space frequency
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space frequency — erdvinis dažnis statusas T sritis fizika atitikmenys: angl. space frequency vok. räumliche Frequenz, f rus. пространственная частота, f pranc. fréquence spatiale, f … Fizikos terminų žodynas
Frequency-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) … Wikipedia
Space-Based Radar — refers to space borne radar systems that may have any of a variety of purposes. A number of earth observing radar satellites, such as RadarSat, have employed synthetic aperture radar (SAR) to obtain terrain and land cover information about the… … Wikipedia
Space solar power — Space based solar power (SBSP or SSP) is the conversion of solar energy into power, usable either in space or on earth, from a location in space, usually geosynchronous orbit (GSO). Photovoltaics (PV) would generally be utilized for energy… … Wikipedia
Space Electronics — LLC is a company based in Connecticut that specializes in mass properties measurement instruments.HistoryDick Boynton founded Space Electronics in 1959 while attending graduate courses at Yale University. The company existed in Dick s basement… … Wikipedia
Frequency-hopping spread spectrum — (FHSS) is a method of transmitting radio signals by rapidly switching a carrier among many frequency channels, using a pseudorandom sequence known to both transmitter and receiver. A spread spectrum transmission offers three main advantages over… … Wikipedia
Space-themed music — is any music, from any genre or style, with lyrics or titles relating to outer space or space travel.Songs or other musical forms influenced by the concept of outer space have appeared in music throughout history, both in instrumental and vocal… … Wikipedia
Space observatory — Space observatories Space observatories and their wavelength working ranges Website http://nssdc.gsfc.nasa.gov/astro/astrolist.html … Wikipedia
Space modulation — is a radio Amplitude Modulation technique used in Instrument Landing Systems that incorporates the use of multiple antennas fed with various radio frequency powers and phases to create different depths of modulation within airspace. This… … Wikipedia
Space elevator safety — There are many safety issues associated with the construction and operation of a space elevator. A space elevator would present a considerable navigational hazard, both to aircraft and spacecraft. Aircraft could be dealt with by means of simple… … Wikipedia
