本装置用超声脉冲回波与定标指数波形比较的方法测量超声衰减。
An instrument for measuring ultrasonic attenuation by means of comparing the ultrasonic pulse echo with a calibrated exponential decay wave-form is described.
提出了反射镜后表面外冷却临界厚度的概念，并得到一个关于多脉冲积累效应的幂定标关系。
A concept about critical cooling thickness of mirrors has been suggested, and a scaling law of multi-pulse accumulative effects has been obtained.
在这项研究中，我为离散混沌系统的全球同步建立了一个脉冲控制方法，以及研究了一些全球渐进稳定标准。
In this research, I established an impulse control method for the worldwide synchronization of discrete chaotic system, and researched some standards for global asymptotic stability.
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