A set of circuits for detecting ophthalmic blood flow Doppler signals was developed and spectral analysis was realized as well.
研制以超声波为载体的电路系统，探测眼部血流多普勒信号，并进行频谱分析。
Objective: To analyze time frequence of carotid flow Doppler signal of normal and cerebral infarction cases, providing reference for clinical applications.
目的：分别对正常人和脑梗死患者颈动脉血流超声多普勒时频分析，为临床应用提供参考资料。
Conclusions: the surfactant contrast agent is capable of obvious enhancement of flow Doppler signal by intravenous injections, it would be researched further.
结论：表面活性剂类声学造影剂经外周静脉注射后血流信号增强效果显著，值得进一步研究。
Color-Flow Doppler Ultrasound measures the severity of peripheral vascular disease and is used by Cardiology for dynamic evaluation of the heart, heart valves and major vessels.
彩色血流多普勒超声措施，周围血管疾病的严重性，并用于心脏病的心脏，心脏瓣膜及大血管的动态评价。
Objective To consecutively investigate the changes of the superior vena cava flow Doppler patterns in patients with superior vena cava syndrome (SVCS) and predict SVCS development.
目的序贯观察上腔静脉综合征（SVCS）时上腔静脉多普勒频谱变化规律，预测疾病的演变过程。
Doppler ultrasound shows that acupuncture increases blood flow in treated areas. Thermal imaging shows that it can make inflammation subside.
多普勒超声技术显示，针灸能增强治疗部位的血液循环；红外热成像技术显示，针灸能促使炎症消退。
Objective To evaluate the value of color Doppler flow imaging in the differentiation of detachment of retina and choroid.
目的探讨彩色多普勒血流显像鉴别视网膜脱离和脉络膜脱离的诊断价值。
The flow field in the swirl chamber of a motored diesel engine was measured by Laser Doppler Anemometry (LDA).
本文报导了采用激光技术对柴油机涡流室内流场进行实测的结果。
The colors do not represent flow directions, as in color Doppler sonography, for instance, and do not correlate with fetal blood oxygenation.
色彩并不表示血流的方向(和彩色超声多普勒中不同)，也不对应胎儿的血流的氧含量。
As Doppler shift signal can significantly reflect the speed of flow, the abstracting of Doppler shift signal is the key of blood flow speed testing in a ultrasonic blood flow detector.
超声血流仪实现其测量血流速度的关键是多普勒频移信号的提取，多普勒频移信号是血流速度的真实反映。
Quadrature phase method is one of the important methods in directional blood flow information detection using Doppler ultrasound techniques.
正交相位法是超声多普勒技术中提取双向性血流信息的一种重要方法。
Mechanism of Doppler blood flow ultrasonic spectrum of the polycystic kidney was discussed.
本文还讨论了多囊肾血流多普勒频谱变化的机制。
Coded Octave imaging takes ge's image quality to the next level, enhancing your images for color flow and Doppler imaging.
倍频影像编码采用通用电气公司的图像质量提升到更高层次，增强你的形象多普勒成像和彩色流。
Objective: to explore the diagnostic value in different stages of renal damage due to hypertension with color Doppler speed energy graph examination in renal blood flow.
目的：探讨彩色多普勒速度能量图肾脏血流测定对高血压各期肾损害的诊断价值。
Objective To evaluate the diagnostic value of color Doppler flow dynamic changes in patients with vertebral artery course variation.
目的：研究椎动脉走行变异患者推动脉血流动力学的超声诊断价会值。
Conclusion: The color Doppler flow spectrum have high applicated value in early diagnosis of small mammary cancer.
结论：彩色多普勒血流频谱形态在小乳腺癌早期诊断中具有较高的应用价值。
Two methods for automatic classification and decision of Doppler waveforms for flow sonography analysis system are described.
本文介绍了两种对超声多普勒血流声谱国进行波形自动分类决策的方法。
Objective to investigate the value of color Doppler flow imaging (CDFI) in the vascular complication after orthotopic liver transplantation (OLT).
目的评价彩色多普勒血流成像(CDFI)对原位肝移植术(olt)后血管并发症的诊断价值。
Objective To evaluate the value of color Doppler flow image in the orthotopic liver transplantation.
目的探讨彩色多普勒血流显像技术在移植肝术后检测中的应用价值。
Objective To investigate the effect of color Doppler flow imaging (CDFI) and color Doppler Energy(CDE) in the Diagnosis of Budd Chiari syndrome.
目的探讨彩色多普勒血流成像与彩色多普勒能量图对布加综合征的诊断价值。
Objective: To investigate the color Doppler flow imaging of the cervical vertebral artery disease in the clinical diagnostic value.
目的：探讨彩色多普勒血流显像在椎动脉型颈椎病中的临床诊断价值。
Objective To investigate the value of color Doppler flow imaging in the diagnosis and treatment of pseudoaneurysms.
目的：探讨彩色多普勒对医源性假性动脉瘤的诊断和治疗价值。
Conclusion: Color and power Doppler flow imaging is useful in the differential diagnosis of hepatic tumors.
结论：彩色和能量多普勒血流显像对肝脏肿瘤良恶性的鉴别有重要价值。
Objective To study the Doppler flow spectrum of fetal hepatic vein.
目的探讨胎儿肝静脉的多普勒血流频谱及其临床意义。
Objective To evaluate the reliability and efficacy of high intensity focused ultrasound (HIFU) on treatment of osteosarcoma by color Doppler flow imaging (CDFI) surveillance.
目的评价超声监控高强度聚焦超声(HIFU)治疗骨肉瘤的可靠性及其治疗后随访的实用价值。
Objective:To compare the diagnostic value between color doppler energy(CDE) and color doppler flow imaging(CDFI)for hepatic hemangioma.
目的：比较彩色多普勒能量图（CDE）与彩色多普勒血流图（CDFI）诊断肝血管瘤的效果。
Objective To investigate ocular vessel flow velocity in normal persons' eyes by color doppler flow imaging (CDFI).
目的应用彩色多谱勒血流成像(CDFI)技术研究正常人眼部血流动力学。
Objective: to explore the value of two dimensional color Doppler flow imaging (2d CDFI) in detecting total anomalous pulmonary venous drainage (TAPVD).
目的：探讨二维彩色多普勒超声(2D -CDFI)诊断完全性肺静脉畸形引流(TAPVD)的价值。
Several important problems in volume flow measurements with Doppler ultrasound were analyzed in this paper.
分析了多普勒超声在血流量测定中的若干重要问题。
To study a new type ultrasonic Doppler flow meter for industry flow measurement of the liquid in the airtight pipeline.
文中研究一种用于工业密闭管道流体流量测量的新型超声波多普勒流量计。
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