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.
使声波信号沿着发射器和接收器之间的套管井壁传播时的幅度衰减确定套管外水泥胶结质量的声波测井方法。
A log that USES the variations in amplitude of an acoustic signal traveling down the casing wall between a transmitter and receiver to determine the quality of cement bond on the exterior casing wall.
文章介绍了薄层声波测井的作用和测量原理，分析了以前信号处理方法存在的缺陷。
In this paper, functions and measurement principle of the sonic signal processing in thin layer logging are introduced, at the very beginning.
在地层评价中，时差相关技术用于阵列声波测井中，阵列声波测井仪的每一个接收器都记录全波列信号。
In formation evaluation slowness-time coherence is used in conjunction with an array-sonic tool in which the full waveforms at each receiver have been recorded.
针对阵列声波测井中声波全波列信号的特点，设计了一种满足实际生产作业要求的井下信号采集与处理系统。
Based on the characteristic of the array acoustic full waveform signal, a system of signal acquisition and processing, fitting for practical project, has been designed.
针对阵列声波测井中声波全波列信号的特点，设计了一种满足实际生产作业要求的井下信号采集与处理系统。
Based on the characteristic of the array acoustic full waveform signal, a system of signal acquisition and processing, fitting for practical project, has been designed.
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