Interactive Aerospace Engineering and DesignMcGraw-Hill, 2002 - 356 pages This text contains an integrated bound-in CD-ROM, and has a strong emphasis on design. Its active visual approach and inclusion of space-orientated engineering make it an interesting examination of the aerospace engineering field. |
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Page 223
... Antenna Uplink Downlink Omni- Directional Antenna Relay Satellites PCS # 1 PCS # 2 The antenna requires a signal that is powerful enough to be recognized by the electronics that decode the signal . Thus orbital altitude can be used to ...
... Antenna Uplink Downlink Omni- Directional Antenna Relay Satellites PCS # 1 PCS # 2 The antenna requires a signal that is powerful enough to be recognized by the electronics that decode the signal . Thus orbital altitude can be used to ...
Page 224
... antenna . Antenna = omni - directional = directional Directional beam covers 1/5 the surface area of a sphere of radius " R " from an omnidirectional beam form ( ignoring transmission losses and signal attenuation through the atmo ...
... antenna . Antenna = omni - directional = directional Directional beam covers 1/5 the surface area of a sphere of radius " R " from an omnidirectional beam form ( ignoring transmission losses and signal attenuation through the atmo ...
Page 240
... antenna , 17 m ( 55.7 ft ) 5,250 kg ( 11,576 lb ) launch 3,200 kg ( 7,056 lb ) in orbit 12.25 m aperture deployable satellite antenna Onboard digital signal processing ( DSP ) Digital beam - forming capability Obtain a near - global ...
... antenna , 17 m ( 55.7 ft ) 5,250 kg ( 11,576 lb ) launch 3,200 kg ( 7,056 lb ) in orbit 12.25 m aperture deployable satellite antenna Onboard digital signal processing ( DSP ) Digital beam - forming capability Obtain a near - global ...
Table des matières
A Brief History of Flight | 1 |
Chapter | 4 |
Introduction to Engineering | 20 |
Droits d'auteur | |
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Expressions et termes fréquents
aerodynamic aircraft airfoil airplane altitude angle of attack antenna Apollo astronauts atmosphere axis balloon body Boeing burner calculate camber CD-ROM chapter coefficient coefficient of lift components compressor crew member debris Decavitator drag drawing efficiency elliptical energy Equation equilibrium example Figure flight force freestream fuel gravity human human spaceflight inlet International Space Station jet engine joint launch lift load factor low Earth orbit LTA vehicle lunar maneuver mass flow materials maximum microgravity mission motion NASA nozzle object operational orbital mechanics oxygen particles payload performance plane planetary pressure problem produced propeller propulsion radiation ratio rocket satellite semimajor axis simulation Skylab solar space environment Space Shuttle space station spacecraft spaceflight specific speed stability static structural surface temperature thermal thrust truss turbine turbofan turbojet United vector velocity wing