The Search for Extraterrestrial Intelligence, SETIPhilip Morrison, John Billingham, John Wolfe National Aeronautics and Space Administration, Scientific and Technical Information Office, 1977 - 276 páginas |
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Página xiii
... requirements SECTION III - 8 123 130 132 134 Figure 1 - Bi - static radar range for ISS receiver 189 Figure 2 Peak side lobe levels of radiation patterns for large antennae 190 BRIEF TITLES FOR TABLES Page SECTION II - 5 Table xiii.
... requirements SECTION III - 8 123 130 132 134 Figure 1 - Bi - static radar range for ISS receiver 189 Figure 2 Peak side lobe levels of radiation patterns for large antennae 190 BRIEF TITLES FOR TABLES Page SECTION II - 5 Table xiii.
Página xiv
... radars SECTION III - 3 Table 1 - System parameters . Table 2 Detection sensitivity and cost SECTION III - 5 136 137 Chart 1 - Capabilities of large SETI systems . 161 View of Arecibo Observatory in Puerto Rico with its 300 xiv.
... radars SECTION III - 3 Table 1 - System parameters . Table 2 Detection sensitivity and cost SECTION III - 5 136 137 Chart 1 - Capabilities of large SETI systems . 161 View of Arecibo Observatory in Puerto Rico with its 300 xiv.
Página 6
... radars . Rather , we want to listen , to search all the directions of space , the many channels of the radio ( and other ) domains , to seek possible signals . Perhaps it will be only an accidental signal , as we have made ourselves ...
... radars . Rather , we want to listen , to search all the directions of space , the many channels of the radio ( and other ) domains , to seek possible signals . Perhaps it will be only an accidental signal , as we have made ourselves ...
Página 7
... radars , not intended for our detection . Whatever the signal , we would remind the reader that it will be a one - way transmission . Any messages in such a transmission would be a message between cultures , not between persons . We ...
... radars , not intended for our detection . Whatever the signal , we would remind the reader that it will be a one - way transmission . Any messages in such a transmission would be a message between cultures , not between persons . We ...
Página 14
... radar leakage may have already been detected by a nearby civilization . In addition , advanced societies may radiate beacons for a variety of reasons , possibly merely to bring emerging societies into contact with a long established ...
... radar leakage may have already been detected by a nearby civilization . In addition , advanced societies may radiate beacons for a variety of reasons , possibly merely to bring emerging societies into contact with a long established ...
Otras ediciones - Ver todas
The Search for Extraterrestrial Intelligence, SETI Philip Morrison,John Billingham,John Wolfe Vista completa - 1977 |
The Search for Extraterrestrial Intelligence, SETI Philip Morrison,John Billingham,John Wolfe Vista completa - 1977 |
The Search for Extraterrestrial Intelligence, SETI Philip Morrison,John Billingham,John Wolfe Vista completa - 1977 |
Términos y frases comunes
Ames Research Center antenna Arecibo array astrometric astrophysical bandwidth beam capabilities channels clouds collecting area Communication with Extraterrestrial COMPLEMENTARY DOCUMENT cosmic cost density detection direction distance Earth Earth-based electromagnetic emission entire sky evolution extraterrestrial civilizations extraterrestrial intelligence flux level Frank Drake frequency band galactic Galaxy ground-based hydrogen Institute of Technology INTERSTELLAR COMMUNICATION interstellar medium INTERSTELLAR SEARCH SYSTEM Jesse Greenstein Jet Propulsion Laboratory maser microwave window NASA noise observations Observatory optimum orbit Philip Morrison planetary systems planets polarization possible present probes Project Cyclops pulsars pulse radar radiation radio astronomy radio frequency interference radio telescopes range receiver resolution satellite Science Workshop scientific Search for Signals Section SENS sensitivity SETI system signals from extraterrestrial solar system sources space spectral type spectrum star formation stellar strategy structure studies techniques temperature terrestrial transmitting University VLBI W/m² water hole wavelength