Therefore, the scheme can supply necessary prior data for the study of high dynamic GPS carrier tracking techniques.
因此,该方法可以为高动态GPS载波跟踪技术的研究提供必要的先验数据。
Filtering algorithm is a key technology of high dynamic GPS receiver, which has been influenced on the positioning accuracy directly.
GPS定位滤波算法是高动态gps接收机的关键技术之一,对定位精度有直接影响。
The mathematic model of high-dynamic GPS signal was derived, and it was suggested to add two parameters to emulate high-dynamic effects.
推导了多路高动态GPS信号的数学模型,并提出在信号状态计算中增加两个参数以反映高动态的影响;
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在数字域内直接合成出动态信号中时变多普勒频率的信号合成方法。
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,由于要对多通道连续跟踪,实时数据运算处理量大,因此对微处理器的性能要求较高。
It contains four chapters: in the first chapter, the background and significance of developing the high dynamic GPS satellite signal simulator are presented.
本文共四章:第一章主要介绍了开发高动态gps卫星信号模拟源的背景和意义。
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.
本文研究了高动态GPS/BD-2软件接收机关键技术并设计实现了其验证平台,其中研究的重点是锁相环及快速捕获方法。
The GPS dynamic monitoring scheme, data analysis technique and analysis results are given in this paper.
文中给出了GPS动态监测方案、数据分析方法及结果。
One of the difficulties of designing GPS receiver working under high dynamic circumstance is to fast acquire the satellite PN code.
设计在高动态环境下工作的GPS接收机,其难点之一在于对卫星伪码的快速捕获。
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.
本文通过定义偏差率从模拟GPS的规范化服务量角度来设计了基于权值动态调整的具有补偿的公平调度算法CFQ。
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.
高动态环境存在较大的多普勒频移,这使得普通的GPS接收机在没有惯导辅助的情况下很难可靠工作。
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的组成及功能,探讨了GPS实时差分动态定位技术及其误差来源。
The GPS observation shows that the relative motions between the blocks in North China have dynamic variation.
GPS观测结果显示: 华北地区各块体间的相对运动存在动态变化。
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.
多路径误差在绝大部分应用中,其测站间相关性很弱,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。
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.
讨论了高动态下GPS伪随机码并行搜索的基本原理,以及自适应门限确定方法与搜索过程中应注意的问题。
High dynamic environment may cause a large Doppler shift, thus the general GPS receiver is difficult to work reliably without outside assistance.
高动态环境会造成较大的多普勒频移,这使得一般的GPS接收机在没有外界辅助的情况下难以可靠工作。
This paper mainly tells about the GPS dynamic positioning technique on weapon.
本论文主要阐述了弹载GPS动态定位技术方面的相关方面。
GPS carrier phase measurement scheme adapted to high dynamic circumstance is presented.
提出了一种适合GPS系统的高动态环境载波相位测量方案。
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GPS/INS系统设计方法,它适用于干扰环境中的各类高动态载体。
The quality of GPS data pre-processing is the key to improve GPS positioning precision in either GPS static positioning or dynamic POD.
在GPS静态定位和动态定轨中,GPS数据预处理质量的好坏都直接影响着GPS定位精度。
A dynamic positioning method integrating GPS positioning and velocity is introduced.
提出了一种利用GPS定位与测速相结合的动态定位方法。
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.
设计在高动态环境下工作的GPS接收机,其难点之一便在于对卫星伪码的快速捕获。
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.
本文介绍了RTK实时动态gps测量系统的工作原理及其在荆江河控断面测量中的应用情况。
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.
主要介绍了3s技术在丹江口水库水源区水土流失动态监测项目中的应用。
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、分析与可视化。
The static and dynamic tests of single GPS navigation are taken here.
对GPS单独导航进行了静态、动态试验。
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.
以主结构建成后的广州新电视塔为研究背景,利用工业数码摄像机对其在一般风荷载作用下的动态特性进行监测试验,并与GPS和加速度计同时测量。
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信号捕获时间是影响GPS接收机性能的一个关键因素,尤其是在高动态和实时性要求高的应用中或者对弱gps信号的捕获方面。
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.
结合重庆大学主教学楼工程实例,对GPS技术在环境激励下的动态特性进行监测,并对监测数据进行了分析,对监测方案进行了验证。
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.
结合重庆大学主教学楼工程实例,对GPS技术在环境激励下的动态特性进行监测,并对监测数据进行了分析,对监测方案进行了验证。
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