Journal of Astronomy and Space Sciences

The Korean Space Science Society (한국우주과학회)
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A Study on the Enhancement of Detection Performance of Space Situational Awareness Radar System

  • Received : 2018.11.26
  • Accepted : 2018.12.11
  • Published : 2018.12.15
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Abstract

Radar sensors are used for space situational awareness (SSA) to determine collision risk and detect re-entry of space objects. The capability of SSA radar system includes radar sensitivity such as the detectable radar cross-section as a function of range and tracking capability to indicate tracking time and measurement errors. The time duration of the target staying in a range cell is short; therefore, the signal-to-noise ratio cannot be improved through the pulse integration method used in pulse-Doppler signal processing. In this study, a method of improving the signal-to-noise ratio during range migration is presented. The improved detection performance from signal processing gains realized in this study can be used as a basis for comprehensively designing an SSA radar system.

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References

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