9
Adaptive Signal Processing
9.1 Introduction
In this chapter, which introduces a type of system we have not yet considered, we will be relying on the discussions of linear least-squares systems in Chapter 8. Adaptive signal processing systems, as introduced here, are time-varying versions of the systems in Chapter 8, in which the weights are varied to allow the systems to adapt to trends or variations in the statistical properties of nonstationary signals.
Adaptive signal processing systems appear in many different forms, including all of the different applications mentioned in Chapter 8. The diversity has been promoted by developments in microelectronics that have greatly increased the amount of computing possible in real-time ...
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