Page 244 - Intro to Space Sciences Spacecraft Applications
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Charge coupled devices (CCDs), 136   mass iteration, 191   Index   231
                     Chemical power, 177                 process, 199, 201
                     Chromosphere, 79                    reviews, 204
                     Circular orbit, 30                Diffraction limit, 138
                     Clarke, Arthur, 2, 104           Digital baseband signal, 160
                     Clock offset time,  162          Digital signals, 115
                     Closed orbits, 28                Direct waves, 106
                     COBE, 18                         DMSP,  14, 134
                     Command processing, 190          Doppler
                     Commands, 189                       count, 155
                     Communication relay satellite, 188   frequency, 155
                     Complex autonomy, 190               positioning, 154
                     Comsat, 19                          shift, 154, 158
                     Conceptual study phase           Drag, 100
                         (Pre-Phase A), 200, 204      Dual-spin, 172
                     Conical scan, 140                Duty cycle, 179, 189
                     Constellations, 46               Dwell time, 148
                     Control torques, 176             Dynamic mass estimate, 169
                     Convective zone, 78
                     Copernicus, 26                   Earth, 87
                     Corona, 79                       Earth angle, 137
                     Correlation, 161                 Earth Observing System (EOS), 23
                     Corrosion, 98                    Eastern test range (ETR), 193
                     Cosmology, 76                    Eccentricity, 29
                     cost, 201                        Eclipse cycle, 179
                     Critical design review (CDR), 207   Eclipse periods, 169
                     Cross correlation, 161           Ecliptic, 77
                     Cross-track scan, 140            Electromagnetic propagation, 91, 105
                                                      Electromagnetic spectrum, 105
                     Data handling, 188               Electromagnetic wave, 104
                     Data rate, 189                   Electron density, 107
                     Dead reckoning (DR), 157         Electrostatic system, 185
                     Debris, 99                       Elevation angle, 137
                     Decibel, 109                     Elliptical orbit, 3 1
                     Definition phase (Phase B), 206   ELV, 21
                     Delta, 170                       Emissivity, 183
                     Delta v, 48, 70, 71, 73, 186     End of life power (EOL), 179
                     Demodulation, 118, 128           Energia, 21
                    Depression angle, 137             Ephemeris, 155
                     Depth of discharge, 181          Equitorial orbit, 44
                     Design                           Equivalent noise temperature, 11 3
                       acquisition period, 200        ERTS, 14
                       development phase (CAI), 207   European Space Agency (ESA), 21
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