Abstract: The conventional laser triangulation displacement sensor (LTDS) is difficult to achieve large dynamic range and high precision measurement simultaneously, since LTDS is affected by factors ...

Abstract: Phase-locked loops (PLLs) are nonlinear automatic control circuits widely used in telecommunications, computer architecture, gyroscopes, and other applications. One of the key problems of ...

CHICAGO (AP) — A judge said Thursday she will order federal agents in Chicago to restrict using force against peaceful protesters and media, saying current practices violate their constitutional ...