The Mean Square Error (MSE) Performance Criteria
Adaptive signal processing algorithms generally attempt to optimize a performance measure that is a function of the unknown parameters to be identified. The most pervasive of these performance measures are based upon squared prediction errors, although the specific prediction error used in adaptation often depends upon the particular algorithm. Two broad categories of adaptive signal processing methods are: (1) stochastic and (2) exact. The latter category refers to adaptive filters based upon the actual or exact data signals acquired. The recursive least squares techniques comprising Chapters 8–11 are examples of these exact techniques, and investigation of those techniques will be deferred until the later chapters.
KeywordsRadar Lime Autocorrelation Acoustics
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