吉首大学学报（自然科学版）2023，Vol.44Issue(6)：20-27,66,9.DOI:10.13438/j.cnki.jdzk.2023.06.004
基于MSLDSMC窗的谐波与间谐波参数估计算法
Harmonic and Inter-Harmonic Parameter Estimation Algorithm Based on MSLDSMC Window
摘要
Abstract
The fast Fourier transform(FFT)method may encounter spectral leakage and picket fence effect in harmonic detection,resulting in low accuracy in detecting harmonic and inter-harmonic parame-ters.To improve the detection accuracy,based on the maximum side lobe decay window(MSLD)with excellent sidelobe characteristics,we have constructe an MSLD self-multiplication-convolution window(MSLDSMC)by multiplication and convolution operations.On this basis we propos a high-precision esti-mation algorithm for harmonic and inter-harmonic parameters of three spectral line interpolation.Simula-tion experiments conducted in different complex scenarios verify the accuracy of harmonic and inter-har-monic parameter estimation algorithms based on MSLDSMC window three spectral line interpolation.关键词
谐波分析/最大旁瓣衰减自乘-自卷窗/三谱线插值/多项式拟合/间谐波Key words
harmonic analysis/maximum side lobe decay self-multiplication-convolution window/three spectral line interpolation/polynomial fit/inter-harmonic分类
电子信息工程引用本文复制引用
陈乾明,张志威,李明皓,汪旭明,雷可君..基于MSLDSMC窗的谐波与间谐波参数估计算法[J].吉首大学学报（自然科学版）,2023,44(6):20-27,66,9.基金项目
国家自然科学基金资助项目(62161012,61861019) （62161012,61861019）
湖南省教育厅科学研究项目(21A0335) （21A0335）
国家级大学生创新创业训练项目(S201910531004,S202010531009,202110531029) （S201910531004,S202010531009,202110531029）
湖南省教学改革研究项目(2021JGSZ089,HNJG-2020-0562) （2021JGSZ089,HNJG-2020-0562）
