Discrete signal power density spectrum null point producing appts.

摘要

The appts. maps time- and value-discrete source symbol sequence to a code symbol sequence from one signal space code (C1) with additive combination of a modification sequence from another such code (C2).The modification sequence is chosen so that for this combination to a target function comprising at least a linear combination of a function of the transmission system sequence energy and another function of its filtered counterpart shall have a min. value.