| 距离数字显示在脉冲超声多普勒血流检测中的应用 |
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| 引用本文： | 刘纯荣,严碧歌,陈启敏.距离数字显示在脉冲超声多普勒血流检测中的应用[J].陕西师范大学学报,1992(1). |
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| 作者姓名： | 刘纯荣 严碧歌 陈启敏 |
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| 作者单位： | 应用声学研究所，应用声学研究所，应用声学研究所 |
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| 摘 要： | 1 工作原理及电路组成图给出电路原理框图.以工作发射频率为时钟脉冲,调制脉冲作为闸门开启时间,将调制脉冲予以延迟作为接收信号的选通脉冲来关闭闸门,这个时间就是声脉冲从换能器发射到采样点,再回到接收换能器所经过的时间,用这个时间来控制时钟脉冲予以汁数、寄存、译码,以数字形
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The implementing method of digital displaying of distance in pulsed ultrasonic Doppler blood flow detection |
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| Liu Chunrong Yan Bige Chen Qimin.The implementing method of digital displaying of distance in pulsed ultrasonic Doppler blood flow detection[J].Journal of Shaanxi Normal University: Nat Sci Ed,1992(1). |
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| Authors: | Liu Chunrong Yan Bige Chen Qimin |
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| Institution: | Applied Acoustics Institute |
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| Abstract: | The implementing method of digital displaying of distance in pulsed ultrasonic Doppl- er blood flow detection is described.The results of experiments and clinical indicate that the application of this method results in satisfied effects. |
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| Keywords: | ultrasonic Doppler gating pulse digital displaying of distance |
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