反射测量

本文根据现场情况，提出了Lamb波测量和超声反射测量两种方案。

According to the local instance , two schemes ( Lamb waves measurement and Ultrasonic reflection measurement ) are brought forward .

时域反射测量技术在网络故障检测中的应用

Application of the time domain reflection measurement in the network feature testing

最后采用反射测量法给出了WCDMA二端口无源互调测量系统框架和相应的参数说明。

At last , measure frame and parameter elucidation of WCDMA two ports PIM system is given by adopting reflected measurement .

对TDR时域反射测量、频响测量和噪声测量等功能，给出关键的测试方法和设计技术。

The paper put forward test method and design technologies of TDR ( Time Domain Reflectometry ) measurement , frequency response measurement , noise measurement , etc.

从电磁学理论及时域反射测量（TDR）法出发，系统分析TDR传感器类型、材料及尺寸对测试精度的影响。

On the basis of electromagnetic theory and time domain reflectometry ( TDR ) method , the effects of TDR sensor type , material and size on the accuracy of the measurement are systematically analyzed .

使得在一台仪表内综合了频响测量、时域反射测量、噪声测量、离散多音频调制测量和DMM测量等功能。

By adopting the technologies above , it is feasible to integrate frequency response measurement , TDR measurement , noise measurement , discrete multiple tone frequency modulation , DMM and all other functions in one instrument .

在近红外区域，本文采用了漫反射测量方式。

Diffuse reflection mode is used in Near - Infrared region .

由菲涅尔反射测量平行平面介质的折射率

Measurement of refractive index of parallel planar medium by Fresnel reflection

在这些钻孔中，进行了单孔反射测量和跨孔测量。

Both single-hole and cross-hole measurements were carried out .

高分辨率地震反射测量法在某大坝现场的应用

High-resolution seismic reflection survey at a proposed dam site

小麦水分状况的光反射测量

Estimation of wheat water status by reflectance measurements

光学弱相干反射测量系统频谱分析

Spectrum analysis of the optical low-coherence reflectometry system

空间分辨漫反射测量方法能够用于活体组织光学参数的测量。

The optical parameters can be measured in vivo by the spacial-resolved diffusing reflection .

本文提出一种采用线光源分布的扩散理论模型用于斜入射反射测量。

A diffusion theory model induced by a line source distribution is presented for oblique-incidence reflectometry .

布里渊光时域反射测量技术是目前国际上近几年才发展成熟的一项高端传感技术。

Brillouin Optical Time Domain Reflectometer ( BOTDR ) is a state-of-the-art sensing technology in recent years .

镜反射测量技术

Measurment techniques of mirror reflected

发展了一种基于时间分辨反射测量技术的混浊介质光学参数重构方法。

A method for determining the optical properties in turbid medium is developed based on time-resolved reflection measurement .

GB/T14847-1993重掺杂衬底上轻掺杂硅外延层厚度的红外反射测量方法

Test method for thickness of lightly doped silicon epitaxial layers on heavily doped silicon substrates by infrared reflectance

培育氮高效的玉米新品种是众多植物育种项目的主要研究领域。反射测量可能用于对作物的氮效率进行快速而经济的评估。

The development of new maize variety with improved nitrogen effciency is a major thrust in many plant-breeding programs .

该文重点研究不同空间分辨率下粗糙地表的表面二向性反射测量。

The study focused on scaling the surface bidirectional reflectance of the rugged surfaces from fine to coarse spatial resolutions .

因此光反射测量可以作为小麦水分状况测量的一个重要工具。

The results indicate that reflectance measurements may provide a powerful tool for the evaluation of water status in wheat plants .

本文介绍了一种基于超声波循环反射测量原理的高精度超声测距方法，并给出了以单片机为核心的测距系统的组成。

A new method for ultrasonic distance measurement based on ultrasonic circulation and multi pulse echo principle is presented in the paper .

同时改进了生物组织折射率的全反射测量方法，发展了一种生物组织等效折射率的确定算法，对几种典型的组织样品进行了定量测量。

A new algorithm is put forward to calculate the equivalent refractive index and some kinds of biological tissues are quantificationally measured in experiment .

上述结果说明，开花期前后的反射测量可以作为玉米氮效率筛选的一个简单、快速而经济的评估工具。

The results indicate that reflectance measurements may provide a simple , fast and inexpensive tool for the screening of nitrogen use effciency of different maize genotypes .

发展了基于漫反射测量的适合于胃、宫颈等内脏薄层状组织光学参数重构的微扰蒙特卡罗模拟。

This paper aims at the development of rapid reconstruction of optical properties ( the absorption and scattering coefficients ) based on the intensity of reflected diffused light .

本文在分析了三维面型检测的发展现状及目前辊型的检测方法的基础上，提出了声循环多次脉冲反射测量原理，并以此为基础设计了上位机化的超声波辊型测量系统。

This paper presents the sonic circulation and multi-pulse echo principle and designs roll profile ultrasonic measurement system based on the analysis of 3D surface measurement technology and roll profile measurement methods .

在延庆怀来地区穿过深断裂位置开展的浅地震反射测量获得了高分辨率的地壳浅部结构图像。

High resolution shallow seismic reflection measurements were carried out crossing deep faults which were revealed by deep seismic reflection profiles in Yanqing-Huailai region , and high-resolution images of shallow crust were obtained in this region .

通过对多种不同性能材料样品的测量分析，验证了本装置的测量能力，装置的稳定性考核表明其反射测量扩展不确定度为1.2dB，透射测量扩展不确定度为0.8dB。

Measurements are made on a number of samples with widely varying properties to illustrate the capability of this facility . Its stability is also checked and the results show that the expanded uncertainty in reflection and transmission measurement is 1.2 dB and 0.8 dB .

本文讨论了均值估计数字处理技术在光时域反射测量应用中的基本物理过程、数理统计原理、计算机有限字长和触发脉冲存在相位颤动的效应以及基本性能的评价。

In this paper the basic physical process , mathematical statistics , the effects of finite register length and trigger phase jitter , and the basic performance evaluation in digital averaging estimation processing techniques are discussed in detail for the application in the optical time-domain reflective measurements .

X射线反射法测量铋系超导薄膜的结构参数

Structure Parameter of Bi Superconducting Thin Film Using X-Ray Reflectivity