highpass filtering的用法和樣例：
例句
- A time domain recursive low pass filtering algorithm based on Kalman filtering theo-ry is analyzed.
分析了一種基于卡爾曼濾波理論的時域遞歸低通濾波算法。 - The algorithm implements stretch processing and narrowband filtering, and achieves digital beamforming by weighting inter-subarrays.
該方法首先對接收信號拉伸處理和低通濾波，然后在子陣間加權實現寬帶子陣數字波束形成。
