时延测量精度是制约距离测量精度的主要因素。
The main factor for ranging distance is high precision time delay.
因此，本文拟在不改变扫频带宽的前提下提高频率估计精度从而提高距离测量精度。
The thesis plans improving frequency estimation accuracy, without changing the bandwidth of the transmitted signal. So, we can improve the range estimation accuracy.
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。
The range measurement of the FMCW radar is based on the estimation of the frequency of the beat-note signal.
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.
在距离变换阶段，该方案采用了一种新的三维欧氏距离变换算法，在保证距离测量精度的同时缩短了运算时间。
To reduce the computation time, a new 3d Euclidean distance transformation algorithm was adopted to compute the distance map of the medical image.
我们无法回到数十亿年以前或到数十亿光年以外的距离进行衡量，但我们可以在实验室以非常，非常高的精度测量它。
We can't measure it over billions of years or over billions of light years, but we can measure it to very, very high precision in the laboratory.
这种移动测量系统通过代价函数的计算和距离剖面匹配使得重建图像的精度和效率大大提高。
The accuracy and efficiency of traverse measurement system are improved by means of the cost function calculation and range profiles matching.
采用该算法可以方便地测量多频连续波雷达系统的零距离，提高雷达系统的测距精度，减小测距的系统误差。
Using this algorithm, the zero range in CW radar can be measured conveniently with range accuracy improved and range system errors decreased.
分析距离、孔径、K值和温度等影响斜探头K值测量精度的因素。
The factors of distance, hole diameter, K value and temperature affecting the measuring precision of K value of Angle probe were analyzed.
实验结果表明，该方法标定精度高，已标定传感器测量空间距离的相对误差优于0.3%。
It is shown that this method has high precision by experiment, and the measured relative error of space length excels 0.3%.
该系统对有限范围的距离测量具有较高的精度和可靠性，最后文中分析了误差产生的原因及如何对系统进行完善。
This devices measure the distance in high precision and reliability of the final text analysis of the causes of the errors and how to improve the system.
该算法通过测量信标节点之间的距离，获得信标节点rssi值测量误差和网络的定位误差，并对误差进行补偿，从而提高整个网络的定位精度。
Errors of RSSI measurement and network location can be got by measuring the distance between beacon nodes, thus the positioning accuracy of entire network can be improved by error compensation.
该系统测量精度高，安全可靠，能实时监测车身侧面与障碍物之间的距离。
It can detect the distance between the side of vehicle and the obstacle in real time.
介绍了中丝视距法测量水平距离和高差的基本原理及计算公式，并对其测量精度进行了分析。
This paper introduces a basic principle and calculation formula of measuring the horizontal distance and elevation difference by central hair stadia, and analyzes its measuring precision.
对于中程距离的测量，从测量速度、精度和可靠性的折衷方面来讲，相位式激光测距法优于其它的测距法。
In terms of speed, accuracy and reliability for medium range measurement, phase shift laser rangefinder is superior to other methods.
在激光基准长距离、高精度直线度测量中，空气扰动是影响其测量精度的一个主要因素。
Atmosphere turbulence is the major factor that affects the accuracy of the propagating direction of a laser beam, and causes serious errors in laser straightness measurement at long distance.
目前被动声探测距离精度还不能满足跟踪的需要，因此，反直升机智能雷对目标的跟踪问题归结为仅有角测量的跟踪问题。
Tracking target by using anti-helicopter mine (AHM) is actually the bearing-only measurement because precision of range detected by passive acoustic measurement cant satisfy the need of tracking.
新的纠斜控制方法以减小测量点与开孔点垂线间的水平距离为目标，可以提高垂钻轨迹的垂直精度。
Its characteristics include that the counter force is proportional with the horizontal distance of a vertical line where BHA is offset from an open hole.
实验证明该测量系统的硬件结构简单，测量精度高，具有较高的智能化程度，容易实现多点和远距离测量。
The experiment tests that the measuring System has a lot of merit, such as simple structure, high accuracy in measurement, high intelligent, distant testing.
结果表明，在水下有效测量距离范围内，利用磁偶极子辐射源进行被动测距与跟踪的方法是有效的，具有较高的测距精度。
The results of simulational experiment show that the method of passive ranging and tracking is effective and fairly precise by the magnetic dipole sour ce within the undersea functional range.
首先，本文在讨论了数据融合相关技术的基础上，对电视跟踪仪高精度的角度测量和雷达高精度的距离测量作点迹融合。
Firstly, this paper introduces the corresponding technique of data fusion, and then the Angle of video tracker with high accuracy is fused with the range of radar with high accuracy.
实验结果表明，上述方法标定精度较高，已标定传感器空间距离测量相对误差小于0.45%。
With calibrated sensor, experiment results show the measured relative error of space length is less than 0.45%.
并且为了减小声源运动距离和获得较高的重建精度建议采用双阵列测量。
And the double arrays are suggested to be adopted in order to decrease the moving distance of source and improve the accuracy of sound field reconstruction.
利用激光光束直线基准进行自准直角度测量具有测量精度高、测量距离远等优点。
Using laser beam as a linear reference to realize autocollimation Angle measurement has advantages such as high accuracy, long measurement distance, etc.
该系统具有现场无须带电、安全可靠、数据远距离传输、测量精度高等优点，并给出了该系统的现场应用情况。
The system has so many advantages such as measuring without electric power, good safety, far distance data transfering, and high precision. Some applications are given.
本文将伪随机码应用于超声波测距中，解决了超声波测距中存在的测距精度低和测量距离近的问题。
PRBS is applied in ultrasonic distance measurement in this article, which resolves some problems existing in it.
在实际应用中，中短距离较高精度非接触测量的需求广泛存在，但目前还没有提出一种价格低廉，结构简单，精度较高的中、短距离测量方法。
In practical application, the needs of middle and short distance measurement are widespread, but so far, no cheap, simple, high precision measurement is brought forward.
随着航空、航天技术的飞速发展，人们对雷达提出了高精度、远距离、高分辨率及多目标测量等要求。
This requires radar with high accuracy, long distance and high resolution and multi-target measure function.
实验证明系统具有测量盲区小、远近距离测量较稳定、精度符合工程指标的特点。
Experiments prove that the blind zone is small, the performance is stable in far and near measure range, and the accuracy accords with engineering requirements in this system.
实验证明系统具有测量盲区小、远近距离测量较稳定、精度符合工程指标的特点。
Experiments prove that the blind zone is small, the performance is stable in far and near measure range, and the accuracy accords with engineering requirements in this system.
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