| SY-TI型调制脉冲超声Doppler血流检测仪的研制 |
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| 引用本文： | 刘纯荣,严碧歌,闵一健,陈启敏.SY-TI型调制脉冲超声Doppler血流检测仪的研制[J].陕西师范大学学报,1991(3). |
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| 作者姓名： | 刘纯荣 严碧歌 闵一健 陈启敏 |
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| 作者单位： | 陕西师大应用声学研究所，陕西师大应用声学研究所，陕西师大应用声学研究所，陕西师大应用声学研究所 |
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| 摘 要： | 1 仪器组成及工作原理1.1 仪器组成本文所用调制型脉冲超声Doppler血流检测仪主要由三部分组成,即主机部分、记录部分及Doppler信号处理与频谱分析部分。其主要技术指标是,工作频率:5.0±0.000002MHz,辐射声强:连续正弦波小于8.0mW/cm~2,调制脉冲波小于2.0mW/cm~2;调制脉冲频率,为7.5kHz;空间采样尺寸,1.0～15.0mm可调;空间采样分辨率,1.5～2.0mm;可测深度,0.0～8.0±0.1cm;诊断深度,连续波0.0～3.0cm,脉冲波0.4～3.0cm;
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Ddevelopment of a model SY-TI pulsed ultrasonic Doppler blood flow detector by using modulation method |
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| Liu Chunrong Yan Bige Min Yijan Chen Qimin.Ddevelopment of a model SY-TI pulsed ultrasonic Doppler blood flow detector by using modulation method[J].Journal of Shaanxi Normal University: Nat Sci Ed,1991(3). |
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| Authors: | Liu Chunrong Yan Bige Min Yijan Chen Qimin |
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| Affiliation: | Applied Acoustics Institute |
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| Abstract: | The operational principle and the circuit composition of the pulsed ultrasonic blood flow detector are described.The results of clinical application indicate that the detector can provide reliable parameter basis for clinical diagnosis and medical study. |
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| Keywords: | ultrasonic Doppler blood flow detector pulse modulation |
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