Helicopter classification using time-frequency analysis

被引：38
|
作者：
Yoon, SH [1 ]
Kim, B [1 ]
Kim, YS [1 ]
机构：
[1] Pohang Univ Sci & Technol, Div Elect & Comp Engn, Pohang 790784, Kyungpook, South Korea
来源：
ELECTRONICS LETTERS | 2000年 / 36卷 / 22期
关键词：
Time frequency analysis;
D O I：
10.1049/el:20001306
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Helicopters are important targets in many ground based radar systems, and it is highly desirable to have the capability to classify the detected helicopters. It is shown that time-frequency analysis can be used to determine the number of helicopter blades unambiguously. The rotational frequency of the main rotor can be obtained once the number of blades is determined, and these values can be used to identify the types of the helicopter in question.
引用
收藏
页码：1871 / 1872
页数：2
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