Reducing Leakage Effects and Measurement Time in Low-frequency Noise Measurements

被引：0

作者：

Scandurra, Graziella ^{[1
]}

Ciofi, Carmine ^{[1
]}

机构：

[1] Univ Messina, Dept Engn, Ctda Dio Snc, I-98166 Messina, Italy

来源：

FLUCTUATION AND NOISE LETTERS | 2025年 / 24卷 / 01期

关键词：

Low-frequency noise measurements; instrumentation; power spectra estimation;

D O I：

10.1142/S0219477524400583

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We propose a modified approach for DFT-based spectra and cross-spectra estimation that allows to significantly reduce the problem of spectral leakage at very low frequencies. This results in the ability to select larger resolution bandwidths that, in turn, allow for reduced measurement time for a given maximum level of statistical error in spectral points at very low frequencies.

引用

页数：11

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