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Overview of the universe, our solar system and the ... - APRSAF

Overview of the universe, our solar system and the ... - APRSAF

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Fine structure <strong>of</strong> <strong>the</strong> atmosphere(by<br />

using Radio Wave)<br />

• Doppler Effect:Temperature Height<br />

pr<strong>of</strong>ile 、<br />

degree <strong>of</strong> stratification<br />

• Fluctuation <strong>of</strong> intensity<br />

→ turbulence、H 2 SO 4 vap<strong>our</strong><br />

Ground<br />

station<br />

Venus<br />

atmosphere<br />

Frequency stability<br />

Spacecraft<br />

2,8GHz, -0.01Hz 4x10 -12

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