The spectrum decorrelation assumption for the cross-spectrum method

TL;DR

This paper introduces a simple method to ensure the independence of consecutive spectra in oscillator noise analysis, which is crucial for the validity of cross-spectrum averaging techniques.

Contribution

The paper proposes a straightforward approach to guarantee spectrum decorrelation, enhancing the reliability of phase and frequency noise measurements.

Findings

Ensures independence of consecutive spectra in oscillator noise analysis.

Improves accuracy of cross-spectrum averaging methods.

Simplifies the process of validating spectral independence.

Abstract

This paper presents a very simple method ensuring the independence of consecutive spectra of the phase or frequency noise of an oscillator. This condition is essential for using cross-spectrum averages.