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基于非平稳时间序列处理的雷达信号融合
引用本文:王成,胡卫东,郁文贤. 基于非平稳时间序列处理的雷达信号融合[J]. 信号处理, 2005, 21(4): 338-343
作者姓名:王成  胡卫东  郁文贤
作者单位:国防科技大学ATR重点实验室,湖南长沙,410073
摘    要:
本文提出一种基于非平稳时间序列处理的雷达信号融合方法,该方法利用时间序列对非平稳的目标雷达散射回波信号在频域进行建模预测,然后利用去卷积与子空间分析技术对两个子带雷达信号进行处理,最后融合成一个等效的宽带信号。仿真试验表明,本文所提出的方法可以提高目标成像分辨率,有利于目标的检测与识别。

关 键 词:非平稳信号  时间序列  信号融合
修稿时间:2004-02-20

Radar Signal Fusion Based on Non-Stationary Time Series Processes
Wang Cheng,HU Weidong,YU Wenxian. Radar Signal Fusion Based on Non-Stationary Time Series Processes[J]. Signal Processing(China), 2005, 21(4): 338-343
Authors:Wang Cheng  HU Weidong  YU Wenxian
Abstract:
A radar signal fusion method based on non-stationary time series processes is present in the paper. First, non-stationary radar echo signal is modeled and forecasted in frequency field with non-stationary time series processes. Second, the two narrow radar signals are processed with disconvolution and subspaces analysis methods. Finally, a wide-band signal can be obtained from fusion the two narrow signals. The result of simulation shows the proposed method can improve the target image resolution. It is also benefit to detection and recognition.
Keywords:non-stationary signal  time series  signal fusion  
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