Chirplet based nonnegative time-frequency distribution for FM(m)let transform
文献类型：期刊论文
| 作者 | Zou, HX; Wang, DJ ; Dai, QH; Li, YD
|
| 刊名 | CHINESE JOURNAL OF ELECTRONICS
 |
| 出版日期 | 2005-07-01 |
| 卷号 | 14期号:3页码:509-512 |
| 关键词 | FM(m)let transform chirplet transform matching pursuit nonnegativity |
| 英文摘要 | This paper proposes a method of devising a nonnegative Time-frequency distribution (TFD) for displaying the decomposition results of FM(m)let transform. Underlying this method are the facts that the chirplet is a special case of FM(m)let and that the Wigner-ville distribution (WVD) of Gaussian chirplet is nonnegative. The true essence of the method is to migrate the values of WVDs of Gaussian chirplets to the positions of Instantaneous frequencies (IFs) of the best matched FM(m)let atoms for different signal components. The relative merits and usefulness of the resulting TFD are twofold: First, it is nonnegative; second, its localization is identical to that of WVD. Therefore, the resulting TFD is more flexible and advantageous for delineating the time-varying spectral contents of a nonstationary signal. |
| WOS标题词 | Science & Technology ; Technology |
| 类目[WOS] | Engineering, Electrical & Electronic |
| 研究领域[WOS] | Engineering |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000230509500030 |
| 公开日期 | 2015-12-24 |
| 源URL | [http://ir.ia.ac.cn/handle/173211/9111]  |
| 专题 | 自动化研究所_09年以前成果 |
| 作者单位 | 1.Tsing Hua Univ, Dept Automat, Beijing 100084, Peoples R China 2.Tsing Hua Univ, State Key Lab Intelligent Technol & Syst, Beijing 100084, Peoples R China 3.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China 4.Tsing Hua Univ, Dept Math Sci, Beijing 100084, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zou, HX,Wang, DJ,Dai, QH,et al. Chirplet based nonnegative time-frequency distribution for FM(m)let transform[J]. CHINESE JOURNAL OF ELECTRONICS,2005,14(3):509-512. |
| APA | Zou, HX,Wang, DJ,Dai, QH,&Li, YD.(2005).Chirplet based nonnegative time-frequency distribution for FM(m)let transform.CHINESE JOURNAL OF ELECTRONICS,14(3),509-512. |
| MLA | Zou, HX,et al."Chirplet based nonnegative time-frequency distribution for FM(m)let transform".CHINESE JOURNAL OF ELECTRONICS 14.3(2005):509-512. |
入库方式： OAI收割
来源：自动化研究所
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