low - pass method的用法和样例：
例句
- 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。 - Simulation experimental results indicate that the method gives better visual quality and PSNR gains than applied wavelet transformation denoising method or HOS filter only.
实验结果表明，相对于单一的小波变换去噪或高阶统计量滤波法去噪，所给方法在视觉和峰值信噪比增益上都取得较好效果。
