PROCESSING OF SIGNALS FROM GLOBAL NAVIGATION SATELLITE SYSTEMS BY A GRAPHICS PROCESSOR

摘要

The programmable graphics processor processing a signal from a global navigation satellite system ("GNSS"); has a rasterizer unit, a pixel shader unit and a memory unit. GNSS satellite, received signal converted into a digitized form of the received signal, and transformed by a programmable graphics processor, wherein an array of a corresponding data of the digitized form signal is stored in the memory unit and operated by the pixel shader unit forming a resulting array, written into the memory unit at the first address (see figure 3). A first address and values of the endpoints of the array of the corresponding data of the digitized form signal are supplied to the rasterizer unit. The rasterizer unit interpolates values between values of endpoints of the array. The values of the endpoints and the interpolated values of the array correspond to addresses in the memory unit for the array of the corresponding data of the digitized form signal.