapter_2.ipynb b/Satellite_Communication/chapter_2.ipynb index 233fcb29..62e9c6de 100644 --- a/Satellite_Communication/chapter_2.ipynb +++ b/Satellite_Communication/chapter_2.ipynb @@ -27,7 +27,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''satellite velocity'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -68,7 +67,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''orbit parameters'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -122,7 +120,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Orbit parameters'''\n", "#Variable Declaration\n", "ma=42000.0 # Major axis distance in Km\n", "P=8000.0 # Perigee distance in Km\n", @@ -161,7 +158,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Orbit parameters'''\n", "\n", "#Variable Declaration\n", "e=0.6 #Eccentricity\n", @@ -204,7 +200,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Orbit Eccentricity'''\n", "#Variable Declaration\n", "AP_diff=30000.0 #difference between apogee and perigee in km\n", "AP_sum=62800.0 #Apogee+perigee\n", @@ -242,7 +237,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Velocity of satellite at particular point '''\n", "import math\n", "#Variable Declaration\n", "R=7000.0*10**3 # sattelite orbit in m\n", @@ -287,7 +281,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Velocity of satellite at particular point '''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -330,7 +323,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Velocity of satellite at particular point '''\n", "import math\n", "#Variable Declaration\n", "R=25000.0*10**3 #sattelite orbit in m\n", @@ -373,7 +365,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Orbital time period'''\n", "import math\n", "#Variable Declaration\n", "a=(50000.0/2)*10**3 #Semi-major axis in m\n", @@ -417,7 +408,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Orbital time period'''\n", "#Variable Declaration\n", "a1=18000.0*10**3 #Semi-major axis for first satellite in m\n", "a2=24000.0*10**3 #Semi-major axis f0r 2nd satellite in m\n", @@ -453,7 +443,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Orbit parameters'''\n", "import math\n", "#Variable Declaration\n", "a=25000.0*10**3 #appogee distance in m\n", @@ -533,7 +522,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Velocity at apogee'''\n", "#Variable Declaration\n", "A=42000.0 # Apogee in km\n", "P=8000.0 # Perigee in km\n", @@ -572,7 +560,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''velocity of satellite at particular point'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -614,7 +601,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''New apogee distance'''\n", "import math\n", "#Variable Declaration\n", "A1=12000.0 # first Apogee distance\n", @@ -658,7 +644,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''satellite velocity'''\n", "import math\n", "#Variable Declaration\n", "vp=8.0 # horizontal velocity of satellite in km/s\n", @@ -700,7 +685,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Apogee distance'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -750,7 +734,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Height of satellite orbit above eart surface'''\n", "\n", "import math\n", "#variable declaration\n", @@ -792,7 +775,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Orbital time period'''\n", "import math\n", "#variable declaration\n", "\n", diff --git a/Satellite_Communication/chapter_3.ipynb b/Satellite_Communication/chapter_3.ipynb index 376a12af..e87eed02 100644 --- a/Satellite_Communication/chapter_3.ipynb +++ b/Satellite_Communication/chapter_3.ipynb @@ -27,7 +27,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Inclination angle'''\n", "import math\n", "#Variable Declaration\n", "Az=85 # Azimuth angle of injection point\n", @@ -68,7 +67,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Velocity thrust'''\n", "import math\n", "#Variable Declaration\n", "delta_i=7 #orbital plane inclination\n", @@ -107,7 +105,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''velocity thrust'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -152,7 +149,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Thrust velocity'''\n", "import math\n", "#Variable Declaration\n", "A=15000*10**3 #Original apogee distance\n", @@ -195,7 +191,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Thrust velocity'''\n", "import math\n", "#Variable Declaration\n", "A=15000.0*10**3 # Original apogee distance\n", @@ -237,7 +232,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Thrust velocity '''\n", "#Variable Declaration\n", "A=15000.0*10**3 # Original apogee distance\n", "A1=16000.0*10**3 # Raised opogee distance\n", @@ -279,7 +273,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Thrust velocity'''\n", "import math\n", "#Variable Declaration\n", "R=6378.0*10**3 # Radius of earth\n", @@ -325,7 +318,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Maximum line-of-sight distance'''\n", "import math\n", "#Variable Declaration\n", "H=36000.0 # Height of geostationary satellite from the surface of earth\n", @@ -368,7 +360,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "''' line-of-sight distance'''\n", "import math\n", "#Variable Declaration\n", "H=36000.0 # Height of geostationary satellite from the surface of earth\n", @@ -410,7 +401,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Inter-satellite distance'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -456,7 +446,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Azimuth and elevation angle'''\n", "import math\n", "\n", "theta_l=30.0 # earth station's location 30\u00b0W longitude\n", @@ -501,7 +490,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Time Delay'''\n", "import math\n", "#Variable Declaration\n", "theta_l=60.0 #earth station's location 60\u00b0W longitude\n", @@ -610,7 +598,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Inter-satellite distance'''\n", "import math\n", "#Variable Declaration\n", "da=38000.0 # slant range of satellite A\n", @@ -657,7 +644,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''covered surface area'''\n", "import math\n", "#Variable Declaration\n", "r=42164.0 # orbital radius of the satellite in km\n", @@ -726,7 +712,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Area swept by ground track of sattelite'''\n", "#variable declaration\n", "theta=30 #satellite inclination to the equitorial plan\n", "#the extreme latitudes covered in northern and southern hemisphere are the same as orbit inclination\n", diff --git a/Satellite_Communication/chapter_4.ipynb b/Satellite_Communication/chapter_4.ipynb index 85428bc4..ea3132bc 100644 --- a/Satellite_Communication/chapter_4.ipynb +++ b/Satellite_Communication/chapter_4.ipynb @@ -27,7 +27,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Ejection velocity of the propellant mass'''\n", "\n", "#Variable Declaration\n", "I=250 #specific impulse of a propellant\n", @@ -66,7 +65,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Mass of propellant'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -108,7 +106,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Mass of propellant'''\n", "#Variable Declaration\n", "m=2950.0 #initial mass of the satellite\n", "F=450.0 #required thrust\n", @@ -149,7 +146,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''solar cells'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -197,7 +193,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Battery System Requirement'''\n", "#Variable Declaration\n", "p=3600.0 #Power required\n", "t=1.2 #worst case eclipse period\n", @@ -245,7 +240,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Antenna Gain'''\n", "import math\n", "#Variable Declaration\n", "theta=0.5 #azimuth beam width=Elevation beam width\n", @@ -293,7 +287,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Aperture efficiency and Effective Aperture'''\n", "#Variable Declaration\n", "la=0.5 #length efficiency in azimuth direction\n", "le=0.7 #length efficiency in elevation direction \n", @@ -333,7 +326,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Directivity'''\n", "import math\n", "#Variable Declaration\n", "p=100 #Antenna power in W\n", @@ -374,7 +366,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''null-to-null beam width'''\n", "#Variable Declaration\n", "beam_w=0.4 #antenna's 3dB beam width\n", "Ae=5 #Effective Aperture of Antenna\n", @@ -409,7 +400,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Polarization loss and Received signal strength'''\n", "import math\n", "#Variable Declaration\n", "d=20.0 #received signal strenth in dB\n", @@ -475,7 +465,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Antenna Gain and beam width'''\n", "import math\n", "#Variable Declaration\n", "Ea=1 #effective aperture\n", @@ -517,7 +506,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Beam Width'''\n", "import math\n", "#Variable Declaration\n", "f=2.0 # reflector focal length\n", @@ -562,7 +550,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''phase angles'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -605,7 +592,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Earth station EIRP'''\n", "import math\n", "\n", "#Variable Declaration\n", diff --git a/Satellite_Communication/chapter_5.ipynb b/Satellite_Communication/chapter_5.ipynb index 4834f8d0..7e2ed39c 100644 --- a/Satellite_Communication/chapter_5.ipynb +++ b/Satellite_Communication/chapter_5.ipynb @@ -27,7 +27,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Power Saving'''\n", "\n", "import math\n", "\n", @@ -93,7 +92,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Total power in modulated signal'''\n", "#Variable Declaration\n", "pc=500 #energy of carrier signal\n", "m=0.6 #AM modulation index\n", @@ -142,7 +140,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Percentage power saving'''\n", "import math\n", "#Variable Declaration\n", "m=0.6 #60% modulation\n", @@ -185,7 +182,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Carrier frequency in terms of modulating frequency'''\n", "#Variable Declaration\n", "#multiplication of two signals gives AM with frequency component(wc-wm) and (wc+wm) and its BW is 2wm\n", "bw=0.5/100 #bw is 0.5% of carrier freq. \n", @@ -222,7 +218,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Unmodulated carrier frequency, modulation index, Modulating frequency'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -267,7 +262,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''frequency deviation and Bandwidth'''\n", "#Variable Declaration\n", "#comparing given equation with stanard equation\n", "mf=150 #modulation index\n", @@ -344,7 +338,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''New modulation index and New bandwidth'''\n", "#Variable Declaration\n", "bw=20*10**3 #bandwidth in Hz\n", "fm=1* 10**3 #modulating frequency in Hz\n", @@ -386,7 +379,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Deviation