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Area: 725: Space radiocommunications           Index language:

Hide details for [<u>Section 725-11: Satellites, spacecrafts and orbits</u>]Section 725-11: Satellites, spacecrafts and orbits
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spacecraft
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deep space
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space probe
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deep space probe
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satellite
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primary body (in relation to a satellite)
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orbit
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unperturbed orbit (of a satellite)
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(principal) reference plane (for a body in space)
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orbital elements
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orbital plane (of a satellite)
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direct orbit (of a satellite)
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retrograde orbit (of a satellite)
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circular orbit (of a satellite)
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elliptical orbit (of a satellite)
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equatorial orbit (of a satellite)
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polar orbit (of a satellite)
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inclined orbit (of a satellite)
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parking orbit
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transfer orbit
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inclination (of a satellite orbit)
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ascending node (of a satellite)
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descending node (of a satellite)
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line of nodes (of a satellite)
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longitude of the ascending node (of an earth satellite)
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precession (of the orbit of a satellite)
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apoapsis
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periapsis
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line of the apsides
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argument of periapsis
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apogee
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perigee
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altitude of the apogee
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altitude of the perigee
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period of revolution (of a satellite)
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anomalistic period
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nodal period
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sidereal period of revolution (of a satellite)
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thruster (of a spacecraft)
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roll axis (of a spacecraft)
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roll (of a spacecraft)
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roll (angle) (of a spacecraft)
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roll rate (of a spacecraft)
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pitch axis (of a spacecraft)
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pitch (of a spacecraft)
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pitch (angle) (of a spacecraft)
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pitch rate (of a spacecraft)
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yaw axis (of a spacecraft)
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yaw (of a spacecraft)
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yaw (angle) (of a spacecraft)
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yaw rate (of a spacecraft)
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attitude sensor (of a spacecraft)
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precession (of a rotating body)
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nutation
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nutation damper
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attitude stabilized satellite
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spin-stabilized satellite
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three-axis-stabilized satellite
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sidereal period of rotation
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station-keeping satellite
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synchronised satellite
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synchronous satellite
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sub-synchronous satellite
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super-synchronous satellite
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geosynchronous satellite
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stationary satellite
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geostationary satellite
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geostationary satellite orbit
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sun-synchronous satellite
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solar conjunction
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lunar conjunction
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geocentric angle
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topocentric angle
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exocentric angle
Hide details for [<u>Section 725-12: Space radio communication systems</u>]Section 725-12: Space radio communication systems
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(radio) station
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space station (in radiocommunication)
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Earth station
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terrestrial station
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land earth station
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mobile earth station
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land station
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mobile (terrestrial) station
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coast earth station
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ship earth station
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aeronautical earth station
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aircraft earth station
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base earth station
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land mobile earth station
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space radiocommunication
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terrestrial radiocommunication
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fixed-satellite service
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active satellite
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reflecting satellite
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space system
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satellite system
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satellite network
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up-link
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down-link
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inter-satellite link
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connection by satellite
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satellite link
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multi-satellite link
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multi-hop satellite link
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forward link (to a space station)
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return link (from a space station)
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forward link (in mobile satellite communication)
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return link (in mobile satellite communication)
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feeder link
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visible arc (of a satellite network)
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service arc (of a space station)
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nominal orbital position
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co-located satellites
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coordination distance
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coordination contour
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coordination area
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satellite broadcasting
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individual reception (in satellite broadcasting)
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community reception
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direct distribution by satellite
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indirect distribution by satellite
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satellite news gathering
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radiodetermination
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satellite radiodetermination
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radionavigation
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satellite radionavigation
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(space) tracking
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data relay satellite
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data collection satellite
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remote sensing satellite
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active sensor
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passive sensor
Hide details for [<u>Section 725-13: Antennas and beams</u>]Section 725-13: Antennas and beams
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coverage area, <of a space station>
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service area (of a space station)
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spill-over area
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footprint of a beam (of a satellite antenna)
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beam axis (of an antenna)
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electrical boresight, <of an antenna>
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boresight (in satellite broadcasting)
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multi-beam antenna
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global coverage beam
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spot beam (of a satellite antenna)
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shaped-beam antenna
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reconfigurable beam antenna
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contoured-beam antenna
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steerable satellite beam
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effective boresight area (of a steerable satellite beam)
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effective antenna gain contour (of a steerable satellite beam)
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hopping beam (in satellite communication)
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scanning beam (in satellite communication)
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figure of merit, <of an antenna receiving system>
Hide details for [<u>Section 725-14: Transmission</u>]Section 725-14: Transmission
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(radio) transponder
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transponder (in satellite communication)
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(transparent) transponder (in satellite communication)
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regenerating transponder (in satellite communication)
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backoff (of a non-linear amplifier)
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input backoff
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output backoff
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single channel per carrier
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multiplexing
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multiple access
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frequency division multiple access
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time division multiple access
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satellite-switched time division multiple access
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code division multiple access
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burst (in TDMA)
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time-slot
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frame, <in time division multiplexing>
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frame, <in time division multiple access>
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multiframe
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superframe
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timing recovery
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control burst (in TDMA)
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frame reference burst (in TDMA)
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preamble (in TDMA)
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demodulation synchronisation sequence (in TDMA)
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unique word (in TDMA)
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traffic burst (in TDMA)
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guard time (in TDMA)
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energy dispersal technique
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spread spectrum modulation
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direct sequence spread spectrum modulation
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frequency-hopping spread-spectrum modulation
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hybrid spread spectrum modulation
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chip


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