A Comparison of Time Delay Estimation Methods for Periodic Signals
نویسندگان
چکیده
A common problem in radar, ultrasound, acoustic and other fields is that of determining the delay between two signals. In many situations, it is possible to determine the delay of a sampled signal to an accuracy better than the sample period. This paper presents a comparison of a number of methods of estimating this subsample delay, with special attention to the case of periodic signals. The authors also suggest two methods, which perform better than previous methods in some situations.
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