Multichannel Modified Covariance Estimator of a Single-Tone Frequency

Abstract

The multichannel modified covariance estimator of a single-tone signal frequency is synthesized by using the maximum likelihood method. It is shown that this estimator has an advantage over the estimator averaged by multiple conventional single-channel ones. The particular case of a complex signal is also considered.

Keywords

• single-tone harmonic
• autoregressive model
• modified covariance
• multichannel
• complex signal
• frequency
• estimation
• maximum likelihood