The Search for Extraterrestrial Intelligence, SETIPhilip Morrison, John Billingham, John Wolfe National Aeronautics and Space Administration, Scientific and Technical Information Office, 1977 - 276 páginas |
Dentro del libro
Resultados 1-5 de 43
Página xi
... Frequency Band : The Water Hole Bernard M. Oliver 63 5. Search Strategies . 75 Charles L. Seeger 6. The Science of SETI . David C. Black and Mark A. Stull 93 III . COMPLEMENTARY DOCUMENTS 1. Alternative Methods of Communication John xi.
... Frequency Band : The Water Hole Bernard M. Oliver 63 5. Search Strategies . 75 Charles L. Seeger 6. The Science of SETI . David C. Black and Mark A. Stull 93 III . COMPLEMENTARY DOCUMENTS 1. Alternative Methods of Communication John xi.
Página xii
... Frequency Interference 185 Mark A. Stull and Charles L. Seeger 9. Protection of a Preferred Radio Frequency Band Mark A. Stull 193 10. Responses to a Questionnaire Sent to Leading Radio Observatories 199 Philip Morrison 11. The Soviet ...
... Frequency Interference 185 Mark A. Stull and Charles L. Seeger 9. Protection of a Preferred Radio Frequency Band Mark A. Stull 193 10. Responses to a Questionnaire Sent to Leading Radio Observatories 199 Philip Morrison 11. The Soviet ...
Página 19
... band receivers to cover the low - frequency end of the microwave window , means of resolving the received spectrum to a very high degree and means to search out and identify automatically any spectral anomalies . Since halving the ...
... band receivers to cover the low - frequency end of the microwave window , means of resolving the received spectrum to a very high degree and means to search out and identify automatically any spectral anomalies . Since halving the ...
Página 21
... frequency band as practicable . ( See Sections II - 5 and III - 3 . ) To be significant , a full sky survey should be able to detect coherent radiation at a flux level one or two orders of magnitude below that provided by existing radio ...
... frequency band as practicable . ( See Sections II - 5 and III - 3 . ) To be significant , a full sky survey should be able to detect coherent radiation at a flux level one or two orders of magnitude below that provided by existing radio ...
Página 28
... band data links on a continuous basis , and the logistics of servicing and maintaining and operating a complex system in space . However , space systems also give unique advantage with respect to system noise , sky and frequency ...
... band data links on a continuous basis , and the logistics of servicing and maintaining and operating a complex system in space . However , space systems also give unique advantage with respect to system noise , sky and frequency ...
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 bandwidth beam biological capabilities CETI clouds collecting area COMPLEMENTARY DOCUMENT cosmic cost cultural density detection direction distance Earth Earth-based electromagnetic emission energy extraterrestrial civilizations extraterrestrial intelligence factors flux level frequency band galactic Galaxy ground-based hydrogen interstellar communication interstellar medium interstellar search Jesse Greenstein Jet Propulsion Laboratory main sequence maser microwave window NASA noise observations Observatory optimum orbit Philip Morrison planetary systems planets polarization possible present problem Project Cyclops pulsars pulse radar radial velocity radiation radio astronomy radio frequency interference radio telescopes range received resolution satellite Science Workshop scientific search for extraterrestrial search for signals search strategy search system Section sensitivity SETI Program Office SETI system signals from extraterrestrial solar system sources space species spectral type spectrum star formation stellar studies techniques temperature terrestrial transmitters University W/m² water hole wavelength