| 1. | In practice , abaas can accept data from ais device and calculate the navigation parameter
卜’久以的过八h 。 ，本系统汹过仪拟按收ais伯。 |
| 2. | Three group experiments are conducted under the different conditions , and the results validate the analysis about getting navigation parameters directly
针对不同情况做了三组实验，结果肯定了本文中分析的正确性。 |
| 3. | The results of simulation indicate that the sins / od can effectively eliminate the following errors of navigation parameters , attitude , velocity , latitude and longitude etc
仿真结果表明该组合导航系统可有效地减小姿态、速度、经度和纬度等导航参数的误差累积。 |
| 4. | The results of simulation given in this paper indicate that the sins / dtu can effectively improve on the following navigation parameters : velocity , latitude and longitude , yawing and attitude angle , position of track - reckoning etc
仿真结果表明，该组合导航系统可有效地减小速率、经度和纬度、航向角和姿态角及航迹推算下的位置等导航参数的累积误差。 |
| 5. | Generally , traditional hough transformation is used to detect the line or some special curves in the image space , and navigation parameters can only be obtained indirectly by finding the corresponding position in the navigation coordinate through the anti - perspective matrix
传统的hough变换是在图像空间中检测直线或某种特定的曲线，然后在把直线通过透视投影关系矩阵映射到导航坐标系中间接地得出所需的导航参数。 |
| 6. | The motion law of the perspective projection of a line on the ground in the image space is analyzed , and the navigation parameters are gotten directly by transforming the line in the image space into navigation parameters space according to the principle of hough transformation
本文中分析了直线路径在图像空间中投影的运动规律，研究了如何利用hough变换把图像空间中的线映射成导航参数空间中的点，直接获取所需导航参数的方法。 |
| 7. | First this thesis discusses the development of the virtual instrument , and the method of developing the real time software ; then designs a interrupted virtual driver , deduces and programs the realtime arithmetic of wanderazimuth strapdown inertial navigation , develops strapdown inertial navigation realtime software based virtual instrument with object - oriented programming language . the software is able to display multi navigation parameter and is able to be added the extensible function
论文讨论了虚拟仪器技术的发展与现状，研究了windows98平台下实时性软件的设计方法，设计了基于硬件的中断虚拟驱动程序，推导和编程实现了游移方位坐标系捷联式惯性导航系统计算机实时导航算法，利用面向对象的可视化开发语言开发出基于虚拟仪器的捷联式惯性导航实时软件。该软件能够显示多个惯性导航参数，具有故障报警显示功能，根据需要可以增加新的显示功能。 |
| 8. | The details are as followings : the most usual problems related to navigation data fusion are studied ( the local navigation sensors export directly navigation parameters and their accuracies without feedbacks and cross data communications ) ; a novel conservative optimal fusion method of non - feedback multi - source correlated estimators is presented , and this method is extended to the case of more than two data sources ; some new theorems are supplied or proved so that our methods are naturally connected to the achievements up to present , and the integrated theory basis of non - feedback multi - source correlated estimators fusion is founded
具体内容如下：研究了最一般的导航数据融合问题(局部导航仪直接输出导航参数及精度，且无反馈、无局部导航仪之间的交叉数据通讯) ；提出了一种新的无反馈多源相关估计向量的保守最优融合算法，并将该算法由两个数据源推广到了多个数据源；补充证明了一系列定理，从而将本文方法和前人研究成果有机地融为一体，建立了完整的无反馈多源相关估计向量融合的理论体系。 |
