CHAPTER 13
Blind Waveform Estimation
Sensor arrays are often used in practice to separate and estimate the waveforms of superimposed signals that share similar frequency spectra but have different spatial structure. Source waveform recovery is traditionally a data communication problem, but the signal-processing techniques developed in this field also have a number of practical radar-related applications. For example, passive radar systems require a “clean copy” of the waveform transmitted by an uncooperative source to perform effective matched filtering. Such systems often receive signals from an emitter of opportunity that are contaminated by ...
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