Instantaneous frequency estimation from signal model

被引：0
|
作者：
Aamir, Khalid Mahmood [1 ]
Maud, Mohammad Ali
机构：
[1] Lahore Univ Management Sci, Dept Comp Sci, Lahore, Pakistan
[2] Univ Management & Technol, Dept Elect Engn, Lahore, Pakistan
来源：
Second International Conference on Emerging Technologies 2006, Proceedings | 2006年
关键词：
instantaneous frequency; signal modelling;
D O I：
10.1109/ICET.2006.335949
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Instantaneous frequency is defined as the average of the frequencies present in the signal at a particular instant. To estimate instantaneous frequency, window of N samples is taken at each time instant. In such techniques, N needs to be large enough. In this paper, we suggest autoregressive model of order 2 to estimate the instantaneous frequency. In this technique, N is not needed to be large. The over all complexity of this technique is linear in terms of signal length.
引用
收藏
页码：202 / 204
页数：3
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