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- Materials and Methods: The peak systolic velocity at mitral annulus (Sa) was measured by DTI pulsed wave mode using the apical window at 4 chamber, 2 chamber and long apical views. 材料和方法:对肥厚型心肌病及正常人分别测量二尖瓣环各点收缩期峰值速度。
- XMAC works with monopole full wave mode in cased hole. XMAC在套管井中采用单极全波测量模式。
- 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。
- Methods:Combined with pulsed wave Doppler,blood flow characteristics of 36 hepatic hemangioma in 28 patients were studied by CDE and CDFI,respectively. 方法:用CDE与CDFI观察28例(36个)肝血管瘤内的血流情况,比较两者的血流显示率。
- Methods By using the technique of CDI ultrasound, 288 cases with orbital diseases were examined to show color Doppler flow imaging and pulsed wave Doppler (PWD) spectrum. 方法 应用CDI技术对 2 88例眼眶病患者眼眶病病变内部的彩色血流显像和脉冲多普勒频谱进行检测。
- Methods 13 patients with renal artery stenosis were assess using color Doppler flow imaging(CDFI)and power Doppler imaging(PDI)and pulsed wave Doppler(PWD). 方法使用彩色多普勒血流显像(CDFI)、能量多普勒显像及脉冲多普勒频谱分析(PWD)对经血管造影证实的13例肾动脉狭窄病人进行研究。
- Objective Pulsed wave Doppler tissue imaging (PWDTI)was used to quantitively analyse left ventricular systolic function before and after revascularization. 目的采用脉冲多普勒组织成像技术(PWDTI)定量分析血管重建术前后左心室的收缩功能。
- In this work, the propagation characteristic of electromagnetic wave in a round tunnel is simulated by solving numerically the wave mode equations. 研究了圆形隧道中电磁波的固有传播和导行传播的传播特性,采用数值方法求解了波模方程。
- Objective: Tei index is usually measured with pulsed wave Doppler (PWD). Our aim was to assess the degree of agreement between PWD and a method based on tissue Doppler imaging (TDI) and its clinic application. 研究目的:本研究应用组织多普勒技术成像的频谱方式来评价左室Tei指数,通过与脉冲频谱多普勒的方法对比,来探讨应用组织多普勒技术来计算左室Tei指数的可行性问题及其临床应用。
- Objectives: To observe the changes on heart structure and function with echocardiogram and pulsed wave Doppler tissue imaging ( PW-DTI) in acute myocardial infarction (AMI) patients. 目的：应用心脏超声及脉冲组织多普勒成像(PW-DTI)技术定量观察急性心肌梗死患者梗死初期及随访期中心脏结构及功能的改变。
- In addition,the resistant index(RI)>0.7 and the bifurcated peak on pulsed wave Doppler(PWD)of blood flows inside or peripheral of the tumors implied much more positive malignancy prediction. 另外脉冲多普勒频谱阻力指数 RI>0 .;7及峰值的“开叉”现象也具有很好的阳性预告意义。
- The electromagnetic fields components of the TE wave mode of a half-round waveguide are obtained theoretically, by using the conclusions of the rectangle and the circular waveguide, the superposition method and the mirror image method etc. 摘要利用矩形波导和圆形波导的结论，并结合叠加法和镜象法等工具，从理论上分析给出半圆形波导的TE波模型的电磁场分量。
- Methods Coronary artery opening and interior diameter were measured. The coronary diameters were traced and the blood flow characteristics were observed using 2 D echocardiography, pulsed wave Dopper and color Dopper flow imaging. 方法 利用二维超声 ( 2DE)、脉冲多普勒 (PW )、彩色多普勒血流显像 (CDFI)检测受累冠状动脉开口、内径、追踪其走行及扩张处血流特点。
- A hightech-gang in Germany is using and testing HPM-weapons that supply continous or pulsed waves over long periods of time. 他们有电磁管;微波发生器;放大器和系统集成.;两个或两个以上的脉冲波传送器，攻击目标区域，并加强其效果。
- parasitic oscillation in backward wave mode 回波寄生振荡
- wave mode selectorwave mode selectorwave node 波节
- The pulse wave can be detected using a near infrared sensor and analyzed using by an 8 bit EPSON microprocessor. 文中还介绍了使用近红外光传感器检测脉搏波的方法 ,以及算法在 8bit的 EPSON单片机上的实现 ,并研制出了原型样机用于实际的检测。
- The Difference in Discrete Harmonics Synthesized pulse Wave form based on FFT and F.T. Spectrums. 依快速富氏与富氏转换频谱以离散谐波合成时脉波形之差异。
- Should be avoided from water directly, otherwise the pulse wave will be influenced. 应避免直接接触水分，否则对脉冲的波形会产生影响。
- A continuous noninvasive method for blood pressure (BP) estimation by pulse wave transit time (PWTT) is described. 摘要研究了一种能进行个体校正利用脉搏波传导时间无创连续测量血压的方法。
