range error

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

但是，该方法受测距误差的影响较大。

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

最后指出了系统测距误差的来源及补偿措施。

Use Frequency Character to Analyse Range Error of TTC Systems

TTC系统中测距误差的频率特性分析法

Range error usually affect the petal level mainly .

幅度误差通常主要影响副瓣电平。

A new method to predict tropospheric range error

预报对流层距离误差的新方法

Range Error Extraction Method for Stepped Frequency Radars

步进频雷达的距离误差提取方法

The effect of range error on imaging and interferometric processing is discussed quantificationally .

据此定量分析该斜距误差对成像和干涉处理的影响。

Forming Technology of Freeway Corrugated Sheet Steel and Control Measure of Connecting Hole Range Error

波形梁板成型工艺及连接孔距误差控制措施

Many published papers analysed range error by using group delay , it is not accurate enough .

以往的文献中，多用群时延来分析TT&C的测距误差，这种方法不够准确和全面。

Calibrated parameters include full range error , zero error and unlinear error .

检定参数包括满码误差、零位误差和非线性误差三部分，非线性误差可以不依赖专用的标准，足够准确地自校出来。

Simulation shows that the linear programming algorithm performs well in reducing range error and the improved one does better .

仿真表明，改进算法能够有效减少测距误差。

Estimation of range error in bistatic airborne sonar searching for submarines

双基地航空声呐搜潜距离误差估计

It gets range error and speed error by analyzing stored N - times sampling target echo waveform .

距离-速度二维波形分析数字动目标跟踪是通过高速采样存储N次雷达脉冲回波信号，在MTD处理（如FFT）后，分析回波波形信息获取目标的距离和速度误差而进行自动跟踪的。

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

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。

In an example , range error about ± 200 m could be corrected to about ± 10 m by using impulse force control at terminal trajectory .

对于算例中给定的±200m射程偏差，在弹道末段使用脉冲控制能将射程偏差修正至约±10m。

Besides , some new parameters for linear regression of tropospheric refraction are given , the improvement in prediction ef range error is distinct .

并从理论和实测上，讨论并验证了该法的精度。此外，还给出了统计回归折射误差的新参量并验证了它的有效性，特别是对距离误差的改进。

In wireless sensor network positioning mechanism , range error offen appear nonlinear and uncertainty . However Kernel Locality Preserving Localization algorithm can solve the problem well .

在无线传感网络定位机制中，测距误差通常表现为非线性和不确定性，使用核局部保持映射算法可以较好地解决这一问题。

Thirdly , the effect of the slant range error on the SAR image is analyzed and a new parameter estimation method is proposed for application to chirp-scaling algorithm .

其次分析了斜距的误差对成像结果的影响，提出了应用于Chirpscaling算法的新的参数估计方法。

The expression ( 12 ) can be considered as a simplified method for calculating range error and applied to measuring systems , such as GPS and satellite borne SAR .

NT预报公式可作为计算距离误差的简便而精确的公式，应用于GPS和星载SAR等测量系统。

The refraction effect on positioning of the over-the-horizon radar signal is analyzed . The charts of the refractive error ( elevation error and range error ) are also given .

主要分析对流层的折射效应对超视距雷达信号定位的影响，并且给出相应的折射误差图（仰角误差和距离误差）；

The experimental results show that the radar system has high data accuracy with range error less than ± 30 mm within the measurement scope , and has high scanning speed up to 1.2 s / frame .

实验结果表明，该雷达系统精度高，在量程范围内距离误差小于±30mm，扫描速度可达1.2s/帧数据。

The range error and drift error are calculated and analysed when the fitting is performed on different firing angle , so that a reasonable fitting region is chosen to decide the firing angle .

对在不同射角下符合时，由射表误差源造成的射程误差和偏流误差进行了计算与分析，论述了符合射角选择的合理区域。

Secondly , proceeding from the principle of GPS positioning , analysis position , velocity and time ( PVT ) solution process in-depth and carry out a model for pseudo range error correction and correct positioning errors .

其次，从GPS定位原理出发，对位置、速度和时间（PVT）解算过程进行了深入分析，提出了伪距误差修正模型，很好地修正了定位误差。

Simulation results show that the MDC has better performances on positioning precision and robustness to range error than the existing MDS-MAP and MDS-MAP ( P ), which can meet the requirements of applications about sensor localization in WSN .

仿真结果显示，MDC算法较已有的MDS-MAP和MDS-MAP（P）算法在定位精度和抗干扰能力方面都有更好的表现，能够适应无线传感器网络基于节点定位的应用需求。

Simulation results show the proposed guidance law is robust to deviations from reentry initial states and it can compensate the range error resulting from the perturbations of aerodynamic parameters and atmospheric density . So the landing point precision is guaranteed .

仿真结果表明，所设计的制导律对再入初始偏差具有较强的鲁棒性，同时它也能较好地补偿由于气动参数和大气密度摄动造成的航程误差，从而保证落点精度。

Assuming that the measured distances between neighbor sensors were available , quadrilateral method used the geometrical relationship of sensors to calculate the distance estimation between multi-hop sensors and then corrected the distance estimation through eliminating the interference of redundant solution and range error .

四边形距离校正法假定邻居节点间的实测距离已知，利用节点间的几何关系，求出多跳节点间的距离估计值，再通过排除冗余解和测距误差的干扰进行距离校正。

The range of error value is from 9.5 % to 3.5 % .

估算值的最大偏差为9.5%和3.5%。

The estimation value and literature one are identical within the range of error .

在误差范围内，估算值与文献值相符.作者还估算了文献上未发表过的两个数据：双自由基（？）

It can switch between fuzzy control and PID control according to the range of error automatically .

该控制器可根据给定的偏差范围自动实现PID控制与模糊控制的切换。

The Selection of Ohmmeter Survey Range and error Characteristic

欧姆表测量区间的选择与误差特性