Arry signal signal processing
Backup and restore of floopy disk and hard disk
disk scheduling basded on disk arm and rotational position
zip disk， zip disk drive
Cab Signal as the Dominant Signal
Digital Signal Level 0- Digital Signal Level 3 DS0-DS3
producing address signal and enable signal
Promoting Cab Signal as the Dominant Signal
separation of luminance signal and color signal
Signal with signal frequency
signal-noise ratio (=signal-to-noise ratio =SNR)
signal-to-noise ratio of strong signal
Transform voltage signal to current signal
unwanted signal， undesired signal
guard signal [= warning signal]
digital signal orbital signal circuit