lowadj.低的；少的；低落的；低声的；卑劣的；低等的adv.低地；低声地；低下地；廉价地n.低水平；低价；低谷v.哞哞叫low-rentadj.低租金的; 质量低劣的

1. 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。
2. The algorithm implements stretch processing and narrowband filtering, and achieves digital beamforming by weighting inter-subarrays.
   该方法首先对接收信号拉伸处理和低通滤波，然后在子阵间加权实现宽带子阵数字波束形成。