Title :
Design and realization of the receiving signal demodulation system of uninsulation audio frequency track circuit on the basis of TMS320C32
Author :
Yan-zhen, W. ; Yong-sheng, Chen ; Jing-xiang, Xu
Author_Institution :
Dept. of Telecommun., Shanghai Tiedao Univ., China
Abstract :
This paper aiming at the characteristic of the ASK signal in audio frequency track circuit without insulation presents a new algorithm to demodulate the ASK signal-the demodulation algorithm of ZFFT, designs a demodulation system on the basis of TMS320C32. The result of experimentation shows that the system can demodulate the ASK signal reliably. It accords with the requirement in locale
Keywords :
amplitude shift keying; audio equipment; demodulation; digital signal processing chips; fast Fourier transforms; ASK signal; TMS320C32; ZFFT; audio frequency track circuit; receiving signal demodulation system; uninsulation audio frequency track circuit; Amplitude shift keying; Band pass filters; Circuits; Demodulation; Finite impulse response filter; Frequency modulation; Insulation life; Sampling methods; Signal design; Signal resolution;
Conference_Titel :
Signal Processing Proceedings, 2000. WCCC-ICSP 2000. 5th International Conference on
Conference_Location :
Beijing
Print_ISBN :
0-7803-5747-7
DOI :
10.1109/ICOSP.2000.894447
