sdr_3_multirate_signal_processingSoftware Radios 3. Multirate signal processing 1 ! " # # $ " " % # & ' " ( ) 2 Software Radios 3. Multirate signal processing 1 !" * + , % ' + * % ) ' " ) $ * + + * / . . ' ) - Software Radios 3. Multirate signal processing 3 ! " ! + , , ., + , + " % % ,' 0 01 2 / ) , 3' 0 42 / ) $ Multirate system Input digital signal x(n) x(n) fs=F0 w(k) f s = F0 1 M L Subsystem 1 Subsystem K 1 y(m) f s = F0 1 K M M 1 Output digital signal y(m) L L K Software Radios 3. Multirate signal processing 4 2 # # $ ( ( % & # $ ' !" Multiplication Analog signal Impulse train Important parameter T Software Radios 3. Multirate signal processing 5 Discrete signal # # $ % ) * % & # $ '! " ( Convolution Analog signal Important parameter fmax Image Image Impulse train Software……