Power Doppler shows the stream of the gastric content confined to interior of the stomach.
能量多普勒显示局限于胃部前方的胃内容物的流动。
By taking power Doppler harmonic imaging, 16 segments for semi quantitative scoring were chosed.
采用能量谐波方法显像，16节段半定量记分法目测评分。
Three-dimensional power Doppler ultrasound improves the diagnostic accuracy for ovarian cancer prediction.
三维能量多普勒超声的应用提高了卵巢癌诊断的准确度。
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。
Threedimensional (3d) power Doppler ultrasound provides a new technique to evaluate the features of tumor vessel.
三维能量多普勒超声是评估肿瘤血管特征的新技术。
Objective To detect the value of three-dimensional power Doppler ultrasonography (3D PDU) in cardiovascular imaging of the fetus.
目的探讨三维能量多普勒超声在胎儿心血管检查中的价值。
Grey scale ultrasound helps to evaluate the morphology of cervical nodes, whereas power Doppler ultrasound assesses the nodal vasculature.
灰阶超声可评估颈部淋巴结形态，多普勒超声可评估结节的脉管系统。
Objective To explore the characteristic performance and application value of color and power Doppler ultrasonography in the ureteral calculi.
目的探讨彩色和能量多普勒超声在输尿管结石中特征性表现和应用价值。
Individual joints were scanned for grey scale (GS) and power Doppler (PD) signal using a semi-quantitative scoring scale (0-3) for each parameter.
获取每个关节的灰阶(GS)和强力多普勒(PD)信号，采用半定量法为每个参数进行评分(0 - 3)。
Methods Using broadband convex array probe, to scan suspicious area of the ureter, changes of two-dimensional gray scale, with color and power Doppler.
方法使用宽频凸阵探头、对输尿管可疑部位、变化进行二维灰阶、彩色和能量多普勒扫描。
The rate of correct diagnosis was increased with combination of US and grey scale (79%) as compared to that with grey-scale (60%) or power Doppler only (19%).
与单独灰阶超声(6 0 %)及单独能量多普勒超声(19%)的诊断率比较，二者联合诊断率(79%)明显提高。
Conclusion: Conventional colour coded Doppler sonography and power Doppler sonography are useful to differentiate between neuroblastoma and adrenal haemorrhage.
结论彩色多普勒超声显像与能量多普勒显像对新生儿肾上腺出血及先天性神经母细胞瘤具有鉴别诊断价值。
Objective: to investigate the role of colour coded Doppler sonography and power Doppler sonography in the diagnosis of neonatal adrenal hemorrhage and congenital neuroblastoma.
目的探讨彩色多普勒超声显像与能量多普勒显像对新生儿肾上腺出血及先天性神经母细胞瘤的鉴别价值。
Objective To investigate the application of a self made echo contrast agent and power Doppler imaging of ultrasonography on the vascularity of hepatic metastasis in experimental rabbits.
目的探讨自制造影剂和超声显像新技术在诊断实验性转移性肝癌血管特征中的应用价值。
Results Compared with dynamic CT, 93.9% (31/33) of tumors before treatment were demonstrated as enhancement on both intermittent harmonic power Doppler imaging and gray-scale harmonic subtraction.
结果以动态增强CT结果为金标准，治疗前33个肝癌结节，超声造影增强的阳性率为93.9%（ 31/ 33） ；
LEO satellite communication system has the properties of larger power dynamic range, larger and faster changed doppler frequency shift and rapid fluctuation compared to ordinary communication system.
相对于一般的通信系统而言，低轨卫星通信系统具有信号动态范围大，多普勒频移大且变化速度快，信道起伏剧烈等特点。
With the subaperture method, data rate and radar transmit peak power can be effectively reduced, the time variant of Doppler center frequency can be resolved.
通过子孔径方法，可以有效降低数据率及雷达发射峰值功率，并可解决多普勒中心频率的时变问题。
The negative Doppler effect will limits the power to an acceptable level during the time delay for protective action.
多普勒负反应性反馈效应能在保护动作延迟的时间内将功率限制在可接受的水平。
It uses a conventional constant false-alarm-rate(CFAR) detection procedure but the thresholding scheme is based on regression analysis of power spectrum values along range and Doppler cells.
该方法采用传统的恒虚警率（CFAR）检测方法，但其门限设置是基于沿距离和多普勒单元功率谱值的回归分析。
Purpose to evaluate the value of color Doppler power imaging (CDPI) in diagnosing hepatocellular carcinoma.
目的探讨肝癌的彩色多普勒功率显像诊断价值。
Favorable noise suppressing and frequency resolving power is the key of Doppler based formation radar targets detection.
基于多普勒效应的编队目标架次识别的关键，在于要有噪声抑制和频率分辨能力良好的特征提取算法。
The statistic model of air-ground radio communication channel is characterized by the multipath fading, Doppler power spectrum and delay power spectrum.
空地通信信道的主要统计特性包括多径衰落特性、多普勒功率谱和时延功率谱。
Objective To assess normal liver contrast color enhancement using harmonic power imaging (HPI), comparative studies between HPI and color Doppler flow imaging (CDFI) were performed.
目的评价谐波能量显像（HPI）在正常肝脏声学造影中的造影增强效果，并与彩色多普勒血流显像（CDFI）进行对比。
Objective: To assess the diagnostic value of contrast enhanced color Doppler power imaging in retained placenta during puerperal period.
目的：探讨能量多普勒增强造影在晚期产后胎盘滞留诊断中的应用价值。
Objective: To assess the diagnostic value of color Doppler power imaging (CDPI) in retained placenta during puerperal period.
目的：估价彩色多普勒能量图(CDPI)在晚期产后胎盘滞留诊断中的价值。
Purpose: To compare the color Doppler flow image (CDFI) and color Doppler power image (CDPI) of diffusive renal parenchymal disease and pathological changes.
目的：观察慢性肾病患者的彩色(CDFI)及能量多普勒血流图(CDPI)变化并与病理结果进行对照分析。
To meet the seism detections require of high accuracy, high resolving power, the measurement technique of Laser Doppler and detection technique of faint signal are further researched.
为了满足地震勘探高精度、高分辨力的需要，进一步研究了多普勒测量技术和弱信号检测技术。
The failures of power supply share over 30% of all the problems occurred to Color Doppler Ultrasound machine.
在彩超发生的所有故障中，电源故障可占三成以上。
Objective:To Assess the diagnostic value of Doppler power tissue imaging(DPTI) on Quantitating the endocardial size of infarct myocardium.
目的：探讨多普勒能量组织成像技术（DPTI）定量梗死心肌内膜面积的价值。
Objective:To Assess the diagnostic value of Doppler power tissue imaging(DPTI) on Quantitating the endocardial size of infarct myocardium.
目的：探讨多普勒能量组织成像技术（DPTI）定量梗死心肌内膜面积的价值。
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