A feedforward tracking filter. Part 2: Noise performance and applications
- 1 January 1987
- journal article
- Published by Institution of Engineering and Technology (IET) in Journal of the Institution of Electronic and Radio Engineers
- Vol. 57 (6) , 272-280
- https://doi.org/10.1049/jiere.1987.0095
Abstract
The performance of a Feedforward Tracking Filter (FTF) in the presence of white additive Gaussian noise is analysed. By studying the spectral properties and input-output signal-to-noise ratio (SNR), it is observed that the output of the nonlinear bandpass model of the FTF contains a mixture of signal and noise cross-modulation products. Due to the nonlinear effect, the FTF achieves tracking abilities at the expense of SNR. In addition, the probability density function of the phase error is evaluated. Finally, experimental results to verify the analysis and an application of the FTF to a fast carrier recovery system are presented.Keywords
This publication has 1 reference indexed in Scilit:
- An Introduction to the Theory of Random Signals and NoisePhysics Today, 1958