Page 248 - Intro to Space Sciences Spacecraft Applications

Index 235
Radiation belts, 96 Sampling, 122
Radiation effects on spacecraft, 98 frequency, 122
Radiative transfer equation, 142, 145 Satellite
Radiative zone, 78 design, 166
Radio bands, 105 subsystems, 166, 167, 192
Radioactive, 177 vital statistics, 169
Radioisotope thermal generators Saturn V, 7
(RTGs), 177 Scanning payloads, 19 1
Radiometer, 136 Scatterometer, 136
Radiometric, 136 SDI, 22
Range, 146 Seasat, 16, 133
cross-track, 139 Semi-major axis, 29
Ranger, 17 Sensor scanning, 140
Ranging signal, 160 Sensors, 100
Ratio of specific heats, 59 Shepard, Alan, 5
Rayleigh scattering, 144 Sidereal day, 32
Reaction control wheels, 172 Signal propagation velocity, 146
Real aperture radar (RAR), 136, 147 Signal-to-noise ratio, 1 14
Receiving sites, 194 Simple autonomy, 190
Recombination, 177 Sky waves, 106
Reflectance, 149 Skylab, 7, 100
Refraction, 106 Slant range, 137, 155
errors, 157, 163 SMALLSATs, 195
Refrigeration devices, 184 Solar
Remote sensing, 1 cells, 177
Replica code, 161 constant, 81
Request for proposal (RFP), 193 cycle, 86
Resolution cell, 138 cycle activity, 184
Retrograde orbit, 68 day, 32
Revisit time, 43 eclipse times, 180
Revolutions per day, 42 electromagnetic radiation, 79
Risk assessment, 205 flares, 86
Rocket equation, 57 heat exchangers, 177
Rocket thrust, 57 maximum, 86
Rotisserie, 183 particle radiation, 84
Rough order of magnitude (ROM), power, 177
205 pressure drag, 159
RP- 1. 60 radiation, 79
wind, 84
S-band, 188 SolarMax (SMM), 16
Salyut, 12 Solid-state storage device, 189
Sample period, 122 Solid-fueled propulsion, 186