1) High order Butterworth low pass filter
高阶Butterworth低通滤波器
2) Butterworth low-pass filter
Butterworth低通滤波器
1.
An sixth-order Butterworth low-pass filter was designed based on the proposed method and simulated in PSPICE.
设计了六阶Butterworth低通滤波器,并用PSPICE进行仿真分析。
2.
The application example of a new fourth-order Butterworth low-pass filters was given,it was simulated with Pspice.
给出了4阶Butterworth低通滤波器应用示例,经Pspice仿真分析,结果表明,所提出的设计方法可行。
3) Butterworth high-pass filters
Butterworth高通滤波器
4) Butterworth low-pass filtering
Butterworth低通滤波
1.
Based on analysis of characters of the output signal noises,three de-noising algorithms are adopted which are the weight moving average filtering,Butterworth low-pass filtering and wavelet analysis for eliminating noises.
在分析陀螺输出信号特点的基础上,对加权滑动平均滤波、Butterworth低通滤波和小波变换3种噪声滤波方法进行了比较。
5) Butterworth high pass filter
Butterworth高通滤波
1.
Moreover, an infrared background complex degree description based adaptive Butterworth high pass filter is proposed and an infrared image preprocessing algorithm, which has a certain general adaptability, is achieved.
此外,提出了一种基于红外背景复杂程度描述的自适应Butterworth高通滤波方法,实现了具备一定普适性的红外图像预处理。
6) high-grade low-pass filter
高阶低通滤波器
1.
Based on the improved Butterworth transfer function and the Butterworth transfer function,this paper shows an electrical design of high-grade low-pass filter meet- ing the higher requirements.
文中在改进的Butterworth传递函数基础上,根据Butterworth的逼近性原理,通过级联途径设计工作状态更好的有源高阶低通滤波器。
补充资料：低通数字滤波
低通数字滤波
影像学术语。数字成像方式中数字图像平滑方式之一。图像数据的统计涨落相当于频谱的高频部分，使用数字滤波器滤掉高频成分，保留图像信息中的低频和中频部分，即可达到平滑的效果。进行低通数字滤波平滑前，要首先用傅立叶变换把图像信息由空间域变换到频域上，即转换为频谱，经过滤波后再用傅立叶逆变换转换为图像信息，这样就可以得到平滑后的图像。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条