井下电视系统的设计与调试。
介绍了可见光井下电视测井系统在套管检测中的应用方法。
Indroduced are applications of downhole video logging tool in casing inspections.
井下电视图像的特殊性增加了其图像数字化定量解释的困难。
The particularity of the downhole video image makes its digitized quantification interpretation more difficult.
高清晰度，低比特率的图像压缩技术是研究井下电视的关键技术之一。
High quality, low bit rate image compression method is one of the key technologies to develop downhole video logging instrument.
通过实际应用表明，该定量方法解释结果准确可靠，是对井下电视测井技术的进一步完善。
The practical application shows that the result of the quantitative interpretation is accurate and reliable. The method further perfects downhole television logging technology.
提出了一种基于DSP的井下电视(DHV)视频采集系统及数据压缩方法，适合较高温度下的工作环境。
This paper develops a DSP - based Downhole Video (DHV) acquisition system and the approach to compress the data, which is suitable in high temperature conditions.
本文提出了超广角井下电视系统视场角的概念及标定，以及利用该电视系统对井内落物尺寸进行精确测量的方法。
This article describe the concept and definiens of Angle of view of super wide Angle bore hole television system, and by means of this television system to measure the object in the well accurately.
本文从超声波信号模型出发，对超声电视测井井下仪器的接收机、发射机的指标和方位检测精度进行了详细分析。
With a model for the ultrasonic signal, the requirement on receiver and transmitter performance and the detection accuracy of the bearings of an ultrasonic borehole televiewer are discussed.
井下声波电视测井图上的一种异常现象。在电缆提升的过程中，由于下井仪器在井中的不稳定运动，而在阴极射线管上显示出异常的一种效应。
On borehole televiewer logs. An unusual effect produced on the cathode-ray tube display by erratic movement of the tool as it drags along the borehole.
中国国家电视台表示，山西透水煤矿9名被困矿工获救。此前，153名矿工在井下被困长达一周时间。
State television in China says that nine miners have been rescued from a flooded coal mine in Shanxi province where 153 people have been trapped for a week.
中国国家电视台表示，山西透水煤矿9名被困矿工获救。此前，153名矿工在井下被困长达一周时间。
State television in China says that nine miners have been rescued from a flooded coal mine in Shanxi province where 153 people have been trapped for a week.
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