A multi-pass frequency hop timing acquisition correlator that produces a more accurate time estimate from the fast acquisition frequency hop signal is disclosed. The time estimate produced by the multi-pass acquisition correlator is more accurate than the ¼ hop estimate produced by single-pass fast...http://www.google.com.tw/patents/US7092429?utm_source=gb-gplus-share專利 US7092429 - Multi-pass frequency hop-acquisition correlator
