| 1. | A method of calculating the location error of crankshaft 曲轴定位误差的简易计算 |
| 2. | ( 2 ) worse non - linear cost function is existed , so the location error is big ( 2 )算法中存在严重的非线性代价函数,定位精度不高。 |
| 3. | Using the error analysis theory , location error accumulating is analyzed and the lms arithmetic to reduce the location error of the move - in - mud robot is put forward 运用误差分析理论对拱泥机器人定位误差累积进行了分析,提出了利用lms算法减小拱泥机器人的定位误差。 |
| 4. | In chapter 3 , the algorithms and the accuracy of the location and tracking system using tdoa or doa observations with multi - observers are studied and several factors which cause the location error are discussed 第三章分析了多机时差系统和多机测向交叉系统的定位算法及定位精度,并对影响定位精度的多种因素进行了详细的讨论。 |
| 5. | How to reduce the influences of the location error of seismic station network and some other factors on the deviation of macroseismic and seismic epicentre , in this rapid service system of earthquake loss estimation , is the important condition of increasing the rationality of loss estimation results 在震害预测快速服务平台中,如何减少由于地震台网定位误差以及其它一些因素所造成实际的宏观震中与定位震中偏离的影响,是提高震害快速估计结果合理性的重要条件。 |
| 6. | The simulation results show : if there are three base stations , the performance of those los algorithms is similar . but the location error of the nlos situation is bigger than the los situation ’ s . therefore , new algorithm on the nlos situation is necessary to be developed 仿真结果表明:在三基站参与定位的情况下, 5种直达波定位算法性能相当,但其非直达波环境下的定位精度差于直达波环境下的定位精度,因此有必要提出新的算法提高非直达波环境下的定位精度。 |
| 7. | The main tasks of this thesis are : discussing the dead - reckoning theory of doppler velocity log and compass , decreasing location error methods , emulating several ship tracks ; discussing several aspects influencing the velocity precision of doppler velocity log ; in a pool trial , processing the trial data and achieving some conclusions 本论文主要研究工作包括:对罗经和多普勒计程仪推算辅助导航系统的工作原理,及减小定位误差的两种方法和几种轨迹进行了研究;对影响多普勒计程仪测速误差的各个方面进行了综述;最后对多普勒计程仪水池试验的数据进行了处理,得出所要结论。 |
| 8. | This algorithm adopts peak error or maximum amplitude error criterion to control the level of distortion in pipeline leak signals , and doesn ’ t change the subsequent location error of adaptive time - delay estimation in the case of a small quantization error , so as to implement the near - lossless compression of pipeline leak signals 该近无损压缩算法设计了基于峰值误差准则的量化方案对管道泄漏信号的失真度进行控制,在量化误差较小时并不影响后续自适应时延估计的定位误差,从而实现对管道泄漏信号的近似无损压缩。 |
| 9. | The precision of the non - contact testing of flywheel gear ' s contour and location error of light electricity inspection machine based on virtual instrument has been carried on theory analysis in this paper . various contour and location tolerances of the part have been distributed depending on the result of the analysis , and the data handling method of measurement has been studied to find a data handling method of getting rid of the system error under one kind of condition of the big sample space 本文对飞轮齿圈形位误差光电检验机的精度进行了理论分析,依据分析的结果分配了零件的各种形位公差,并对测量结果的数据处理方法进行了研究,找到了一种在大样本空间的条件下依概率排除系统误差的数据处理方法,同时为了验证其可靠度对其进行了计算机仿真实验。 |
| 10. | Aiming at the enhanced positioning accuracy of wireless sensor network node location , an improved positioning algorithm which uses a differential error correction scheme that is designed to reduce cumulative distance error and node location error accumulated over the multiple hops is proposed in this paper , together with its basic principle and realization issues 摘要本文针对无线传感器网络节点的定位精度问题,提出了一种采用误差修正的方法来降低累积距离误差和定位误差的传感器网络节点定位改进算法,给出了该算法的基本原理与实现方法。 |