对此局域模性质的研究有助于声波或弹性波滤波器的制作。
This study to the properties of the localized modes is useful to the fabrication of the acoustic or elastic wave filters.
正交偶极子阵列声波测井仪中前端信号采集和处理单元大量使用了VCVS有源滤波器。
VCVS active filters are greatly used in front signal acquisition and processing unit of the Cross Multipole Array Acousticlog tool.
为了提高声波测井数据采集的精度，利用MATLAB设计了一种可以在FPGA中实现的FIR滤波器。
To improve the accuracy of acoustic logging data acquisition, a FIR filter that can implement in FPGA was designed through the using of MATLAB.
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