Apparatus for finely synchronizing code signals

摘要

An apparatus for finely synchronizing code signals with an encoded received signal that includes: (a) a sampling device for sampling the received signal at regular sampling intervals; (b) a pulse shaper for shaping the sampled received signal pulses in order to output a first and second pulse-shaped sample in dependence on an autocorrelation function; (c) a buffer for buffering the two samples; (d) a code signal generator for generating the code signal; (e) correlation devices for correlating the generated code with the two buffered samples to form two correlation values; and (f) an interpolation device for forming an interpolation value as a function of the two pulse-shaped samples and the deviation between the two correlation values.