正交偶极子声波测井仪器中的发射换能器是最关键的部件，它决定着该仪器的性能和测量结果。
The transmitting transducer is the most important part of the orthogonal dipole sonic logging tool, which affects the performance and waveforms.
扇区水泥胶结测井仪（SBT）是一种检测套管水泥胶结质量及探测孔穴孔道的声波测井仪器。
Sector Cement Bond Tool(SBT) is an acoustic log tool for inspecting quality of the cement bond around the circumference of the casing tubing ans for measuring the pore paths.
据此阐述声波固井质量测井及评价方法面临的问题，并对我国声波测井仪器研制、方法应用提出建议。
Therefore, challenges facing acoustic CBL and the evaluation method are proposed, as well as Suggestions on development and applications of Chinese acoustic logging tool.
文章讨论了有源滤波器在偶极子声波测井仪器中的应用，并详细介绍了常用的有源高通、低通滤波器电路的参数设计与调试方法。
The paper introduces the application of active filters in the instrument, as well as the parameter design of the lo-pass and hi-pass filters.
文章讨论了有源滤波器在偶极子声波测井仪器中的应用，并详细介绍了常用的有源高通、低通滤波器电路的参数设计与调试方法。
The paper introduces the application of active filters in the instrument, as well as the parameter design of the lo-pass and hi-pass filters.
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