Statistical analysis of the time-delay digital tanlock loop in the presence of gaussian noise

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Statistical analysis of the time-delay digital tanlock loop in the presence of gaussian noise

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Title: Statistical analysis of the time-delay digital tanlock loop in the presence of gaussian noise
Author: Hussain, Z.M.; Boashash, B
Abstract: In this work we analyze the perfonnance of the newly proposed digital tanlock loop in the presence of additive Gaussian noise. It is shown that the expected value of the steady-state phase errors at the input and the output of the phase error detector are equal to the noise-free steady-state values, while the variance is significantly reduced when the signal-to-noise ratio is increased or the phase shift (introduced by the time-delay) approaches 90-degrees.
Description: This paper shows that the performance of the time-delay digital tanlock loop (TDTL) in the presence of additive Gaussian noise is satisfactory and comparable to that of the conventional digital tanlock loop despite the reduced structure of TDTL. (Other relevant details can be found in the comprehensive book on Time-Frequency Signal Analysis and Processing (see http://www.elsevier.com/locate/isbn/0080443354). In addition, the most recent upgrade of the original software package that calculates Time-Frequency Distributions and Instantaneous Frequency estimators can be downloaded from the web site: www.time-frequency.net. This was the first software developed in the field, and it was first released publicly in 1987 at the 1st ISSPA conference held in Brisbane, Australia, and then continuously updated).
URI: http://hdl.handle.net/10576/10825
Date: 2001-05

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