Articles | Volume 17, issue 14
https://doi.org/10.5194/amt-17-4197-2024
https://doi.org/10.5194/amt-17-4197-2024
Research article
 | 
17 Jul 2024
Research article |  | 17 Jul 2024

Variance estimations in the presence of intermittent interference and their applications to incoherent scatter radar signal processing

Qihou Zhou, Yanlin Li, and Yun Gong

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Latest update: 12 Dec 2024
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Short summary
We discuss several robust estimators to compute the variance of a normally distributed random variable to deal with interference. Compared to rank-based estimators, the methods based on the geometric mean are more accurate and are computationally more efficient. We apply three robust estimators to incoherent scatter power and velocity processing, along with the traditional sample mean estimator. The best estimator is a hybrid estimator that combines the sample mean and a robust estimator.