- pilot balloon ascent
- 测风气球施放
Atmospheric Sciences (English-Chinese) dictionary. 2014.
pilot balloon ascent
Look at other dictionaries:
pilot balloon — noun A small unmanned balloon whose ascent is followed by a theodolite to obtain data for the computation of the speed and direction of winds in the upper air. Syn: pibal … Wiktionary
balloon flight — ▪ aviation Introduction passage through the air of a balloon that contains a buoyant gas, such as helium or heated air, for which reason it is also known as lighter than air free flight. Unmanned balloons have been used to carry meteorological… … Universalium
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Ceiling balloon — A ceiling balloon is used by meteorologists to determine the height of the base of clouds above ground level during daylight hours.The principle behind the ceiling balloon is a balloon with a known ascent rate (how fast it climbs) and determining … Wikipedia
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Joseph Kittinger — Joseph W. Kittinger II Joseph W. Kittinger II Nickname Red … Wikipedia
Hot air ballooning — is the activity of flying hot air balloons. Attractive aspects of ballooning include the exceptional quiet (except when the propane burners are firing), the lack of a feeling of movement, and the bird s eye view. Since the balloon moves with the… … Wikipedia
Collocation (remote sensing) — Collocation is a procedure used in remote sensing to match measurements from two or more different instruments. This is done for two main reasons: for validation purposes when comparing measurements of the same variable, and to relate… … Wikipedia
