Experimental results show that JPEG method is an effective method for digital compression and coding of ultrasonic televiewer images.
实验结果表明，JPEG方法是一种有效的超声电视图象压缩方法。
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.
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。
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