Signal detection in the presence of inaccurate multipath time delay modeling
Isabel M. G. Lourtie, G. Clifford Carter · The Journal of the Acoustical Society of America · 1990
In this paper, a new class of signal detectors is considered whose structure is similar to the log-likelihood detector developed under low signal-to-noise ratio conditions, but with different choices to the sensor filters. In the presence of incorrect delay assumptions, the performance of the log-likelihood processor is analyzed and interpreted. Based on this study, ad hoc detectors are proposed, and their performance compared to that of the log-likelihood structure. It is shown that, for increasing misadjustment in the delay assumptions, the performance of the proposed ad hoc detectors is superior.