Fast and Accurate Frequency Estimation Using Sliding DFT

Details Fast and Accurate Frequency Estimation Using Sliding DFT Fast and Accurate Frequency Estimation Using Sliding DFT

2012-02-20

arxiv.org/abs/1202.4446v1

Computer Science

Systems and Control

4 pages,5 figures,To be submitted to IEEE Transactions on Signal Processing

Scientific paper

Frequency Estimation of a complex exponential is a problem relevant to a large number of fields. In this paper a computationally efficient and accurate frequency estimator is presented using the guaranteed stable Sliding DFT which gives stability as well as computational efficiency. The estimator approaches Jacobsen's estimator and Candan's estimator for large N with an extra correction term multiplied to it for the stabilization of the sliding DFT. Simulation results show that the performance of the proposed estimator were found to be better than Jacobsen's estimator and Candan's estimator.

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