block demodulation
常见例句
- Signal demodulation of automatic block with audio frequency shift modulated track circuits was implemented with phase-locked loop( PLL) technique and a singe chip microcomputer.
利用锁相环（LL）窄带跟踪特性，与单片机结合，实现自动闭塞系统移频信号解调。 返回 block demodulation