基于粒子滤波算法的室内跟踪技术研究。通过室内 WLAN 粒子滤波跟踪算法的数学模型的研究，提出了基于粒子位置优化和基于插值优化的粒子滤波跟踪算法的改进方法，解决如何获取粒子点处的信号强度值的问题。-Research on tracking particle filter algorithm based on the indoor. Study on mathematical model of tracking algorithm through the WLAN particle filter, is proposed based on the optimization of particle position and the particle filter tracking algorithm based on improved methods of interpolation, solve the signal strength to obtain point value problem.