Finally, the color harmonic Doppler method is brought up to enhance the effect of the Average Filtering method.
论文还采用彩色谐波多普勒的方法对均值滤波法进行了改进。
Objective:To seek for a new Echo Doppler method which can more sensitively detect changes of left ventricular diastolic function in NIDDM.
目的:应用肺静脉血流图结合二尖瓣血流图评价糖尿病心脏病变引起的左室舒张功能变化,旨在探讨更敏感的检测方法。
This paper explained the commonly used principle of ultrasonic flow meter: time-difference method and Doppler method and introduced the classification of the ultrasonic flow meter.
本文阐述了超声波流量计常用的时差法、多普勒法的测流原理,以及超声波流量计的分类。
The basic principle for determining the speed of moving vehicles with GPS Doppler observed values is discussed, and the available accuracy with this method is presented.
讨论了利用GPS多普勒频移观测值确定运动载体速度的基本原理,估计出采用这一方法可以达到的精度。
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。
The conventional ISAR imaging method is based on the instantaneous Doppler of scatterers .
常规的ISAR成像方法是利用散射点的多普勒频率来成像。
On the bases of analyzing triangle wave form modulated LFM, the method of using DDR (Dual Channel Directional Doppler range) technique to eliminate the influence of speed to range is presented.
在分析三角波调制的线性调频信号的基础上,提出了用DDR技术消除速度对测距的影响方法。
Quantitative analysis of Doppler uncertainty range is derived. A method for compressing Doppler uncertainty is presented.
对多普勒不确定范围做了定量分析,提出了压缩多普勒不确定范围的方法。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
本方法对目标回波信号采用了相干视频模拟法,在视频上模拟目标回波的多普勒频率。
This paper presents a computer simulation method of the improvement factor of radar Doppler filters.
本文介绍一种雷达多普勒滤波器组改善因子的计算机模拟方法。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上,提出了一种高耦合系数条件下径向速度估计的新方法。
Results of analysing Doppler signals simulated using this method with the short time Fourier transform show agreement with the theoretical prediction.
利用短时傅里叶变换分析以这种方法合成的模拟多普勒信号,实验的结果和理论基本吻合。
In regard of evaluating miss distance of using missile fuze Doppler spectrum data, a optimizing parameter estimated method of nonlinear least square is put forward.
针对利用导弹引信多普勒频率数据求取脱靶量的问题,提出了一种非线性最小二乘优化参数估计方法。
Furthermore, applying the Doppler shift method, one can find the mass of a star.
此外,应用多普勒频移的方法,可以发现恒星的质量。
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。
The left to right shunt rate (f) and the transverse sectional area of ductus arteriosus (a) were calculated by color Doppler flow convergence method in 20 patients with patent ductus arteriosus.
用彩色多普勒血流会聚法对20例动脉导管未闭患者的左向右分流率F进行测定,并根据F值计算出动脉导管的横截面积A。
Conclusion: Color Doppler flow imaging is a useful noninvasive method for the diagnosis of vertebral artery course variation.
结论:彩色多普勒超声对椎动脉走行变异是一种理想的无创性诊断方法。
The initial work location is scaled by Angle tuning method in Doppler wind lidar which utilizes double edge technique.
利用角度调谐的方法标定了多普勒测风激光雷达双边缘探测技术中的初始工作点。
Objective to probe into the method and clinical value of color Doppler echocardiographic image (CDEI) to heart transplant surgery.
目的探讨彩色多普勒超声心动图(CDEI)在心脏移植术后检查的方法及价值。
Making use of Doppler shift to control explosion is one method.
利用多普勒频率控制起爆就是方法之一。
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。
A Doppler rate estimation method based on sub-space projection technique was proposed.
提出了一种基于子空间投影技术的多普勒调频率估计方法。
This paper discusses a new method for measuring displacement using grating Doppler effect.
本文研究了一种利用光栅衍射的多普勒效应进行位移测量的新方法。
Laser Doppler Anemometry (LDA) is a non-contact optical method for measuring flow velocity.
激光多普勒测速技术(LDA),是一种流体速度的无接触式光学测量方法。
Doppler echo is a sensitive and convenient method for diagnosis and follow - up.
多普勒超声为诊断和随访的敏感而便捷的方法。
Aiming at the acquisition problem of direct sequence spread-spectrum (DSSS) signals with large Doppler offset, a new method based on fast Fourier transform (FFT) is proposed.
针对具有大多普勒偏移的直接序列扩频信号捕获问题,提出一种基于快速傅里叶变换(FFT)的多普勒和伪码分别并行搜索的捕获新方法。
A method of removing the estimating outliers of Doppler frequency is studied.
研究去除多普勒频率估计野值点的方法。
This article introduces the basic principle of radar narrow band doppler filters, puts up the designing method of the hardware circuit and analyzes the filter accuracy.
介绍了采用数字方法实现雷达窄带多普勒滤波器组的基本原理,给出了硬件电路的设计方法,并对滤波器精度进行了分析。
This paper presents a system simulation method of pulse Doppler radar altimeters with frequency agility.
本文提出了雷达高度计的一种系统模拟方法。
This paper presents a system simulation method of pulse Doppler radar altimeters with frequency agility.
本文提出了雷达高度计的一种系统模拟方法。
应用推荐