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.
利用鎖相環（LL）窄帶跟蹤特性，與單片機結郃，實現自動閉塞系統移頻信號解調。 返回 block demodulation