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The polarimetric detection problem for 2-D vector sensor is reformulated based on quaternion technique. The quaternion-formed detectors are deduced and analyzed in different quaternion proper Gaussian noises, mainly for Q-proper and C-proper cases. The entropy method is applied to verify the equivalence of quaternion and complex second order statistics (SOS). The similar behaviors of quaternion and...
Quaternion technique is applied to model the polarimetric statistical MIMO radar system, where electromagnetic vector sensors are employed at each receiver to exploit polarization information of reflected signal. Based on the refined quaternion model, quaternion adaptive detector and its complex counterpart are compared and analyzed. The quaternion adaptive detector outperforms its complex counterpart...
The passive polarimetric detection problem for vector-sensor array is formulated based on quaternion. The quaternion-formed detectors are deduced and analyzed in the presence of different quaternion proper noise. The properness of quaternion Gaussian noise, especially for the C-proper and Q-proper cases in this paper, is discussed based on the second order statistics (SOS) of the complex components...
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