摘要
拨号进程音(CPT)信号在数字通信及其它方面有着广泛的应用。将CPT信号在产生与检测集成到含有微控制器(MCU)的系统中,是一项较有价值的工程应用。本文首先介绍了CPT信号的发生,并集中计论了对该信号的检测,然后给出在飞思卡尔公司的MCF5249Coldfire微控制器上的实现方案,最后给也了Matlab的仿真结果,以检测CPT信号发生器及检测器的正确性。
Call Progress Tones have been widely used in digital communication and other areas. It is a valuable application to putthe generator and detector of CPT signal into MCU systems. This paper first describes the generation and detection of CPTsignal, then an implementation using Freescale MC F5249 Coldfire MCU is listed, and finally using Matlab to simulate and testvalidity of the generator and detector.
出处
《微型电脑应用》
2006年第2期42-44,2,共3页
Microcomputer Applications
