XIA Wei, JIANG Wenying, ZHU Lingfeng. An Adaptive Time Delay Estimator Based on ETDE Algorithm with Noisy Measurements[J]. Chinese Journal of Electronics, 2017, 26(4): 760-767. doi: 10.1049/cje.2017.04.011
Citation: XIA Wei, JIANG Wenying, ZHU Lingfeng. An Adaptive Time Delay Estimator Based on ETDE Algorithm with Noisy Measurements[J]. Chinese Journal of Electronics, 2017, 26(4): 760-767. doi: 10.1049/cje.2017.04.011

An Adaptive Time Delay Estimator Based on ETDE Algorithm with Noisy Measurements

doi: 10.1049/cje.2017.04.011
Funds:  This work is supported by the National Natural Science Foundation of China (No.61101173, No.61371184).
  • Received Date: 2015-04-28
  • Rev Recd Date: 2015-11-26
  • Publish Date: 2017-07-10
  • We address the problem of adaptive time delay estimation with noisy measurements. We develop a computationally efficient adaptive time delay estimator based on Explicit time delay estimation (ETDE) algorithm, by applying the unbiased impulse response estimation approach. In this algorithm, a weighted error function is derived, and the time delay is explicitly parameterized in the filter coefficients and iteratively updated directly by utilizing the modified error function. Simulations validate the performance of the proposed algorithm for colored input and low signal-to-noise ratio scenarios.
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