Ratio and Bandwidth'''\n", "\n", "#Variable Declaration\n", "fd=75.0 #Maximum allowed frequency deviation in kHz\n", @@ -426,7 +418,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''no of bits,no of quantizing levels and samplinf frequecy''' \n", "import math\n", "\n", "#Variable Declaration\n", @@ -468,7 +459,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Nyquist rate'''\n", "#Variable Declaration\n", "#re-arranging equation and comparing it with standard equation we have,\n", "f=2500 #Highest frequency component in the signal in Hz\n", @@ -502,7 +492,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Time duration of one bit'''\n", "import math\n", "#Variable Declaration\n", "l=128 #no of Quantizing levels\n", @@ -542,7 +531,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Sampling rate and Sampling interval of the composite signal'''\n", "f1=2.4 #first signal frequency\n", "f2=3.2 #2nd signal frequency\n", "f3=3.4 #3rd signal frequency\n", @@ -580,7 +568,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Number of bits in each frame, Bit duration, micro second, Transmission rate'''\n", "import math\n", "\n", "bw=3.2 # voice channel band limited frequency in kHz\n", diff --git a/Satellite_Communication/chapter_6.ipynb b/Satellite_Communication/chapter_6.ipynb index f4e3eeff..22f229fb 100644 --- a/Satellite_Communication/chapter_6.ipynb +++ b/Satellite_Communication/chapter_6.ipynb @@ -27,7 +27,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''length of reference and traffic burst'''\n", "#Variable Declaration\n", "t=20 #TDMA frame length in ms\n", "lc=352 #length of carrier and clock recovery frequency in bits\n", @@ -80,7 +79,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Frame efficiency'''\n", "import math\n", "#Variable Declaration\n", "t=20 # TDMA frame length in ms\n", @@ -131,7 +129,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Maximum no of PCM voice channels'''\n", "import math\n", "#Variable Declaration\n", "t=20 # TDMA frame length in ms\n", @@ -189,7 +186,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Doppler Shift'''\n", "import math\n", "#Variable Declaration\n", "R=42150.0 # orbital radius of satellite\n", @@ -245,7 +241,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Chip Duration and maximum chip rate'''\n", "#Variable Declaration\n", "de=40.0 # Doppler effect variation due to station-keeping errors in ns/s\n", "d=280.0 # Sttelite round trip delay in ms\n", @@ -285,7 +280,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''maximum permissible Dopler effect variation'''\n", "#Variable Declaration \n", "cr=25.0 #Chip rate is 25 Mbps\n", "c=20.0/100.0 # DS-CDMA signals should not exceed 20% of the chip duration\n", @@ -326,7 +320,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Processing gain'''\n", "import math\n", "#Variable Declaration\n", "cr=20.0*10**6 #chip rate in Mbps\n", diff --git a/Satellite_Communication/chapter_7.ipynb b/Satellite_Communication/chapter_7.ipynb index f48f0b36..1ed28d5b 100644 --- a/Satellite_Communication/chapter_7.ipynb +++ b/Satellite_Communication/chapter_7.ipynb @@ -27,7 +27,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Power received by the receiving antenna '''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -68,7 +67,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''free-space path loss'''\n", "import math\n", "#Variable Declaration\n", "c=3*10**8 #speed of light \n", @@ -124,7 +122,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Attenuation experienced by coplanar component'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -177,7 +174,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Effective noise temperature and System Noise Figure'''\n", "#Variable Declaration\n", "g1=30 #gain of RF stage in dB\n", "t1=20 #Noise temperature in K\n", @@ -226,7 +222,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''overall noise figure'''\n", "#Variable Declaration\n", "g1=30 #gain of RF stage in dB\n", "t1=20 #Noise temperature in K\n", @@ -281,7 +276,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Noise figure'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -341,7 +335,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Loss factor'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -382,7 +375,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''System noise temperature'''\n", "import math\n", "\n", "\n", @@ -436,7 +428,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''carrier-to-interface ratio'''\n", "import math\n", "\n", "\n", @@ -480,7 +471,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''carrier-to-interference ratio'''\n", "import math\n", "\n", "\n", @@ -527,7 +517,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Total carrier-to-interference ratio'''\n", "import math\n", "\n", "\n", @@ -572,7 +561,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Longitudinal separation between two satellites'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -615,7 +603,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Gain per degree Kelvin'''\n", "import math\n", "\n", "\n", @@ -665,7 +652,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''Gain per degree Kelvin'''\n", "import math\n", "\n", "#Variable Declaration\n", @@ -705,7 +691,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "'''link margin'''\n", "import math\n", "#Variable Declaration\n", "f=6.0*10**9 # uplink frequency\n", -- cgit