系统辨识大作业，基于卡尔曼滤波的非线性粒子轨迹跟踪-The homework of system identity, Tracking nonlinear trajectories based on Kalman filter.

多目标跟踪的粒子滤波器，对信号进行频谱分析及滤波，仿真效率很高的。- Multi-target tracking particle filter, The signal spectral analysis and filtering, High simulation efficiency.

插值与拟合的matlab实现，多目标跟踪的粒子滤波器，对信号进行频谱分析及滤波。- Interpolation and fitting matlab implementation, Multi-target tracking particle filter, The signal spectral analysis and filtering.