[分享]数字滤波在光纤陀螺数据处理中的应用研究 关键词： 光纤陀螺；数字滤波；巴特沃斯低通滤波器 [gap=4927]Keywords: fiber optic gyro; digital filter; Butterworth low-pass filter
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Butterworth Low Pass Filter 滤波器
Butterworth digital low pass filter 巴特沃思数字低通滤波器
Butterworth-type one-pole prototype low-pass filter 单极点巴特沃斯低通滤波器
We adopted five methods of gray transformation,histogram equalization, medium filter,Butterworth lowpass filter and homomorphism filter,and filtered the electronic speckle pattern with them. We also preprocessed the correlation fringes by refining and shaving.
本文主要阐述了电子散斑干涉术测量位移的基本原理,采用了灰度变换、直方图均衡化、中值滤波、布特沃斯低通滤波和同态滤波的方法,对电子散斑干涉图进行滤波,并对相关条纹进行了预处理,即条纹的细化和修整。
参考来源 - 基于电子散斑干涉术的位移测量·2,447,543篇论文数据，部分数据来源于NoteExpress
The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.
磁芯采用高频脉冲电流励磁，信号处理电路由峰值检波、低通滤波及差动电路构成。
This paper introduces the basic methods for designing the low-pass filter, taking Butterworth filter as an example.
文章以巴特沃思滤波器为例介绍低通滤波器的基本设计方法。
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