Title :
Design and realization of IF digital demodulator based on software radio
Author :
Long, Ziye ; Wang, Chenxi ; Cai, Derong ; Li, Xiaoli ; Zhu, Jing
Author_Institution :
Naval Acad. of Armament, Beijing, Beijing, China
Abstract :
The paper introduces a design based on high speed A/D, digital down converter, large capability SDRAM and hardware platform of high speed digital signal processor using and the realization of demodulation of FSK, BPSK, QPSK, ASK in different speed by different algorithms. The intermediate frequency digital demodulator has the feature of flexibility and fast refresh. The paper introduces the structure composition and working principle of the demodulator, and theoretical derivation and application description of the algorithm involved in digital demodulation.
Keywords :
demodulators; software radio; IF digital demodulator; digital demodulation; digital signal processor; hardware platform; intermediate frequency digital demodulator; software radio; Algorithm design and analysis; Binary phase shift keying; Demodulation; Digital signal processors; Frequency shift keying; Hardware; SDRAM; Signal design; Signal processing algorithms; Software radio; demodulation algorithm; digital signal processing; programmable digital down converter; software;
Conference_Titel :
Electronic Measurement & Instruments, 2009. ICEMI '09. 9th International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-3863-1
Electronic_ISBN :
978-1-4244-3864-8
DOI :
10.1109/ICEMI.2009.5274592
