求翻译：固体发动机包覆层厚度检测一直是国内外研究的重点，在对包覆层进行厚度检测时，本文采用超声纵波对包覆层进行测量，利用纵波的回波特性计算出包覆层厚度。而在对超声信号进行处理时，提出用解卷积法对信号通过包覆层界面的时间差进行估算，提高了火箭发动机包覆层厚度测量的精确度。是什么意思？

The solid engine coating thickness testing has been the focus of the study at home and abroad, and coating thickness testing, ultrasonic longitudinal wave to measure the coating, the use of the echo characteristics of the longitudinal wave to calculate the thickness of the coating. Ultrasonic signal

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The solid engine inhibitor thickness examination always is the domestic and foreign research key point, when carries on thickness examination to the inhibitor, this article uses the supersonic longitudinal wave to the inhibitor to carry on the survey, calculates the inhibitor thickness using the lon

Solid rocket motor cladding thickness has been the focus of research at home and abroad, when the coating thickness, coating measurement using ultrasonic longitudinal wave in this article, the use of echo characteristics of p-wave to calculate the thickness of coated layer. The ultrasonic signal is

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