Digital Signal Processing Technique and Its Applications

As we know,digital technique has gained the great development in the ages,and it can be found in almost every engineering science including radio astronomy and radio telescope technique.In this paper,digital signal processing(DSP) technique and its applications arc discusucd.We mainly focus our attention to the basic concepts and methods of DSP,the precise theory and discussion arc not included in the content.Further more,various kinds of digital filters are also be considered emphatically.