1.1 The research significance of the BE technology1.2 The application of BE technology1.2.1 The application in digital television1.2.2 The application in CATV system1.2.3 The application in smart antenna1.2.4 The application in software radio1.2.5 The application in blind image restoration1.2.6 The application in radiofrequency identification1.3 The research progress of neural network BE algorithm1.3.1 The FFNN BE algorithm1.3.2 The BE algorithm based on FBNN1.3.3 The FNN BE algorithm1.3.4 The ENN BE algorithm1.3.5 BE algorithm based on WNN1.4 The research background and structure1.4.1 The research background1.4.2 The structure of the book