本文以无缺陷时的表面回波为参考信号,用信号处理方法,识别表面缺陷回波,从而实现对表面缺陷的检测。文中给出了该方法的原理及实验结果。
Detection of surface-breaking cracks has been realized by signal processing method using the reference signal from a surface without flaws. The principle and experimental results are given.
粗糙表面激光回波偏振特性是激光探测、目标识别等领域的一个重要研究内容,它对激光雷达、红外探测和目标识别等遥感设备的优化设计和性能改善有很强的促进作用。
The laser backscattering polarization characteristics of rough surface are investigatedin this paper, it is a fundamental issue to laser detection, target recognition and other fieldsof study.
文章详细介绍了无源无线轮胎压力监测系统中的声表面波传感器工作原理、回波信号组成、数字信号处理和软件开发方法;
The paper introduce the theory of surface acoustic wave sensor, the digital signal treatment, the method of soft design in the passive and wireless tire pressure monitoring system in detail.
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