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中文摘要：
介绍了具有三维探测功能的新一代声波测井仪的系统顶层设计方案。该仪器采用模块化结构，其核心技术是相控阵声波发射和方位阵列式接收探测器。它将基于嵌入式技术的多通道信号处理与高速高精度同步数据采集电路封装在耐高温、高压的舱室内，并与换能器阵列集成于声系内部从而实现高信噪比的复杂互联，是仪器探测器结构和电子系统设计的重要创新。新一代声波测井仪以不同的探测半径测量地层多种模式波的传播速度和各向异性，并通过反射波处理实现远距离井旁地质体结构的成像。
英文摘要：
Introduced is a design on the top-layer system of a new acoustic logging tool, which has the ability to detect the 3-dimensional space around. The tool is based on modular structure, whose key technologies lie in phased arc array acoustic transmitters and azimuthal array receivers. The significant creativities of the structure and electronic system of this tool are： the high-speed and high-precision synchronous data acquisition circuit as well as the multi-channel signal process- ing unit which is based on embedded technology are encapsulated in a capsule with the ability to bear high-temperature and high-pressure circumstance, and the capsule is integrated with the transducer array in the acoustic sonde in order to achieve high signal to noise ratio of the complex interconnection. The new generation acoustic logging tool can detect the velocities of various wave modes and anisotropy in stratums by changing detection radius, and achieve imaging of the long-distance geological structure.
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Lossless Compression Method for Acoustic Waveform Data Based on Linear Prediction and Bit-recombinat
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