Finally, in the ultrasonic echo signal noise reduction algorithm research, the adaptive FIR band-pass filter and such as some of the problems are analyzed.
,在超声波回波信号降噪算法研究方面,对超声波回波信号数字信号处理中的自适应FIR带通滤波器的一些问题进行了分析研究。
参考来源 - 基于ARM的超声波测距系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, the theory of wavelet transformation in signal noise reduction is introduced, together with the algorithm of signal decomposition and reconstruction.
介绍采用小波变换进行信号降噪的原理；利用小波分解和重构函数对轧机主传动轴应力和扭矩信号进行降噪处理。
Threshold extension and adaptive noise reduction technology means that noise is 50 dB down for an unmodulated 13.5-dbf stereo signal.
扩展和自适应阈值降噪技术手段，噪音是50分贝下降为未调制的13.5支援数据库立体声信号。
Aiming at the non-stationary character of signal noise of fiber optic gyro (FOG) in the stabilized platform, the signal model of FOG and some methods of noise reduction are analyzed and discussed.
针对陀螺稳定平台系统中光纤陀螺信号噪声的非平稳性特点，分析并讨论了光纤陀螺输出信号模型及常用陀螺信号滤波方法的优缺点。
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