filtering theory的用法和样例：
例句
- A time domain recursive low pass filtering algorithm based on Kalman filtering theo-ry is analyzed.
分析了一种基于卡尔曼滤波理论的时域递归低通滤波算法。 - In this paper, federated filter theory is briefly introduced, four typical structures are introduced, and their characteristics of fault tolerance are analyzed.
论文首先介绍了联邦卡尔曼滤波理论，分析比较了不同结构的联邦滤波器的特点和容错性能。
