引用本文: 贺思三, 赵会宁, 张永顺. 基于时频域联合滤波的中段群目标信号分离[J]. 雷达学报, 2015, 4(5): 545-551. doi: 10.12000/JR15008
He Si-san, Zhao Hui-ning, Zhang Yong-shun. Signal Separation for Target Group in Midcourse Based on Time-frequency Filtering[J]. Journal of Radars, 2015, 4(5): 545-551. doi: 10.12000/JR15008
 Citation: He Si-san, Zhao Hui-ning, Zhang Yong-shun. Signal Separation for Target Group in Midcourse Based on Time-frequency Filtering[J]. Journal of Radars, 2015, 4(5): 545-551. doi: 10.12000/JR15008

## Signal Separation for Target Group in Midcourse Based on Time-frequency Filtering

Funds:

The National Natural Science Foundation of China (61372166)

• 摘要: 该文针对中段群目标回波信号分离问题,提出了基于时频域联合滤波的信号分离算法.该算法首先基于自相关原理估计出某一目标的微动周期;然后根据所估计周期对回波进行分段,利用S变换提取各段信号在时频域的强能量区域,各段信号强能量区域的交集即对应了某一目标在时频面上的支撑域.基于该支撑域对回波进行时频域联合滤波即可得到某一目标的回波信号,实现回波信号的分离.仿真结果验证了该文所提算法的有效性.

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##### 出版历程
• 收稿日期:  2015-01-19
• 修回日期:  2015-06-11

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