SMITHS ADVANCES COMMUNICATION FOR MARS Case Study
●Mars is prone to savage dust storms, has a surface pressure of 101.3kPa - just 0.6% of the Earth’s, and its surface temperature varies from -63°C (-81°F) to 14°C (57°F), although can hit lows of −143°C (−225°F) and highs of 35°C (95°F).
●Left unmitigated, these extreme temperatures, in particular, would cause significant variability in communication system performance – both in terms of signal range and quality. Long term, system reliability would also deteriorate significantly.
●Adding to the challenge, the solution needed to be light-weight and small yet a minimal drain on the precious energy of the spacecraft for the term of the mission. Yet, conventional solutions to compensate for the distortive impact of extreme temperatures on signals required too many active components. They took up too much board space and power, and still suffered an unacceptable level of signal distortion.
●New thinking was required.
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[ Mars Rover ] |
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Case Study |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2018/6/7 |
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123 KB |
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