- radar distance meter
- 雷達測距儀
English-Chinese dictionary. 2013.
English-Chinese dictionary. 2013.
Types and uses of radar — Radar has many different types and applications: * Search radars scan a wide area with pulses of short radio waves. They usually scan the area two to four times a minute. The waves are usually less than a meter long. Ships and planes are metal,… … 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
Continuous-wave radar — is a type of radar system where a known stable frequency continuous wave radio energy is transmitted and then received from any reflecting objects.[1]Continuous wave (CW) radar uses Doppler, which renders the radar immune to interference from… … Wikipedia
Weather radar — in Norman, Oklahoma with rainshaft … Wikipedia
Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… … Wikipedia
Cosmic distance ladder — * Light green boxes: Technique applicable to star forming galaxies. * Light blue boxes: Technique applicable to Population II galaxies. * Light Purple boxes: Geometric distance technique. * Light Red box: The planetary nebula luminosity function… … Wikipedia
Synthetic Aperture Radar — Radaraufnahme (SIR C/X SAR) des Vulkans Teide auf Teneriffa aus dem Space Shuttle Endeavour Ein Synthetic Aperture Radar (Abkürzung: SAR; deutsch etwa: „Radar mit synthetischer Apertur“) gehört zur Klasse der abbildenden Radare und wird als… … Deutsch Wikipedia
Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea … Wikipedia
HD 10307 — A/B Observation data Epoch J2000.0 Equinox J2000.0 Constellation Andromeda Right ascension 01h 41m 47.1s Declination +42° 36 48.1 … Wikipedia
Furuno — The Furuno Electric Company was founded in Nagasaki, Japan in 1938. The company sells Marine Electronics and has subsidiaries in the USA, Europe, China. 1938 to 1969 1938 FURUNO ELECTRIC SHOKAI LTD. founded in Nagasaki, Japan 1948 Commercialized… … Wikipedia
Abkürzungen/Luftfahrt/L–R — Dies ist der vierte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K … Deutsch Wikipedia