Adaptive Line Enhancement of Complex Sinusoids in Noise with Multirate Techniques

E. Arias-de-Reyna, J.I. Acha-Catalina, and J. Biscarri-Triviño (Spain)


ALE, multirate, upsampling, estimation of signal parameters.


In this paper, an adaptive line enhancer (ALE) for complex sinusoids embedded in wideband noise is proposed. A high convergence speed is achieved due to the use of multirate techniques. Simulations show good tracking performance when selective upsampling is applied to the noisy sinusoid.

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