摘要
对近年来频谱校正领域中离散密集频谱细化分析与校正方法的理论研究和发展现状进行了回顾。根据信号所包含的频率分量的数目,将密集频谱细化分析与校正方法分为两类:一类是包含两个密集频率成分信号的频谱细化方法,另一类是包含三个及以上密集频率成分信号的频谱细化方法。综合阐明了各种离散密集频谱细化分析与校正方法的基本思想、算法原理、特点及其在工程中的应用。分析了现有密集频谱细化分析与校正方法的优缺点,并对离散密集频谱细化分析与校正领域的发展前景进行了展望。
Theoretical studying and the most rent advances of discrete intensive frequency spectrum zooming analysis and correction methodology were reviewed. According to the number of frequency components included in a spectrum, the existing methods were classified into two kinds. One kind of methods dealed with spectra including only two frequency components, the other was related to spectra including more than three frequency components. The detailed presentations were made involving basic theory, algorithm principle, characteristics and application of each method. The deficiency of the current spectrum zooming methods were discussed, and some future studying directions in discrete intensive frequency spectrum zooming analysis and correction area were pointed out.
出处
《振动与冲击》
EI
CSCD
北大核心
2012年第21期112-119,151,共9页
Journal of Vibration and Shock
基金
国家自然科学基金(60871098
61271449)
重庆市自然科学基金(CSTC2011BA2015)
关键词
密集频谱
频谱校正
频谱细化
频率细化
intensive spectrum
spectrum correction
spectrum zoom
frequency zoom
