测距误差

本文采用幅、相频率特性和相位波动特性来分析TTC信道中的测距误差。

This paper uses frequency character and phase fluctuating character to analyse range error of TTC systems , and gives out formulas .

但是，该方法受测距误差的影响较大。

However , the performance of this method is effected by range error .

基于BP神经网络的超声测距误差补偿

Ultrasonic distance measuring error compensation based on BP neural network

对于单频GPS接收用户，电离层时延是重要的测距误差。

For the single frequency GPS user , the time delay in ionosphere is important mistake .

3摄像机CCD像面上像元的量化误差引起的测距误差。

The ranging error caused by quantization error of image element on CCD image plane of camera .

TTC系统中测距误差的频率特性分析法

Use Frequency Character to Analyse Range Error of TTC Systems

然后分析了正交约束条件对测距误差的影响，并建立了双CCD激光测距实验系统。

Second , an effect of orthogonal constraint condition on the tolerance of laser range is analyzed . And a 2-CCD experiment system is established .

实验表明，该算法体现了良好的定位性能，随着测距误差的增大，定位性能在收敛速度、定位精度和鲁棒性上，比单纯的PSO算法有明显的改善。

Experimental simulations show that this proposed method plays better performance than PSO as ranging error increasing , in location precision , convergence speed and robust performance .

DTV定位是一种具备亚米级测距误差和米级定位精度，可成为传统卫星定位有益补充或替代的定位技术。

DTV positioning having sub - meter level ranging error and meter level localization accuracy can compare with traditional positioning technology .

在IR-UWB系统中，考察了测距误差对中继选择的影响，并研究了误差对系统性能的影响。

In IR-UWB system , the influence of ranging error to relay selection and the performance of system is investigated .

为了降低测距误差对定位精度的影响，本文使用RSS经验衰减模型估测单跳节点间的距离，并对利用卡尔曼滤波算法降低噪声的过程进行了探讨。

For reducing range measurement error , the paper utilizes RSS experience attenuation model to measure one hop-distance between nodes and discuss on using kalman flitter to reduce the noise .

经过结果分析，该算法受RSSI测距误差影响较大，可以实现节点的粗定位。

After analyzing the results , the algorithm is mostly influenced by the RSSI ranging error , the coarse positioning of node can be achieved .

对LiDAR测距误差进行了详细的分析，设计了一种简单可行的对激光测距误差的测定方法，并对误差结果进行总结分析讨论。

LiDAR ranging error is analyzed in detail , a simple and feasible method for the determination of the laser ranging error is designed , and the error results are summarized and discussed .

但是算法存在着将跳段距离作为直线距离的缺点，同时其衍生算法DV-distance算法易受测距误差的影响。

But the algorithm may use the jump distance as straight line distance . And the DV-distance algorithm may be affected by ranging error .

演示系统使用已建立的RSSI模型，用图形化方式显示定位效果，并对定位系统的关键数据信息进行一定的智能处理，分析定位系统在当前环境下的测距误差和定位精度。

Then , based on the built RSSI model , pc demo system displays the node position in a graphic way , and intelligently concludes these data which collect from node localization system , analyzes the ranging error and localization precision in the current environment .

仿真结果表明：测距误差将小于0.15km，且测距精度不受故障类型和过渡电阻的影响。

Simulations show that , the locating error is less than 0.15km , and the fault types and fault resistances have no influence on locating precision .

运行经验表明，该装置具有较高的可靠性、准确性及性能价格比，其平均绝对测距误差不超过400m，最大绝对误差不超过900m。

The on site operating experience shows that the presented locator has high reliability , accuracy and performance price ratio . The average absolute location error of the locator is less than 400 meters , and the maximum absolute error is less than 900 meters .

研究并确定了基于时间到达的地雷节点自定位方法，根据IR-UWB信号近地面传播特性研究的相关结论，对定位测距误差进行了分析，并提出了提高地雷节点自定位精度的方法。

The self-localization method of the landmine node base on the time of arrival ( TOA ) ranging algorithm is studied . With the results of the near-ground propagation characteristics , the location and ranging error are analyzed , then the method of improving the self-localization precision are given .

2坐标测量机的机构误差引起的测距误差；

The ranging error caused by mechanism error of Coordinate Measuring Machine .

脉冲激光器的鉴相体制测距误差分析

The error analysis and research on measuring distance pulsed-semiconductor laser

对某距离自动跟踪系统测距误差的分析

Analysis on ranging error of one automatic range tracking system

基于小波变换的机器人超声波测距误差补偿研究

Study of Error Compensation in Robot Ultrasonic Ranging Based on Wavelet Transformation

多径和噪声作用下延迟锁定环的测距误差分析

Analysis of Ranging Error with Delay-Locked Loop in Presence of Multipath and Noise

最后指出了系统测距误差的来源及补偿措施。

Finally , the origin of range error and compensatory methods are pointed out .

基于坐标测量机的双目视觉测距误差分析

The Error Analysis of Binocular Vision Ranging Method Based on the Coordinate Measuring Machine

超声波测距误差分析

Error analysis of measuring distance with ultrasonic

被动式光学测距误差分析

Error analysis of the passive optical ranging

对实际工作参数的计算及校飞试验的结果证明，此距离自动跟踪系统引入的测距误差较小，满足雷达系统的要求。

The calculation result of practical parameters proved this system has better range measurement accuracy .

它的主要特点是：可明显提高感知精度，且对测距误差具有很好的鲁棒性。

The unique characteristics of ACQ are highly accurate and robust to the range measurement error .

而随着测距误差方差的提高，最佳中继节点的误选择率也逐渐增加。

And the error rate of the best relay node selection increased with the increased variance .