shan - sign
- shange focal length of a tv camera
- shannon capacity
- shannon theorem
- shape
- shape change
- shape coverage area by a satellite array
- shape of frequency response
- shaped beam
- shaped mirror
- shaped pattern
- shaper
- shaping
- shared access
- sharing computing center
- sharp image
- sharpness
- sheet
- sheet of the antenna
- sheet-fed plotter
- shelf aging
- shell electron
- shield
- shield grid
- shield potential
- shield potential is equal to the ground potential
- shield size
- shield the coil
- shield the line scanner block
- shield the rectifier
- shield the transformer
- shielded cable
- shielded coil
- shielded probe
- shielded tube
- shielded wire
- shielding
- shielding constant
- shielding effectiveness
- shielding efficiency
- shielding is effected by an earthed metal screen