coherent demod simulations

git-svn-id: https://freetel.svn.sourceforge.net/svnroot/freetel/codec2-dev@1156 01035d8c-6547-0410-b346-abe4f91aad63
static ear_protection

git-svn-id: https://freetel.svn.sourceforge.net/svnroot/freetel/codec2-dev@1157 01035d8c-6547-0410-b346-abe4f91aad63