目的：探讨慢性病毒性肝炎肝静脉管径及多普勒频谱改变与肝组织病理纤维化程度的关系。
Objective: to analyse the correlation of hepatic vein diameter and Doppler waveform changes with liver histologic fibrosis in chronic liver hepatitis patients.
目的探讨年龄与组织多普勒显象测定的正常人左、右心室舒张功能之间的相关关系。
Objective to explore the correlation between age and left and right ventricular diastolic function indexes measured by tissue Doppler imaging in normal individuals.
目的应用彩色多普勒超声检查老年患者颈动脉病变，探讨高血压、高血压合并糖尿病与颈动脉硬化程度的关系。
Objective to examine the carotid arteries of patients with hypertension and diabetes by color Doppler ultrasound and to analyse the relationship between atherosclerosis and hypertension with diabetes.
目的：初步探讨膀胱癌彩色多普勒血流显像与肿块大小及病理分级的关系。
Objective: to explore the relation of Color Doppler Flow Imaging in bladder tumors and the tumor size and pathology classification.
还讨论了多普勒致冷与偏振梯度致冷的关系。
The relationship between Doppler cooling and polarization gradient cooling is discussed.
目的：探讨颈动脉粥样硬化斑块与脑梗死的关系，了解颈动脉多普勒超声在脑梗死危险预测中的作用。
AIM: To investigate the relationship between carotid atherosclerosis plaque and cerebral infarction and study the effect of carotid Doppler ultrasonography on risk assessment of cerebral infarction.
通过对地面卫星信号覆盖区内的多普勒频率偏移及不确定性范围的计算，给出了卫星导航系统信号的多普勒频率偏移与接收机位置之间的关系。
By calculating the Doppler shift and its uncertainty in the signal covering area, the relation between Doppler shift and the position of the receiver is obtained.
以多普勒超声心动图技术评价42例室间隔缺损修补途径与术后早期心功能变化的关系。
The relationship of different repairing approaches and their early postoperative ventricular function were investigated in 42 cases of ventricular septum defect by Doppler echocardiography.
利用心脏多普勒超声技术，研究小组进一步检测了在择期PCI过程中超声检测的微栓塞的发生率和心肌坏死的发生率之间的关系。
Using intracoronary Doppler ultrasound, the team investigated further by looking at the frequency of Doppler-detected microembolism in relation to the incidence of myonecrosis during elective PCI.
脉冲多普勒组织成像技术评价左室舒张功能与前负荷的依赖关系？
Is Doppler tissue imaging dependent on preload in evaluating left ventricular diastolic function?
方法应用彩色超声多普勒仪器进行胎儿脐动脉血流检测，并分析胎儿及分娩前后情况与血流检测的关系。
Method The ratio of systolic and diastolic blood stream(S/D value)of umbilic artery was detected by color Doppler ultrasound detector.
此时，采样起点和多普勒频率的变化也将影响脉压结果，并且两者对脉压结果的影响有一定的等效关系。
At this time, pulse compression results are influenced by the change of sampling starting point and Doppler frequency, and the influences by them have equivalent relationship.
目的探讨移植肾彩色多普勒能量图(CDE)与左心功能的关系和临床意义。
Objective To investigate the relationship between CDE of transplanted kidney and left ventricular function.
目的：应用彩色多普勒超声检查初步探讨脑梗死与颈动脉粥样硬化病变的关系及特点。
Objective To study the relationship between the cerebral infarction and carotid atherosclerosis with color Doppler sonography.
根据散斑理论，分析了光学结构参数与多普勒信号强度的关系。
According to speckle principle, Relation between intensities of laser Doppler signals and structure parameters of optical system is analysed.
目的：探讨椎基底动脉供血不足(VBI)经颅多普勒超声(TCD)与颈椎不稳的关系。
Objective: To investigate the relationship between transcranial doppler (TCD) and cervical instability in patients with vertebrobasilar insufficiency (VBI).
本文从双基地多普勒天气雷达系统的原理出发，介绍了双基地多普勒天气雷达的坐标系、基本几何关系、双基地雷达方程。
My paper introduces reference frame of bistatic Doppler weather radar, basic geometry connection and the equation of bistatic Doppler radar from the theory of bistatic Doppler weather radar.
本章通过分析提出了距离多普勒等成像方法中信号带宽、工作频率和成像斜角之间存在的特定关系。
The special relationship among signal bandwidth, center frequency and imaging squint angle in the Range-Doppler imaging algorithm and other methods is also presented in the Chapter 3.
分析了星载聚束式合成孔径雷达(SAR)的信号特性，主要研究了多普勒中心频率、多普勒带宽以及脉冲重复频率(PRF)与斜视角的关系。
Signal properties of spaceborne spotlight SAR were discussed. The relationships of centroid Doppler, Doppler bandwidth and PRF (Pluse Repetition Frequency) with squint Angle were analyzed.
该方法通过时频分析获得自混合信号频率随时间的变化，利用激光与外部物体相互作用后的多普勒频移与信号频率相等的关系，非常方便的获得了外部运动物体的速度历史信息。
The frequency of the self-mixing interference signal is acquired by time-frequency analysis, and this frequency is equal to the Doppler shift, so the velocity of external object is gained easily.
多普勒超声血流信号是一个非平稳的高斯随机过程，其时频分布与血流的速度及其变化有密切的关系。
The Doppler blood flow signal is inherently a nonstationary Gaussian random process whose time-frequency representation associates with the time-varying velocity of blood flow and its variations.
本文着重讨论了双光束条纹型激光多普勒测流系统中，光学分束系统参数与散射信号的关系，列出了有关的公式。
The effects of parameters of optical beam splitter on-Doppler signals in a dual beam LDV were discussed, and the formulae about these effects were given.
该文从理论和仿真两个角度研究了信噪比对多普勒中心频率估计的影响，给出了多普勒中心频率和信噪比的理论及仿真关系曲线。
The effect of Signal-Noise-Ration (SNR) to the estimation of Doppler central frequency has been studied using theoretical method and simulation technique, and results are given in curves.
利用瞬时多普勒频率与波束斜视角的对应关系构造出一种具有闭合解的距离弯曲因子。
A close-form range curvature factor is constructed through the correspondence of the instant Doppler frequency to the squint angles.
利用多普勒天气雷达探测的反射率因子Z与含水量M的Z-M经验关系式，反演雨水含量。
This paper using the Z-M experience relations of the Doppler weather radar reflectivity factor Z and moisture content M to inverse the moisture content.
目的探讨二尖瓣口血流频谱和瓣环的组织多普勒频谱与左室平均舒张压的关系。
Objective To determine the relationship between left atrial diameter and mitral valve area or left atrial mean pressure in patients with rheumatic pure mitral stenosis.
本文叙述了所研制的激光多普勒测速仪中计数显示电路的原理、特点、以及和光路之间的配合关系。
This describes the principles and features of counting and display circuit of LDV to be made and the relationship between this circuit and optical structure.
论文最后初步研究了地面非匀加速运动目标的检测问题，推导了其多普勒-时间变化关系，分析了其成对检测和成像的影响。
In the end, we conduct a preliminary study on detection of targets with nonconstant acceleration. The new Doppler-time formula are derived and its influence on detection and imaging is analyzed.
论文最后初步研究了地面非匀加速运动目标的检测问题，推导了其多普勒-时间变化关系，分析了其成对检测和成像的影响。
In the end, we conduct a preliminary study on detection of targets with nonconstant acceleration. The new Doppler-time formula are derived and its influence on detection and imaging is analyzed.
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