In the past 20 years, the imaging technique of ultrasound imaging equipment has made much progress in harmonic imaging, coherent imaging, Doppler imaging and frequency spectra analysis.
近20年来，超声成像设备在电脑超声成像技术，谐波成像技术，相干处理成像技术，多普勒频移成像技术，回波频谱分析技术等方面取得了重大进展。
In this paper, the ultrasound Doppler error detection equipment based on MCS-51 is introduced.
本文介绍了一种基于MCS - 51单片机的多普勒超声诊断仪计量检测装置的研制。
A method for pavement flatness detection using Doppler Ultrasound has been proposed and compared with methods used by other equipment.
在分析目前常用的各种路面平整度测试方法的基础上，提出利用超声多普勒原理对路面平整度进行测定。
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