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- W2143404503 abstract "The practical implementation of adaptive Doppler filters requires estimates of clutter parameters to determine the adaptive weights. A method of deriving the estimate via the sample matrix inversion (SMI) algorithm using multiple data snapshots from adjacent range cells is presented. For homogeneous clutter environments, the results of this technique asymptotically approach the optimum (a priori known covariance matrix) as the number of snapshots approaches infinity; this asymptotic behavior does not occur for heterogeneous clutter environments. An equation for the decrease in improvement factor is derived. To promote understanding, the simplified special case of narrowband clutter is considered in detail. In almost all cases, the loss is small. >" @default.
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- W2143404503 date "1990-05-01" @default.
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- W2143404503 title "An effect of range-heterogeneous clutter on adaptive Doppler filters" @default.
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- W2143404503 doi "https://doi.org/10.1109/7.106124" @default.
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