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宇宙真空測量的理論與技術(shù)

The theory and the technology of the space vacuum measurement

  • 摘要: 在行星上和在航天器上測量行星表面同一時刻、同一位置的大氣密度，會得到不同的測量數(shù)據(jù)，必須經(jīng)過坐標(biāo)系轉(zhuǎn)換把航天器上的測量數(shù)據(jù)轉(zhuǎn)換成行星坐標(biāo)系的數(shù)據(jù)才可和地面觀測數(shù)據(jù)比較。文章系統(tǒng)地歸納了宇宙真空測量的理論與技術(shù)，改正了相應(yīng)的坐標(biāo)轉(zhuǎn)換公式，對之進行了合理性討論，推導(dǎo)出分子流密度和大氣壓強的轉(zhuǎn)換公式并建立了地面校準(zhǔn)宇航速度定向分子流壓強及壓強的模擬理論，形成了比較完整的宇宙真空測量理論體系。從該理論體系出發(fā)，提出了宇宙真空測量技術(shù)方案的建議。

     

    Abstract: For the atmospheric density near the planetary surface on the planet fixed system or on a spacecraft in the same place at the same time, different measured data are usually obtained. If we want to compare these two sets of measured data, one must convert the measured data from the spacecraft coordinate system to the planet coordinate system through a transformation. On the basis of the theory and the technology of the space vacuum measurements, this paper has obtained the corresponding transformation formulas and validated them. The formulas for the molecular flow density and the atmospheric pressure on spacecraft are derived. The simulation theory for calibrating the directed molecular flow density and pressure is established. Thus, a complete theoretical system for space vacuum measurements is formed. Based on this theoretical system, some recommendations are made for the space vacuum measurement program.

     

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