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swept local oscillator

См. также в других словарях:

  • Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …   Wikipedia

  • Spectrum analyzer — A spectrum analyzer Spectrum analyzer display A spectrum analyzer measures the magnitude of an input signal versus frequency with …   Wikipedia

  • AZUSA — refers to a ground based radar tracking system installed at Cape Canaveral, Florida and the NASA Kennedy Space Center. AZUSA dated back to the early 1950s and was named after the southern California town (Azusa, California) where the system was… …   Wikipedia

  • History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

  • mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …   Universalium

  • ALSE — The ALSE (Apollo Lunar Sounder Experiment) (also known as Scientific Experiment S 209, according to NASA designations) was a ground penetrating radar (subsurface sounder) experiment that flew on the Apollo 17 mission. Mission and Science This… …   Wikipedia

  • Project Cyclops — [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19730010095 1973010095.pdf NASA Technical Report CR 114445 Project Cyclops: A design study of a system for detecting extraterrestial intelligent life] . 14.5 MB pdf file.] was a 1971 NASA… …   Wikipedia

  • Pulse-Doppler radar — Pulse Doppler is a radar system capable of not only detecting target location (bearing, range, and altitude), but also measuring its radial velocity (range rate). It uses the Doppler effect to determine the relative velocity of objects; pulses of …   Wikipedia

  • Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …   Wikipedia

  • New Horizons — For other uses, see New Horizons (disambiguation). New Horizons Operator NASA Major contractors Applied Physics Laboratory (APL) Southwest Research Institute (SwRI) …   Wikipedia

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