测距精度

线性调频脉冲压缩雷达和声纳的测距精度与参数管理

Range Accuracy and Parameter Administration for Linear FM Pulse Compression Radar and Sonar Systems

还提出了3点插值算法并将其用于目标距离估计，进一步提高激光雷达的测距精度。

A technique named 3 - point interpolation is proposed to enhance the range accuracy further .

两种染料Q开关红宝石激光器的测距精度比较

A comparison on the ranging accuracy between ruby lasers with two kinds of dye Q-switches

EDM导线放长后的测角和测距精度

Precision of Angle and Distance Measurement after Increasing Length of EDM traverse

电流互感器（TA）饱和会给基于工频电气量的输电线路故障测距精度带来很大的误差。

Current transformer TA saturation may cause great errors of fault location based on power frequency quantities .

竖基线视差法测量一般必须使用精密的经纬仪，例如J2级光学经纬仪，才能达到满意的测距精度。

The measurement of subtense method with vertical staff generally requires the use of precision theodolites such as J2 order optical theodolites .

提高FMCW雷达测距精度的谱最大值估值算法

Improving Range Precision of FMCW Radar Using Estimating Maximum Algorithm of Spectrum

该算法使用了TOA和RSS两种观测量来提高测距精度。

The information fusion algorithm uses both the TOA and RSS measurement data to improve the ranging accuracy .

单模VCSEL激光自混合测距精度的提高

Improvement of laser ranging precision using the self-mixing effect in a single-mode VCSEL

不同于GPS的是，对码环滤波器带来的滞后效应作了深入的分析，找到了规律，估计和补偿了滞后效应带来的误差，大幅度地提高了伪码测距精度。

After the analysis of the lag effect ′ s error of loop filter , the law is found and the error is estimated and compensated , thus to greatly improve the ranging precision .

EDM距离交会是利用EDM测距精度可靠、实测方便、效率高的特点而确定点位的一种方法。

EDM intersection is a method based on EDM 's reliable measuring accuracy , easy use and effective performance , which has been widely used in engineering project .

UWB信号具有信号带宽大、测距精度高的特点，但在节点定位应用中，UWB直达信号难以精确检测。

The UWB signal has large bandwidth and high distance-measuring accuracy . However , in the application of the node localization , it is difficult to detect direct-path UWB signal .

本文主要从影响局域差分GPS精度的空间相关性和时间相关性展开，对影响测距精度的误差源（对流层延迟、电离层延迟和卫星星历误差）进行了较深入地研究。

It is mainly discussed from the spatial correlation and temporal correlation which influence accuracy of local area differential GPS , the error sources ( troposphere delay , ionosphere delay , and orbit errors ) are studied thoroughly .

介绍了全球SLR资料快速分析处理的方法和定轨模型，并对各个SLR站的观测结果进行了评估，给出了各测站的距离偏差、时间偏差以及所能达到的测距精度。

An accurate analysis of observational precision and systematic error , range bias and time bias for each SLR station are also reported .

其测距精度可达0.05m。

The precision of range finder can achieves 0 . 05m .

通过在ATP-EMTP中建立单条输电线路的仿真模型，利用MATLAB的数据处理功能，对分布式定位系统进行了仿真实验，检验了各种故障情况下算法的测距精度。

The single-line simulation model was set up by ATP-EMTP , and the distributed fault location system was tested in simulation experiments with data processing function of MATLAB .

详细分析了MOLA系统中拟合误差对系统测距精度的影响。

The impaction of fitting-error on ranging precision of MOLA was analyzed .

实验及仿真结果表明，本算法可以提高测距精度，优于传统的RSSI三边定位算法。

Experiments and simulation results show that this algorithm can increase accuracy of distance estimation and has better performance than traditional RSSI trilateral algorithm .

大量的电势暂态程度（EMTP）仿真测试表明：该方法的故障测距精度高、综合性能好、适应性强。

Results from theory analysis and simulation by Electro magnetic Transient Program ( EMTP ) show that fault location precision of this method can completely satisfy practical requirements .

线性调频连续波（LFMCW）雷达在理论上有很高的测距精度，可用于对目标的距离跟踪。

The Linear Frequency Modulated Continuous Wave ( LFMCW ) Radar has high theoretical range precision and can be used for range tracking .

介绍了三毫米波段FMCW近程雷达作用距离的计算、雷达参数选择和测距精度的分析方法。

A3mm wave band FMCW short range radar was studied , including the calculation of its detecting range , the design of its parameters and the analysis of its ranging precision .

针对传统航天测控通信系统在测距精度、数据传输速率和抗干扰等方面的不足，将多载波码分多路存取（MCCDMA）应用于航天测控通信系统。

On the basis of shortcoming of traditional spaceflight telemetry , tracking and command systems in measure accuracy , data speed and resist interfere , multi carrier code division multiple access ( MC CDMA ) technology is applied to spaceflight in this paper .

文章首先分析了激光脉冲发射系统对测距精度的影响因素和对发射模块的要求后，系统采用专用集成MOSFET和电容的激光二极管和专用的驱动芯片产生高质量的激光脉冲作为测距信号。

Then the factors of accuracy and the requirements of the emission module are analyzed . A specific laser diode with integrated MOSFET and capacitor and a dedicated driver chip are used in the system to output high-quality laser pulse as the ranging signal .

在测量范围内可测障碍物的最小尺寸为5mm，测距精度的相对误差小于1%。

In the detecting range , the diameter of the smallest obstacle that can be detected is 5 millimeter . The relative error between the detecting value and the real distance is less than 1 % .

通过描述SPAD时间响应特性的两个参数，分析SPAD的该特性对卫星激光测距精度的影响，并探讨减小这些影响的方法。

Through describing two parameters in the time response property of SPAD , the influence of the SPAD property on the accuracy of satellite laser ranging is analyzed and the method for reducing the influence is studied .

首先，从超宽带特有的信号及信道传播特性入手分析了路径损耗、多径延时等对测距精度的影响，并为后续的TOA估计方法研究提供了数学模型。

Firstly , we introduce the characteristic of UWB signal and channel propagation model , and analyze the path loss , multipath delay and other effects on ranging accuracy which provide the mathematical model for the discussion of TOA estimation in the following chapters .

优化选择的腔面反射率为0.10～0.15，参考腔长为0.95mm，在1mm范围内系统可达到0.05μm的测距精度。

In authors ′ system , the optimal cavity reflectivity is in the range of 0.10 ~ 0.15 and the reference cavity length is about 0.95 mm , the accuracy of 0.05 μ m can be obtained in the range of 1 mm .

实现结果表明，采用相位法测距精度可以达到±（5mm+5×10-6D）。

The results of laser ranging realization show that adopting phase laser ranging can achieve the precision of ±( 5 mm 4 + 5 × 10-6D ) .

一种提高空间伪码扩谱测距精度的实用方案

A Practical Method to Improve Space Spread-spectrum PN Code Ranging Accuracy

大气介质对电磁波测距精度的影响

Effect of atmospheric medium on precise of electromagnetic wave distance measurement