Phần mềm xác định radio P6

The Front End of a Digital Transceiver The first question that might arise is: What is the digital front end? The notion of the digital front end (DFE) has been introduced by the author in several publications (e.g. [13]). Nonetheless it is useful to introduce the concept of the DFE at the beginning of this chapter. Several candidate receiver and transmitter schemes have been presented by Beach et al. in Chapter 2. They all have in common that they are different from the so-called ideal software radio insofar as the signal has to undergo some signal processing steps before the baseband...