距离测量

三维DSA距离测量准确性的模体定量评价研究

Quantitative evaluation of distance measurement accuracy using phantoms for three-dimensional digital substraction angiography system

将LD泵浦的Nd：YVO4激光与连续波频率调制技术相结合，提出一种绝对距离测量新方案。

Combination of Nd : YVO_4 laser pumped by LD and FMCW produces a new scheme for distance measurement .

GPS与测距仪短距离测量精度探讨

Discussion About the Precision in Short-range Survey with GPS and Range Finder

线阵CCD在机械微变距离测量中的应用

Application of linear CCD in the mechanical measurement of vernier distance

基于双频GPS观测信息和星间距离测量的高精度星间相对定位方法

The High-Precision Inter-Satellite Relative Positioning Method Based on Measurement Information of Dual-Frequency GPS and Inter-Satellite Distance

近距离测量时Ge（Li）探测器的峰效率刻度和符合相加修正

Peak efficency calibration and coincident summing correction of a ge ( li ) detector at short source-to-detector distance

RADIX-Turbo型CT机多分格显示的距离测量方法

Distance Measurement on RADIX-Turbo CT Multi Tesselated Display

利用凸透镜成像原理，用普通摄像头镜头和CMOS图像传感器加上ARM处理器，可构成简单实用的距离测量系统。

Using the theory of formation of a imagine with convex , we can build a distance system with lens ofPC camera and CMOS imagine sensor plus ARM processor .

基于ARM处理器LPC2119的光电距离测量仪

A New Optical-electronic Measuring Apparatus for Distance

该方法已用于FMCW液位测量雷达并取得1mm距离测量精度。

This technique has been used in FMCW level radar and 1 mm range measurement accuracy has been achieved .

目前对节点的定位主要分为基于距离测量值（rangebased）和无需测量距离（rangefree）两种方式。

The method of positioning node is mainly divided into two sorts , one is based on the measured distance ( range based ), the other one do not need to measure the distance ( range free ), and there are lots of methods in each sort .

结论螺旋CT三维重建技术是一种既能立体展示牙齿表面形态，又能精确判断牙齿位置和距离测量的影像学技术。

Conclusion 3D reconstruction technique with helical CT is a technique to display three dimensional surface configuration of teeth and to measure its location precisely . This technique can be applied to examine impacted teeth in bone before surgical and orthodontic treatment .

将连续波频率调制技术与新型激光晶体Nd∶YVO4相结合，提出一种绝对距离测量方案；

With the combination of frequency modulation of continuous wave ( FMCW ) and laser crystal Nd ∶ YVO 4 , a new scheme of ranging system is proposed .

采用这套绝对测量系统，可以实现长度为2m以内的绝对距离测量，定位精度可以达到±0.5μm。

With optical multiplication absolute distance measurement technique , the measurement of absolute distance up to 2 meter is achieved , with the positioning accuracy of ± 0.5 μ m.

为了提高FMCW雷达的距离测量精度，提出了一种基于差拍信号相位的距离估计方法。

To improve the range measurement accuracy a range estimation method for FMCW level radar based on the phase of the FFT of the beat-note signal is presented .

给出一种以频率调制连续波（FMCW）技术为基础的进行无接触、无累加误差和较大动态范围距离测量方法。

Based on linear frequency modulation continuous wave ( FMCW ) technique , we have developed a distance measurement method for non contact and non integrating error measurement .

在离仪器门水平方向最大150mm（6英寸）的距离测量室温。

Measure ambient temperature at a maximum distance of150 mm ( 6 in . ) from the plane door of the apparatus .

由于该系统没有距离测量信息，因此对3R系统的电波折射修正方法就不同于单脉冲雷达和干涉仪的修正方法。

There is no measured information of range for this system , so that the method of radiowave refraction correction for 3R system is different from that for monopulse radar and interferometer .

在FMCW（调频连续波）微波液位测量系统中，回波差拍正弦信号的频率检测是实现距离测量的关键。

In the FMCW ( frequency modulated continuous wave ) liquid level measuring system , the key to measure the distance is to detect the frequency of the sinusoidal echo beat signal .

现场飞行实验表明，应用所提出的方法可以准确重建电力线路的三维信息，使得系统的物线距离测量达到巡线需要的0.5m精度要求。

The flight experiment result shows that the proposed method can successfully reconstruct 3D power line , and the AMPLI measurement accuracy of the relative distance satisfies the user requirement of 0.5 m.

测距仪的测量范围是4cm～300cm，近距离测量误差不超过1cm；远距离测量误差大于1cm。

The measurement range is 4cm ~ 300cm . The measurement error is less than lcm for short distance while it is over 1 cm for long distance .

该算法采用自回归模型建模，用距离测量法（Itakura和euclidian）对数据分类，发现VF利VT的错误率少于10%。

With auto regressive ( AR ) model applied to modeling , Itakura and Euclidian distance measurements are used to classify data . With this method , VF and VT conditions are detected with error less than 10 % .

运用设计的声学特性测量系统，以40KHz的平面发射换能器和两个声波探针为传感器，进行了海底沉积物声学特性小距离测量实验。

Based on the acoustic properties measurement system , the seabed sediment acoustic properties on small-gap measurement experiment was carried out using the two probes to be sensors .

方法对106名正常国人及2例BI、3例Chiari畸形病人颅底及颅颈交界（CCJ）区MRI正中矢状面T2WI及T1WI上的10个点间的距离测量，计算出有关夹角。

Methods The associated angles were calculated based on the distances measured between ten points on MRI Ti WI and TiWI of the central sagittal slices at the cranial bases and the CCJs of 106 cases of normal Chinese , two patients with BI and three patients with Chiari malformation .

三光束干涉绝对距离测量方法的研究

Study on the Tri - beam Interference for Absolute Distance Measurement

基于超声波的距离测量系统的研究及其应用

The Study and Application of Distance-Measurement System Based on Ultrasonic Wave

相位测距非合作目标法在近距离测量中的应用

Using of non-cooperation object laser phase position measure in close range

足球运动员比赛条件下运动距离测量和运动速度分析

Movement Distance Measurement and Speed Analysis of Players in Soccer Match

天体距离测量的理论依据

Research on theories basis that measure of heavenly body distance

介绍了外差法绝对距离测量的基本原理，在此基础上设计了一套用于绝对距离测量的相位测量系统方案。

The principle of absolute-distance measurement based on heterodyne method is introduced .