针对机动目标存在的姿态扰动,研究了具有加速度和旋转运动的机动目标成像模型及其信号处理过程。
The dissertation demonstrates the maneuvering target imaging model with acceleration and rotating motion and its signal processing to solve attitude perturbation of the targets.
算法中采用了带极值扰动策略,加速粒子跳出局部最优的能力。
The disturbed extremum scheme accelerates the particles to overstep the local extremum.
结果表明:当环境流中弱二次切变强度增加(减少)时,扰动动能的最大值增加(减小),扰动动能的变化加速(减速);
The result indicates:when the weakly secondary shear grows(decays), the maximum value of the perturbation kinetic energy also grows(decays), and the change of the energy accelerates(slows).
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