The paper describes the principle of wave impedance estimation using self-adap-tive filtering. 本文介绍了自适应滤波法波阻抗估计的基本原理。
Experimental study is reported on real time measurement of velocity of solid surfaces by using spacial filtering method. 本文报道了基于空间滤波法对变加速运动物体表面运动速度进行实时测量的实验研究。