A METHUD CIF hUISE AYD REVERBERATION LIMITING fONlR *lOYITURSi
1988
The new method of noise and reverberation liinit,ing on SONAR scveei-~s consists in deriving t, he ret. urn co rx-rla t. ions of the signals of ectios in successive transmissions and successive 1.ange dist Id1lC:eS. .- As the strict correlat..ion co,iiI:.'.it.at,ion is time consuming. five critei.ia \..tiich check the space cokex.ence of- signals were proposed. inst.ead. The simulat.itsn performed have proved the pvact>ical iisefulness of. the tnet,trc:~d. It vas found t.hat ior a large det.ection prc>babilit,y t,he false alavni probability could be decreased bv a factor. about. 100. as conipar classical Ne\~riiail-Pear.scr)i-i me t.t.t . and various values of det..ect.ion probability. The niettiod proved to be useful for signal-to- noise rat..io larger than 0 dB and t,he det..ection probability largev than 0.5 .
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