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高动态
相关语句
  high dynamic
    GPS SIGNAL PARAMETERS ESTIMATION ALGORITHM BASED ON DATA TRANSITION DETECTION IN HIGH DYNAMIC CIRCUMSTANCES
    一种基于数据跳变检测的高动态环境GPS信号参数估计方法
短句来源
    The Influence of Vehicle Attitude on the Signal Transmitted by High Dynamic GPS Signal Simulator
    飞行器姿态对高动态GPS卫星信号模拟器输出信号的影响
短句来源
    Channel Design of A High Dynamic Multi-goal Positioning System
    一种高动态多目标定位系统的信道设计
短句来源
    Research on Attitude Algorithm of Strapdown Inertial Navigation System under the Condition of High Dynamic Motion
    高动态环境下的捷联惯导系统姿态算法的研究
短句来源
    Research on Intelligent High Dynamic Multi-targets Signal Simulator
    高动态多目标智能信号源研制
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  high dynamic carrier
    In this paper,the principle of determining attitude of high dynamic carrier with GPS carrier-wave phase measurement,and its pivotal correlation technology has been deeply studied . In order to achieve the aim of synchronism ,a method of realizing the speedy determining attitude with space geometry restrain has been presented.
    本文针对高动态飞行器的姿态测量中,采用 G P S载波相位测量来确定姿态的原理,以及相关关键技术问题作了深入研究,提出了利用空间几何约束原理来实现高动态飞行器等载体的姿态快速测量,从而达到实时定姿的目的。
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    Then, the strapdown algorithm using for positioning in low dynamic vehicle or in short time moving vehicle has been given, and the error equations have been deduced. The positioning error has been simulated under several given conditions, whereafter the results of simulation have been compared. This work has laid the foundation for the engineering application of SINS/GPS combination system.
    从SINS/GPS(StrapdownInertialNavigationSystem/GlobalPositionSystem)组合系统算法设计的总体方案入手,给出了低动态载体定位或高动态载体短时定位用的一种捷联解算算法,推导了SINS/GPS组合算法采用的惯性测量误差方程,结合某载体运动参数,对几种情况下的SINS/GPS组合定位误差进行了仿真,并对仿真结果进行了比较,为工程应用奠定了基础。
短句来源
    In this dissertation, the Fault Detection and Diagnosis(FDD) methods of navigation systems and the error compensation technique of noncommutativity errors, i.e., coning and sculling errors for Strapdown Inetial Navigation System (SINS) under the high frequency movement are researched.
    本论文的研究旨在追踪国际国内前沿,重点研究导航系统故障检测与诊断方法以及高动态环境下捷联惯性导航系统(SINS)的不可交换误差——圆锥误差和划船误差的补偿技术。
短句来源
    In this thesis, considering engineering application demands, analysis and research work are taken aimed to several key points of GPS applications on board of re-entry spacecrafts . Moreover , the results of this thesis are simulated and validated via advanede simulation and modeling platform.
    本文以工程应用需求为背景,针对再入航天飞行器高动态飞行环境,对GPS应用的几点关键问题进行了分析和研究,并且利用仿真建模平台对研究结果进行仿真验证。
短句来源
    Then, GPS error sources and their influences on positioning accuracy are analyzied. Moreover ,we simulated the GDOP changes along the whole trajectory to decide the best poiont for GPS receiver to start working.
    本文分析了高动态情况下GPS误差源对定位精度的影响,并且对全弹道GDOP进行仿真,以此说明接收机最佳工作时段的选择。
短句来源
    2. This algorithm will bring to some unknown error in high-motion environment, and then let our key point to the attitude update algorithm. Comparing the algorithm precision with in quaternion and normal coning compensate and recursive coning compensate.
    2.针对高动态环境下四元数姿态算法所产生的不可交换误差,重点分析了基于旋转矢量的姿态更新算法,比较了四元数法、常规圆锥补偿算法、圆锥项递推补偿算法的算法精度。
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  high dynamic
It is shown that the suggested adaptive system of estimating the torsion angle of the shaft ensures a high dynamic accuracy in the stationary and nonstationary modes of operation of the engine.
      
An Effective Tone Mapping Operator for High Dynamic Range Images
      
Simulation of natural daylight illumination determined by a high dynamic range image
      
The use of high dynamic range images as a source of the natural daylight illumination and a background for virtual scenes containing objects with complex optic properties (fabrics, automobile multilayer paints, etc.) is considered.
      
An analysis of the correctness of the available high dynamic range images is performed, and their drawbacks are discussed.
      
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In this paper, the U-D covariance factorization filter, which has excellent numerical characteristics and needs less computation is used, first, the model of dynamic user is established. Then, the pseuclorange observation equation is deduced. When the airplane trace is given, digital simulation analysis of th system is clone. The results indicate that the proposed method in this paper is efficient.

本文将数值稳定性好、计算量小的序列U-D分解滤波算法应用到状态方程为线性、观测方程为非线性的GPS动态用户导航系统中。文中建立了高动态用户数学模型,推导了以伪距为观测量的系统测量方程。在给定飞机航迹的情况下,对系统进行了数字仿真。仿真结果表明,U-D分解滤波算法能更有效地适合动态用户GPS导航系统。

The importance of getting high tracking accuracy in the servo-control antenna system is briefly described in this paper. The application of Kalman filtering theory to producing feed-forward signals in the case of tracking high speed object is discovered to advance techinical method of tracking accuracy. No suitable mathematical model for the telemetry servo-tracking system without distance signals is discussed in unclassified articles. A full new filtering model is provided and is used to actual system. Flight...

The importance of getting high tracking accuracy in the servo-control antenna system is briefly described in this paper. The application of Kalman filtering theory to producing feed-forward signals in the case of tracking high speed object is discovered to advance techinical method of tracking accuracy. No suitable mathematical model for the telemetry servo-tracking system without distance signals is discussed in unclassified articles. A full new filtering model is provided and is used to actual system. Flight check tests show that the design requirements are met, contradiction of tracking accuracy with stability is resolved and difficulty of memory self-tracking in blackout area is also overcome.

本文简述了提高天线跟踪伺服系统精度的重要性,探讨了在跟踪高动态目标时,如何利用Kalman滤波理论产生前馈信号,以提高跟踪精度的技术途径。由于遥测伺服跟踪系统无距离信号,目前国内外公开资料中还无一数学模型适用于此类系统。本文提出了一个全新的滤波模型并应用于实际系统中,经校飞试验证明达到了设计要求,解决了跟踪精度同稳定性的矛盾、黑障区记忆自跟踪等难以解决的问题。

One method of making the low dynamic GPS receiver adapt to Vehicle's high dynamic environment and providing the vehicle's accurate position data through the velocity aiding information provided by INS during vehicle flying are discussed, and the results of ground dynamic simulation test carried out with the GPS satellite signal simulator are given.

论述了一种在载体飞行过程中利用惯导系统(INS)提供速度辅助信息,使低动态民用全球定位系统(GPS)接收机适应飞行器的高动态环境、对载体进行精确定位的一种方法,并给出了利用GPS卫星信号模拟器进行地面动态仿真试验的结果。

 
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