A frequency estimation method for two adjacent frequencies

• Published in: Measurement : journal of the International Measurement Confederation Vol. 157; p. 107614
• Main Authors: Li, Rui, Xuan, Jianping, Shi, Tielin
• Format: Journal Article
• Language: English
• Published: London Elsevier Ltd 01.06.2020; Elsevier Science Ltd
• Subjects: Bins; Estimating techniques; Frequencies; Frequency estimation; Interference; Lobes; Measurement errors; Multi frequency components; Side-lobe; Spectral interference; Zero padding; Spectral interference; Frequency estimation; Side-lobe; Zero padding; Multi frequency components

•Rather than based on the main lobe, the proposed method based on the first side-lobes.•The proposed method suitable for the estimation of two closely adjacent two frequencies.•When the distance of two frequencies is bigger than 1.5 bins, the maximum estimation error is 0.07 bins. The frequency-doma...