低通滤波器 lpf ; LVR Low Pass Filter ; low pass filter
低通波波器 LOW PASS FILTER
低通滤波 LPF ; lowpass ; [电子] low-pass filtering ; low-pass filtered
光学低通滤波器 OLPF ; Optical Low Pass Filter
低通滤波片 OLPF
低通滤波电路 Low-pass Filter Circuit ; LPF
高低通滤波器 [电子] high and low pass filter ; low- and high-pass filter
低通道滤波器 butter Butter Worth ; LPF ; Low pass filter
线性截止低通滤波器 linear cut-off low-pass filter
理想低通滤波器 ILPF ; ideal low pass filter
液面反射波信号主要在硬件方面采用双通道二阶有源低通滤波，功图信号则在软件方面采用数字滤波算法。
Reflected wave signal is processed by double channels two-order low-pass active filtering in hardware, and indicator diagram signal is processed by digital filtering in software.
提出通过小波多分辨力滤波将滤波以后的低通图像作为图像的自适应阈值进行二值化，获得了比较理想的效果。
An adaptive threshold which is a low frequency passed image based on wavelet multiresolution filters is proposed for binarization, and the result is satisfactory.
依据信号与噪声的小波变换在不同分辨率下呈现不同特性的特点，提出了多分辨率支集图像低通滤波方法。
Multiresolution support for lowpass filtering is introduced according to different property of wavelet transform for signal and noisy at different scale.
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