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The Constant False Alarm Rate (CFAR) algorithm is most commonly used for small target detection in SAR images. As the goodness-of-fit of distribution model to SAR clutter has great effect on the performance of algorithm, after a comprehensive statistical analysis of background clutters of different SAR data, a modified CFAR algorithm based on the Alpha-stable distribution is proposed for detecting...
As less attention has been devoted to land scattering in high-resolution SAR, especially satellite image, a comprehensive statistical analysis of COSMO/SkyMed SAR data is carried out in this paper. The images of different land types (such as bare soil, grassland, water, forestland, urban area and farmland) are analyzed by means of histogram, kurtosis and covariance estimation. As the experimental...
Pulse diagnosis is one of the most distinct theories in Traditional Chinese Medicine (TCM). The study on pulse diagnosis objectification is one of the most characteristics of pulse tracings study in modern times. According to the study characteristics, the study on pulse diagnosis standardization includes three aspects: electro-pulsograph development, clinical research and data statistical analysis...
Event surveillance especially the composite event surveillance is a crucial task for wireless sensor networks applications. However, sensor nodes are vulnerable by harsh environmental conditions, which cause sensor nodes fallibility and affect the quality of surveillance. In order to improve the surveillance quality of composite event, one straightforward method is to increase the number of wake-up...
By exploiting the statistical property of synthetic aperture radar (SAR) range-Doppler domain signal, a novel approach is proposed in this paper to solve the dilemma whether it is better to first estimate Doppler parameter or to determine range migration (RM) trajectory. The approach is performed in the range compressed range-Doppler domain. Its basic idea is to search for the ambiguity number mopt...
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