To filter out undesirable frequency content, time-frequency filtering and detection process are performed. 为了过滤掉不良内容的频率,时频滤波和检测过程的执行。 www.syyxw.com 2. A generalized time-frequency filtering method is presented for noise reduction of flight flutter testing data. 针对飞机颤振试...
pre filtering 预过滤,预滤波,前置滤波 time n. 1.时间;(Time)时间老人 2.(一段)时间 3.时刻;时令 4.规定时间;合适时候 5.时机;机会 6.(times)历史时期;时代 7.(times)时期;时势 8.( time, 时间 PERT/TIME PERT/TIME程序使用程序评价和审定技术,在工程执行的各阶段对工程进度进行分析的程序。 by...
We will show that time-frequency filtering can be used to estimate |H (t,ω)|2, a technique that is essentially a two-dimensional generalization of straight-forward, stationary methods. Further, we will see that |H(t, ω)|2 is closely related to the time-frequency representations of the...
1.On usingtime-frequency peak filteringin processing the scaled Doppler frequency and recovering the original scale,the outliers are successfully removed,based on the pseudo WVD with the small data window length.在分析多普勒频率估计野值点的成因和特点的基础上,对含有野值点的多普勒频率估计按比例调整到适...
Time-Frequency Filtering for LFM Based on S Transform The linear frequency modulation(LFM)is a classical non-stationary signal.The traditional analysis method based on the Fourier transform is not suitable to ... HS Chi,HX Wang,PH Zhao,... - 《Radio Communications Technology》 被引量: 2发表...
网络时频峰值滤波 网络释义 1. 时频峰值滤波 峰值滤波器,peak... ... ) peak clipper 峰值削波器 )time-frequency peak filtering时频峰值滤波) peak filter 峰值滤波器 ... www.dictall.com|基于2个网页 释义: 全部,时频峰值滤波
Time-frequency peak filtering is a novel technique for signal filtering and enhancement. The method is based upon encoding the signal as an instantaneous frequency (IF) and using IF analysis techniques to recover a filtered version of it. A general iterative time-frequency peak filtering (TFPF) ...
Aiming at the serious interference of the cross term existing in the time-frequency(TF) filtering method,an adaptive TF filtering method for nonstationary signals based on the generalized S-transform is proposed.Firstly the time-frequency distribution spectrum of the signal is got by the generalized...
1. 时频域滤波 ... ) time-frequency filter 时频滤波 ) time-frequency domain filtering 时频域滤波 ) time-frequency filter 时频滤波器 ... www.dictall.com|基于2个网页 例句 释义: 全部,时频域滤波 更多例句筛选 1. Frequency Response Function Estimation Using Time-Frequency Domain Filtering and Appl...
Based on the idea of time-frequency domain filtering a new instantaneous frequency estimation method is proposed which possesses the high time-frequency concentration of WVD and the cross-terms reduction ability of CWD. 基于时频域滤波的思想提出一种兼备高时频集聚性和交叉项抑制能力的瞬时频率估计方法...