2.1 Analog-to-Digital Signal Conversion: Main Principles2.1.1 Sampling Process2.1.2 Quantization and Signal Sampling Conversion2.1.3 Analog-to-Digital Conversion: Design Principles and Main Parameters2.1.3.1 Sampling and Quantization Errors2.1.3.2 Reliability2.2 Digital Generalized Detector for Coherent Impulse Signals2.2.1 Matched Filter2.2.2 Generalized Detector2.2.3 Digital Generalized Detector2.3 Convolution in Time Domain2.4 Convolution in Frequency Domain2.5 Examples of Some DGD Types2.6 Summary and DiscussionReferences