42. The correlator of claim 38 wherein said scaled, stored ramp-weighted segment sums are accumulated to provide a ramp-weighted accumulated value, and further comprising means for applying a normalization factor a1 to said ramp-weighted accumulated value.
43. The correlator of claim 42 wherein said ramp weights W(k)=2k-1, k=1 to L/N, and said normalization factor a1=N/[2L].