时空可控点聚焦FDA的动目标跟踪研究
|
摘要
提出了一种基于多载频时间调制频偏的时空可控点聚焦频率分集阵列天线。首先,实现对动目标的跟踪,在频偏中引入一个时间补偿因子,以避免可能出现的频率奇异性,使得连续频率调制的持续时间远大于周期调制的持续时间;然后,根据目标实时位置计算频偏,实现目标在运动全程中保持波束聚焦于目标点处;最后,通过运动目标跟踪的仿真算例验证了方法的有效性。
A time-space steerable point-focusing Frequency Diverse Array(FDA) antenna based on multi-carrier frequency with time-modulated frequency offset is proposed. In order to achieve the tracking of the moving target, a time compensation factor is introduced in the frequency offset to avoid the possible frequency singularity, so that the duration of the continuous frequency modulation is much longer than that of the periodic modulation. Then the frequency offset is calculated according to the real-time position of the target to achieve the goal of keeping the beam focused on the target throughout the whole process of itsmotion. Finally, a simulation example of moving target tracking is given to verify the effectiveness of the method.
A time-space steerable point-focusing Frequency Diverse Array(FDA) antenna based on multi-carrier frequency with time-modulated frequency offset is proposed. In order to achieve the tracking of the moving target, a time compensation factor is introduced in the frequency offset to avoid the possible frequency singularity, so that the duration of the continuous frequency modulation is much longer than that of the periodic modulation. Then the frequency offset is calculated according to the real-time position of the target to achieve the goal of keeping the beam focused on the target throughout the whole process of itsmotion. Finally, a simulation example of moving target tracking is given to verify the effectiveness of the method.
引文
[1] ANTONIK P,WICKS M C,GRIFFITHS H D,et al.Frequency diverse array radars[C]//Proceedings of the IEEE Radar Conference,2006:215- 218.
[2] SECMEN M,DEMIR S,HIZAL A,et al.Frequency diverse array antenna with periodic time modulated pattern in range and angle[C]//Proceedings of the IEEE Radar Conference,2007:427- 430.
[3] KHAN W,QURESHI I M.Frequency diverse array radar with time-dependent frequency offset[J].IEEE Antennas & Wireless Propagation Letters,2014,13(6):758-761.
[4] KHAN W,QURESHI I M,SAEED S.Frequency diverse array radar with logarithmically increasing frequency offset[J].IEEE Antennas & Wireless Propagation Letters, 2015,14(3):499-502.
[5] YAO A M,WU W,FANG D G.Frequency diverse array antenna using time-modulated optimized frequency offset to obtain time-invariant spatial fine focusing beampattern[J].IEEE Transactions on Antennas & Propagation, 2016,64(10):4434- 4446.
[6] YAO A M,WU W,FANG D G.Solutions of time-invariant spatial focusing for multi-targets using time modulated frequency diverse antenna arrays[J].IEEE Transactions on Antennas & Propagation,2017,65(2):552-566.
[7] SHAO H,DAI J,XIONG J,et al.Dot-shaped range-angle beampattern synthesis for frequency diverse array[J].IEEE Antennas & Wireless Propagation Letters,2016,15:1703-1706.
[8] WANG Y,LI W,HUANG G,et al.Time-invariant range-angle dependent beampattern synthesis for FDA radar targets tracking[J].IEEE Antennas & Wireless Propagation Letters,2017,16:2375- 2379.
[9] FAROOQ J.Frequency diversity for improving synthetic aperture radar imaging[D].Ohio:Air Force Institute of Technology,2009.
[10] 高峰,和凯,宋智源,等.5G大规模紧耦合阵列天线研究[J].电信科学,2015,31(5):30-35.
[11] 李龙军,王布宏,夏春和.稀疏共形阵列天线方向图综合[J].电子学报,2017,45(1):104-111.
[12] 王思铭,高军,曹祥玉,等.基于超表面的低雷达散射截面宽频贴片阵列天线设计[J].电子与信息学报,2018,40(9):2273- 2280.
[13] 吴孙勇,宁巧娇,蔡如华,等.基于PHD滤波的箱粒子划分多目标跟踪算法[J].电光与控制,2018,25(5):12-16.
[14] 武青海,曲朝阳.基于IMM-极限迭代UFIR的机动目标跟踪算法[J].电光与控制,2018,25(6):35-38,51.
[2] SECMEN M,DEMIR S,HIZAL A,et al.Frequency diverse array antenna with periodic time modulated pattern in range and angle[C]//Proceedings of the IEEE Radar Conference,2007:427- 430.
[3] KHAN W,QURESHI I M.Frequency diverse array radar with time-dependent frequency offset[J].IEEE Antennas & Wireless Propagation Letters,2014,13(6):758-761.
[4] KHAN W,QURESHI I M,SAEED S.Frequency diverse array radar with logarithmically increasing frequency offset[J].IEEE Antennas & Wireless Propagation Letters, 2015,14(3):499-502.
[5] YAO A M,WU W,FANG D G.Frequency diverse array antenna using time-modulated optimized frequency offset to obtain time-invariant spatial fine focusing beampattern[J].IEEE Transactions on Antennas & Propagation, 2016,64(10):4434- 4446.
[6] YAO A M,WU W,FANG D G.Solutions of time-invariant spatial focusing for multi-targets using time modulated frequency diverse antenna arrays[J].IEEE Transactions on Antennas & Propagation,2017,65(2):552-566.
[7] SHAO H,DAI J,XIONG J,et al.Dot-shaped range-angle beampattern synthesis for frequency diverse array[J].IEEE Antennas & Wireless Propagation Letters,2016,15:1703-1706.
[8] WANG Y,LI W,HUANG G,et al.Time-invariant range-angle dependent beampattern synthesis for FDA radar targets tracking[J].IEEE Antennas & Wireless Propagation Letters,2017,16:2375- 2379.
[9] FAROOQ J.Frequency diversity for improving synthetic aperture radar imaging[D].Ohio:Air Force Institute of Technology,2009.
[10] 高峰,和凯,宋智源,等.5G大规模紧耦合阵列天线研究[J].电信科学,2015,31(5):30-35.
[11] 李龙军,王布宏,夏春和.稀疏共形阵列天线方向图综合[J].电子学报,2017,45(1):104-111.
[12] 王思铭,高军,曹祥玉,等.基于超表面的低雷达散射截面宽频贴片阵列天线设计[J].电子与信息学报,2018,40(9):2273- 2280.
[13] 吴孙勇,宁巧娇,蔡如华,等.基于PHD滤波的箱粒子划分多目标跟踪算法[J].电光与控制,2018,25(5):12-16.
[14] 武青海,曲朝阳.基于IMM-极限迭代UFIR的机动目标跟踪算法[J].电光与控制,2018,25(6):35-38,51.