The scopes of wave velocities and reflection coefficients of slippery pulse,wiry pulse and plainpulse in hundreds of healthy persons were studied.
本文从脉搏波形成的源头出发,根据血液动力学原理,分析脉搏波形成的原因,并运用脉搏波传播和反射的理论,研究了中医常见的弦脉、平脉和滑脉的压力脉搏波传播速度和反射特性,对所采集的正常人群中的滑脉、弦脉和平脉的脉搏波波速和反射因子的变化范围进行了分析,结果发现弦脉、平脉和滑脉的波速和反射系数呈现规律性分布。
The Doppler weather radar is the advanced radar system up to now in the world, it not only extract the reflectivity factor in the radar echo which is done by the traditional weather radar, but also extract the radial velocity and relevant spectral width of the precipitation particle, which great improved the capability of weather monitoring and forecast.
多普勒天气雷达是目前世界上先进的雷达系统，它除了能够从雷达回波中提取反射率因子信息外，还可以从雷达回波中提取云雨目标沿雷达径向的运动速度和相应的谱宽信息，增强了天气雷达的监测和预警能力。
The real-time characteristics of vertical profiles of radar reflectivity during four weather processes from 2004 to 2007 are analyzed on the basis of the volume scan data from the Doppler radar at Shijiazhuang and the nearly simultaneous 10-minute precipitation measurements from rain gauges,and meaningful results are gained.
利用自动雨量计数据整理成的10 min一次的雨量资料和S波段多普勒天气雷达体积扫描强度数据,对石家庄地区2004~2007年4次天气过程的实时雷达反射率因子垂直廓线的特征进行了分析。
Direct assimilation of Doppler radial velocity and radar reflectivity that arenon-model variables is a challenge.
为了探索解决非模式变量—径向速度和反射率因子的直接同化问题,从实际业务应用的前景和价值出发,采用三维变分同化方法,研究建立了多普勒天气雷达基本观测量的直接同化方法,并应用韩国Jindo雷达资料、美国IHOP_2002试验WSR-88D雷达资料和上海WSR-88D雷达资料,分别对台风Rusa(2002)、飑线天气、中尺度暴雨和登陆台风Matsa(2005)进行了分析与模拟。
Radar reflectivity factor(Z factor)is retrieved by its measured data and its horizontal and vertical cross sections are presented.
文中讨论了星载测雨雷达的雷达反射率因子反演算法,使用测雨雷达的真实数据计算了反射率因子,得到了水平与垂直截面图,并给出了台风的三维结构图,为揭示降水的内部结构提供了重要信息;使用路径积分衰减值等对反射率因子进行了衰减订正,获得了准确的反演结果。
As a results, radar reflectivity factors for three different cases associated with specified orientations of rotary axes have been re defined and correction coefficients have been calculated for radar observation of precipitation with non spherical raindrops.
导出了雷达发射水平偏振波时适用于旋转椭球雨滴群在三种不同取向情况下的雷达气象方程，并且重新定义了相应的雷达反射率因子，确定了在用雷达测定非球形雨滴降水时的订正系数，为提高雷达定量测量强降水的精确度提供了一种新的理论方法。
Precipitation radar\'s standard algorithms of retrieving radar reflectivity factor are introduced first and an improved method is brought forward.
在介绍测雨雷达反演雷达反射率因子的标准算法的基础上,对雷达反射率因子反演算法进行了改进。
radar equivalent reflectivity factor
雷达等效反射率因子
Improvement Research on Radar Reflectivity Factor Retrieval Algorithm of Spaceborne Precipitation Radar
星载测雨雷达反射率因子反演算法的改进研究
RAINDROP SIZE DISTRIBUTION AND THE RELATIONSHIP BETWEEN RAINFALL RATE AND REFLECTIVITY
降雨型滴谱与反射率因子及雨强关系研究
Retrieval of Hydrometeor and Vertical Velocity from Radar Reflectivity Factor and Numerical Simulation Experiments;
雷达反射率因子反演云微物理量和垂直速度及其数值试验
ESTIMATION AMOUNT OF SUMMER REGIONAL HEAVY RAINFALL USING THE AVERAGES OF RADAR VPRs TOGETHER WITH RAIN GAUGE ADJUSTMENT
用反射率因子垂直廓线联合雨量计校准估测夏季区域强降水
A Study on the Relationship between Radar Reflectivity of Rainfall and Relative Humidity of Atmosphere;
降水的雷达反射率因子与大气相对湿度的相关关系研究
Assimilation of Microphysical Adjustments Using Reflectivity of CINRAD/CD Doppler Radar For Meso-Scale Model
CINRAD/CD雷达反射率因子同化对中尺度数值模式云微物理量场调整的分析
the fraction of radiant energy that is reflected from a surface.
从表面反射的辐射能的因子。
Reflectivity of semi-infinite one-dimensional photonic crystal composed of alternate layers of ordinary material and negative refraction material
正负折射率材料组成的半无限一维光子晶体的反射率
the ratio of reflected to incident light.
入射灯光反射的比率。
Transmittance And Reflectance Meter
可视光透过率、反射率计
The factors influencing the measurement results of vitrinite reflectance and revise
镜质体反射率测定结果的影响因素及其校正
Enhanced Light Extraction Efficiency of LEDs by Using Photonic Crystal and Omni-directional Reflector
采用光子晶体与全向反射镜提高LED光提取效率
High Reflectivity Measurement of Mid-and-far Infrared Mirrors with a Quantum Cascade Laser
基于量子级联激光器的中远红外高反射率测量
Study on the model of quantum efficiency of reflective varied doping GaAs photocathode
反射式变掺杂GaAs光电阴极量子效率模型研究
Method of Retrieving Refractive Index of Aerosol Particles
大气气溶胶粒子折射率虚部反演方法研究
The material origin of the time rate of change of radiant reacting force is the radiation field.
辐射反作用力变率的物质来源是带电粒子的辐射场。
The ratio of the amplitudes of the reflected and incident waves is termed the reflectivity or reflection coefficient.
反射波振幅与入射波振幅的比率称作反射率或反射系数。