分级计算迭代在Radon-Ambiguity变换和分数阶Fourier变换对chirp信号检测及参数估计的应用
doi: 10.3724/SP.J.1146.2006.00739
The Application of Iterative Algorithm to Chirp Signal Detection and Parameter Estimation Using Radon-Ambiguity Transform and Fractional Fourier Transform
-
摘要: 该文在分析Radon-Ambiguity变换(RAT)和分数阶Fourier变换对chirp信号的检测和参数估计的基础上，建立了多分量chirp信号检测和参数估计系统模型，提出了分级计算迭代方法，大大减少了计算量，提高了运算速度。Abstract: On the basis of studying chirp signal detection and parameter estimation using Radon-ambiguity transform and fractional Fourier transform, a novel iterative algorithm is put forward, which is proved much higher calculation speed through simulation.
-
陶然, 齐林, 王越. 分数阶Fourier变换的原理与应用. 清华大学出版社, 2004, 第7章.[2]赵兴浩, 陶然, 周思永, 王越. 基于Radon-Ambiguity变换和分数阶傅里叶变换的chirp信号检测及多参数估计. 北京理工大学学报, 2003, 23(3): 371-374.[3]Akay O. Fractional convolution and correlation via operator methods and an application to detection of linear FM signals[J].IEEE Trans. on Signal Processing.2001, 49(5):979-993[4]赵兴浩, 邓兵, 陶然. 分数阶傅里叶变换数值计算中的量纲归一化. 北京理工大学学报, 2005, 25(4): 360-364.[5]Ozaktas H M, et al.. Digital computation of the fractional fourier transform[J].IEEE Trans. on Signal Processing.1996, 44(9):2141-2150[6]Wang Minsheng, Chan A K, and Chui C K. Linear frequency-modulated signal detection using Radon- Ambiguity transform[J].IEEE Trans. on Signal Processing.1998, 46(3):571-586 -
计量
- 文章访问数: 3405
- HTML全文浏览量: 129
- PDF下载量: 1276
- 被引次数: 0
下载:
