A method was proposed to analyse the vortex using pulsed Doppler techniques.
提出了一种利用脉冲多普勒技术分析涡流的方法。
Pulsed Doppler radar (PD radar) is a kind of advanced radar which using coherent processing.
脉冲多普勒雷达是一种先进的全相参体制雷达。
Pulsed Doppler and color Doppler were used to observe the existence of aortic regurgitation.
利用彩色多普勒观察主动脉瓣口有无返流。
Pulsed Doppler spectra showed image of smooth continuous bands in the honeycomb or snaky black areas.
彩色多普勒显示病变区呈蓝红相间的彩色血流信号，脉冲多普勒显示连续带状门脉血流频谱。
The band width of a transducer has a great effect on the results of detection in the pulsed Doppler ultrasonic system.
在脉冲超声多普勒技术中，换能器的带宽对于检测结果有重要的影响。
Method The diastolic function of 30 patients with hypertension were studied with colour flowing imaging and pulsed doppler.
方法利用彩色多普勒血流显像和脉冲多普勒法对30例高血压病人左室舒张功能进行评价。
Methods: The parameters of LV structure and function were measured by echocardiography and pulsed doppler in 183 NIDDM patients.
方法：采用超声心动图检测183例非胰岛素依赖型糖尿病患者左心室功能及结构参数。
Method 2-de M-mode and pulsed Doppler were used to measure left ventricular geometric model mitral valve and pulmonary venous flow index.
方法：采用M -型和二维超声技术测量高血压患者左室几何构型，测量各组二尖瓣、肺静脉血流频谱。
Purpose To determine coronary flow reserve (CFR) in patients with essential hypertension by transthoracic pulsed Doppler echocardiography (PDE).
目的应用经胸脉冲多普勒超声心动图(PDE)测定高血压病人的冠脉血流储备功能(CFR)。
Methods 2-de, M-mode and pulsed Doppler were used to measure left ventricular geometric models, left atrial function and mitral valve flow indices.
方法采用M -型和二维超声技术测量高血压患者左室几何构型，测量各组左房功能及二尖瓣血流频谱指标。
The regurgitant volume (RV) and regurgitant fraction (RF) calculated by two dimensional pulsed Doppler (2D-PD) method were served as reference values.
在二维超声心动图上用脉冲多普勒（PD-2D）测量计算反流容积（RV）和反流分数（RF% ）。
Objective To evaluate left atrial function by 2-de, M-mode and pulsed Doppler echocardiography in different patterns of left ventricular geometric models.
目的联合应用二维、M -型超声心动图与脉冲多普勒技术评价高血压左心室不同构型左房功能改变。
As quantitative bind now measurement was in peripheral vessels by pulsed Doppler ultrasound, SV size was selected selected for decreasing measurement error.
建议在外周血管血流定量检查时，正确选用SV大小，以便减小测量误差。
Pulsed doppler echocardiography was used to evaluate the changes of left ventricular structure and function in 30 patients with chronic renal failure (CRF).
本文以超声心动图观察了30例老年慢性肾功不全患者左心结构及功能的变化，平均随访13个月。
A computer simulation method for pulsed Doppler signals from vortices was proposed to generate simulated vortex Doppler signals under various given circumstances.
提出一种涡流脉冲多普勒信号的计算机仿真方法，产生了各种给定条件下的仿真涡流多普勒信号。
The main view observed was four-chamber and combined with long axial view, short axial and aortic arch view etc, as well as color Doppler and pulsed Doppler examination.
以观察胎心四腔观为基础，酌情增加长轴、短轴、主动脉弓等切面观，并适当配合彩色多普勒及脉冲多普勒超声检查。
The known actual measured noise characteristic data of CFAs are reviewed, and the usefulness of pulse-modulated CFAs in pulsed Doppler radars are discussed in this paper.
本文回顾了已知的正交场放大管（CFA）噪声性能的实际测量数据，并且讨论了脉冲调制的CFA在脉冲多普勒雷达中的有用特性。
Method Left ventricular diastolic function was studied with pulsed doppler echo cardiography before and after vein administration Xinxuetong in angina pectoris patients.
方法：本文应用脉冲多普勒超声心动图对冠心病心绞痛者静脉输入心血通前后的左室舒张功能进行了测定。
Objective to estimate the effects of Nifedipine on the left ventricular systolic and diastolic function in patients with coronary artery disease by pulsed doppler echocardiography.
目的：用脉冲多普勒超声心动图评价硝苯地平对冠心病左室收缩功能和舒张功能的影响。
The pulsed Doppler radar is widely adopted in modern advanced fighting aircrafts as the fire controlling radar, of which some theoretical problems are still waiting for further researching.
脉冲多普勒雷达是先进战斗机上广泛采用的火控攻击雷达，对这种雷达，有些理论问题仍需进一步研究。
Objective: to determine clinical value of pulsed wave Doppler tissue imaging (PW-DTI) in evaluating aortic elasticity in coronary heart disease.
目的：探讨脉冲波多普勒组织成像(PW - DTI)在评价冠心病患者主动脉弹性时的应用价值。
Objective to investigate the application of pulsed-wave Doppler tissue imaging (PW-DTI) in evaluating left ventricular systolic and diastolic function in patients with chronic heart failure (CHF).
目的：探讨脉冲多普勒组织成像(PW DTI)技术在评价慢性心力衰竭(CHF)左室舒缩功能方面的应用。
Objective To investigate the characteristics of right ventricular wall motion by the pulsed wave Doppler tissue imaging (PW-DTI).
目的应用脉冲多普勒组织成像（PW DTI）分析正常右室心肌舒缩运动的特点。
The structure and the experimental results of a remote controlled pulsed laser Doppler velocimeter is described.
介绍一台脉冲激光遥控测速仪的结构和实验结果。
It obtains its high resolution in range by transmitting LFM signal and that in aspect by utilizing the Doppler information among the pulsed echoed signal.
它通过发射线性调频(lfm)的脉冲压缩信号实现距离上的高分辨率，利用脉冲之间的多普勒信息获得方位上的高分辨率。
The characteristics of the 2 dimensional echogram, the color Doppler energy imaging and pulsed 2 wave Doppler ultrasound spectrum were studied.
观察分析其二维声像图、彩色能量图及脉冲多普勒频谱特征。
The spray characteristics of liquid droplets supplied pulsed is measured by a Phase Doppler Particle Analyzer.
并实现了用相位多普勒粒子分析仪对脉冲式雾化液滴性能参数的测试。
Methods RV systolic and diastolic functions were evaluated in 186 patients with mild, uncomplicated hypertension using pulsed-wave Doppler and tissue Doppler echocardiography.
方法采用脉冲及组织多普勒的方法对轻中度高血压病患者的右心室功能进行了评价。
Objective To evaluate the local and whole function of different therapy in acute myocardial infarction (AMI) by pulsed-wave Doppler tissue imaging (PWDTI) with echocardiography.
目的应用脉冲组织多普勒成像(PWDTI)技术评价急性心肌梗死(ami)后不同治疗方案对心脏整体及局部室壁功能的改变。
Objective To evaluate the local and whole function of different therapy in acute myocardial infarction (AMI) by pulsed-wave Doppler tissue imaging (PWDTI) with echocardiography.
目的应用脉冲组织多普勒成像(PWDTI)技术评价急性心肌梗死(ami)后不同治疗方案对心脏整体及局部室壁功能的改变。
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