摘要
介绍双音多频信号的特点和拨号方式,以及双音多频信号硬件译码电路的原理;
The DTMF signal and the decoding of DTMF signal with hardware are introduced in this paper.Also introduced is the decoding with software of the DTME signal.
出处
《沈阳建筑工程学院学报》
CAS
1997年第2期151-153,共3页
Journal of Shenyang Archit Civil Eng Univ: Nat Sci
关键词
软件
解码
信号处理
双音多频
software
decoding
signal processing
DTMF