All Title Author
Keywords Abstract


基于波形评价准则的相位补偿方法

, PP. 399-406

Keywords: ,双频信号,补偿原理,相位,频谱图,波形评价准则

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对间断的单、双频信号如何进行有效相位补偿的问题展开研究。通过严格的理论推导给出了信号相位精确补偿的所需条件,即间断的单频信号可无条件进行精确补偿,间断的双频信号可在两个频率差与采样时间间隔之积为整数的条件下进行精确补偿。针对无法精确补偿的情形,提出了基于波形评价准则的近似补偿方法,并通过仿真实验比较了四种不同波形评价准则的近似补偿效果。实验结果不仅证明了本文理论和方法的有效性,同时还表明,基于波形指数熵、能量对比度准则的近似补偿效果更优,补偿后信号的频谱图峰值更高。

References

[1]  Bao Zheng, Xing Meng-dao, Wang Tong. The radar imaging technology[M]. Electronic Industry Press(电子工业出版社),2006(in Chinese).
[2]  Li Yan, Wang Jun, Zhang Shou-hong.ESPRIT Super-Resolution Imaging Algorithm Based on External Illuminators[J]. Journal of Electronics & Information Technology(电子与信息学报),2009,1(3):143-146(in Chinese).
[3]  Pei Wen-yan, Zhou Jin-yun, Liang Guo-jun, et al.Uniformity analysis of the illumination system for PCB laser projection image[J]. Chinese Journal of Quantum Electronics (量子电子学报), 2009,03(in Chinese).
[4]  Dong Ji-hui, Hu Qi-quan, Sun Dong-song. Techniques of depressing image noise in laser imaging tracking system[J].Chinese Journal of Quantum Electronics (量子电子学报), 2011,28(01):25-30(in Chinese).
[5]  Qun Zhang, Tat Soon Yeo, Hwee Siang Tan, et al. Imaging of a Moving Target with Rotating Parts Based on the Hough Transform[C]. IEEE Transactions on Geoscience and Remote Sensing. Vol 46. 2008: 291-299.
[6]  F. Zhu, Y. Luo, Q. Zhang, et al. ISAR imaging for avian species identification with frequency-stepped chirp signals [J]. IEEE Geoscience and Remote Sensing Letters, 2010, 7(1): 151-155.
[7]  Jiao Li-cheng, Yang Shu-yuan, Liu Fang, et al. Development and Prospect of Compressive Sensing[J]. Acta Electronica Sinica(电子学报), 2011,39(07):1651-1662(in Chinese).
[8]  Liu Zheng, Zhang Shouhong. A novel method of translational motion compensation for hopped-frequency ISAR imaging. IEEE international radar conference, pp: 255-260, 2000.
[9]  YIN De-jing. Transmission properties of self-Fourier signal in the optical fiber[J]. Chinese Journal of Quantum Electronics(量子电子学报), 2009(04)(in Chinese).
[10]  Fang Yong-hua, Xun Yu-long. Data Process Method Based on Multi-resolution Analysis for Spectral Signals[J]. Chinese Journal of Quantum Electronics (量子电子学报), 1999,16(02):164-170(in Chinese).
[11]  Zhou Zhen, Xu Ming, Pu Xiao Phase noise reduction of DPSK signals based on four-wave mixing in a fiber[J]. Chinese Journal of Quantum Electronics (量子电子学报), 2011,28(01):115-121(in Chinese).
[12]  Fang Tao, Wang Hong-chuan, Li Yu-quan, et al. Highly extinctive ultra-short optical pulse generation using phase modulator and intensity modulator[J]. Chinese Journal of Quantum Electronics(量子电子学报), 2009,26(01):33-38(in Chinese).

Full-Text

comments powered by Disqus