• Therefore, the scheme can supply necessary prior data for the study of high dynamic GPS carrier tracking techniques.

    因此方法可以动态GPS载波跟踪技术研究提供必要先验数据

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  • Filtering algorithm is a key technology of high dynamic GPS receiver, which has been influenced on the positioning accuracy directly.

    GPS定位滤波算法动态gps接收机关键技术之一,定位精度直接影响

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  • The mathematic model of high-dynamic GPS signal was derived, and it was suggested to add two parameters to emulate high-dynamic effects.

    推导多路高动态GPS信号数学模型提出信号状态计算中增加两个参数反映高动态的影响;

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  • Firstly, a DDS-based method for digital-domain synthesis of time-varying Doppler frequency in dynamic GPS signal is proposed in this dissertation.

    论文首先基于直接数字频率合成技术提出了一种能够数字域内直接合成出动态信号时变多普勒频率信号合成方法

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  • Rapidly dynamic GPS receiver needs a high-performance microprocessor because of continues tracks of several channels and then great real-time operation.

    在高动态gps接收机中,由于通道连续跟踪实时数据运算处理量因此对微处理器性能要求较高。

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  • It contains four chapters: in the first chapter, the background and significance of developing the high dynamic GPS satellite signal simulator are presented.

    本文第一主要介绍了开发动态gps卫星信号模拟源的背景意义

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  • This paper designs and implements key technology of high dynamic GPS/BD-2 receiver and the verification platform, with main researches on PLL and rapid acquisition.

    本文研究动态GPSBD-2软件接收机关键技术设计实现了验证平台其中研究的重点是相环快速捕获方法。

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  • The GPS dynamic monitoring scheme, data analysis technique and analysis results are given in this paper.

    文中给出GPS动态监测方案数据分析方法结果

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  • One of the difficulties of designing GPS receiver working under high dynamic circumstance is to fast acquire the satellite PN code.

    设计动态环境下工作GPS接收机难点之一在于对卫星码的快速捕获

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  • This paper defines deflection ratio and designs fair queueing algorithm CFQ basing on dynamic adjustment of weight and having compensation from the method of simulating normalized service of GPS.

    本文通过定义偏差模拟GPS规范化服务量角度来设计了基于权值动态调整具有补偿公平调度算法CFQ

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  • There is great Doppler frequency shift under high dynamic circumstances, thus the common GPS receiver cannot work reliably without the help of inertial navigation devices.

    动态环境存在较大的多普勒,这使得普通GPS接收机在没有导辅助的情况很难可靠工作

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  • This paper analyzes the components and features of GPS, discusses differential dynamic positioning technology with GPS in real time and its error sources.

    分析了全球定位系统GPS组成功能探讨了GPS实时差分动态定位技术及其误差来源

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  • The GPS observation shows that the relative motions between the blocks in North China have dynamic variation.

    GPS观测结果显示: 华北地区块体相对运动存在动态变化。

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  • Multipath error is a main influence on high-precision GPS dynamic deformation monitoring results as it is difficult to be mitigated by difference observation in most of applications.

    多路径误差绝大部分应用测站间相关性弱,不能通过差分观测得到有效削弱,成为高精度GPS动态变形监测中的主要误差源。

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  • Discusses the basic theory of PN code parallel fast acquisition of high dynamic in GPS, the method of confirming the auto adaptive threshold and some important problems in acquisition process.

    讨论了动态GPS伪随机并行搜索基本原理,以及适应门限确定方法搜索过程注意问题

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  • High dynamic environment may cause a large Doppler shift, thus the general GPS receiver is difficult to work reliably without outside assistance.

    动态环境造成较大多普勒频移,这使得一般GPS接收机没有外界辅助的情况下难以可靠工作

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  • This paper mainly tells about the GPS dynamic positioning technique on weapon.

    论文主要阐述了弹GPS动态定位技术方面的相关方面。

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  • GPS carrier phase measurement scheme adapted to high dynamic circumstance is presented.

    提出了一种适合GPS系统动态环境载波相位测量方案

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  • This paper presents a novel scheme of fully integrated GPS/INS navigation system being considered for a variety of high dynamic vehicle applications in severe jamming environments.

    本文提出和研究了一种新的深组合GPSINS系统设计方法,它适用干扰环境中的各类动态载体

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  • The quality of GPS data pre-processing is the key to improve GPS positioning precision in either GPS static positioning or dynamic POD.

    GPS静态定位动态中,GPS数据预处理质量好坏都直接影响着GPS定位精度

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  • A dynamic positioning method integrating GPS positioning and velocity is introduced.

    提出了一种利用GPS定位测速相结合动态定位方法

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  • To design the GPS receiver working in high dynamic circumstance, the first problem to be settled is how to catch the PN code of the satellite.

    设计动态环境下工作GPS接收机难点之一便在于卫星快速捕获

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  • This paper introduces the working principle of GPS measurement system of RTK in the real-time and dynamic state and its application in survey of the control cross section of Jingjiang.

    本文介绍RTK实时动态gps测量系统工作原理及其荆江河断面测量中的应用情况。

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  • This paper briefly introduces the application of 3s (GIS, RS and GPS) technologies in the dynamic monitoring of soil erosion in the source area of the Danjiangkon reservoir.

    主要介绍3s技术丹江口水库水源区水土流失动态监测项目中的应用

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  • GPS locates positions quickly, RS finds the dynamic change areas, then the data of RS and GPS are organized by GIS.

    依靠GPS对空间数据快速定位,RS数据发现土地动态变化区域,再利用GIS平台进行空间数据组织、管理、分析可视化。

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  • The static and dynamic tests of single GPS navigation are taken here.

    GPS单独导航进行静态动态试验

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  • Taking Guangzhou New TV tower as the research background, an industrial digital camera GPS and accelerometers were used to monitor the dynamic characteristics of the tower.

    主结构建成后的广州电视塔研究背景利用工业数码摄像机其在一般风荷载作用下的动态特性进行监测试验,并GPS加速度计同时测量。

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  • GPS signal acquisition time is a key factor in GPS receiver performance, especially in the high dynamic, real-time applications or in capturing weak GPS signal areas.

    GPS信号捕获时间影响GPS接收机性能一个关键因素尤其是动态实时性要求高应用中或者gps信号的捕获方面。

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  • Based on GPS technology, this paper studies the dynamic characteristic under ambient excitation of major blocks of Chongqing University and analyze excitation data and verifies the excitation scheme.

    结合重庆大学教学楼工程实例GPS技术环境激励动态特性进行监测,对监测数据进行了分析,对监测方案进行了验证。

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  • Based on GPS technology, this paper studies the dynamic characteristic under ambient excitation of major blocks of Chongqing University and analyze excitation data and verifies the excitation scheme.

    结合重庆大学教学楼工程实例GPS技术环境激励动态特性进行监测,对监测数据进行了分析,对监测方案进行了验证。

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