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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2012-11-24
A Modified Goodness-of-Fit Measurement for Radar Clutter Amplitude Statistics
By
Liang Li,

    Dr. Liang Li

    School of Electronic Engineering

    University of Electronic Science and Technology of China

    China

    Homepage

Lingjiang Kong,

    Prof. Lingjiang Kong

    University of Electronic Science and Technology of China

    China

    Homepage

Xiaobo Yang

    Dr. Xiaobo Yang

    School of Electronic Engineering

    University of Electronic Science and Technology of China

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 27, 151-165, 2012
doi:10.2528/PIERM12092104 | Google Scholar

Abstract
This paper addresses the application of measurement on goodness-of-fit (GoF) for amplitudes of radar clutter sample data against reference/theoretic parameterized probability density function (PDF). In general, various existing methods for this problem highly depend on empirical PDF parameters. This makes GoF assessments with these methods less perceivable and their accuracies are hard to control. A new method based on chi-squared type of measurement is proposed to overcome these difficulties. This method evaluates GoF by estimating the distance between the true PDF of the clutter data amplitude and the reference PDF. Hence the distance is statistically approximately independent with empirical PDF parameters. The new method has higher accuracy and symmetric property. It is especially useful for GoF comparison over multiple radar clutter data sets.
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Citation
Liang Li, Lingjiang Kong, and Xiaobo Yang, "A Modified Goodness-of-Fit Measurement for Radar Clutter Amplitude Statistics," Progress In Electromagnetics Research M, Vol. 27, 151-165, 2012.
doi:10.2528/PIERM12092104
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