Abstract: In this paper, a wideband vector-sum phase shifter with phase linearity enhancement technology is proposed to minimize phase error. The digital phase ...

Macworld At a glance Expert's Rating Pros ・Bargain price ・No subscriptions required ・Powerful editing tools ・Universal app ...

On a whim, you packed your bags and headed to a new city for a weekend getaway. No map, no plan; just a car, an open road and a vague desire to see the sights. You turn left, then right, then straight ...

Abstract: Remote sensing (RS) image change detection analyzes and determines the difference of surface states at different times. Polygons are common vector data to express the surface states in ...