Image interpolation is an important technique of image processing.The blur and jaggy of image details or edges are inevitable during conventional image interpolation.
This paper presents an all-digital close-loop operation based on DSP circuits, which uses the two-frequency serrodyne modulation to modulate and demodulate the optic route.
Introducing a kind of dynamic capability study method which tested jumpiness of the sawblade made in Germany on the precision sizing saw machine, as well as vibration of principal rotation axle.