translation.en: And then we apply Kalman filtering, a technique from control theory, that allows us to statistically analyze all the noise and extract the desired trajectory that underlies them.
translation.zh: 然后我们应用卡尔曼滤波， 一种来自控制论的技术，使我们 能够统计上分析所有的噪音 并提取所需的对应轨迹