commercial data processing meaning in Chinese
商和数据处理
商用数据处理
Examples
- By the simulation , it is indicated that the curve motion model based on the particle can describe the curve motion of the target . and it is shown that the performance of the ukf algorithm is more precise than the tradition nonlinear filtering technique . by the contrast between the simulation results and the positioning result of commercial data process software ,
仿真结果表明,基于质点的曲线运动模型可较准确地描述进行曲线运动的载体; ukf算法作为卫星导航系统的非线性滤波技术,较之传统的线性滤波技术可获得较高的定位精度;其定位结果与商业数据处理软件相比,可满足定位精度要求,该算法可以直接应用于卫星导航系统的软件实现。 - Thirdly , an ideal satellite orbit is simulated , and on this foundation , we establish some typical simulation and testing circumstances . lastly , after simulation in the simulation and testing circumstances , we compare the performance of ukf and ekf . and then , based on the outdoor experiment of the vehicle , an analysis and contrast between our simulation results and commercial data process software is carried out , and the conclusion is obtained
首先在第三章提出的目标运动模型的基础上建立了系统状态方程;其次简要分析了卫星导航系统中的各类误差,建立了基于伪距观测量的系统观测模型;第四节利用yuma格式历书数据模拟了未受摄动影响的卫星轨道,并在此基础上建立了几种典型的动态仿真测试环境;第五节为仿真分析和比较,先对ukf算法和ekf算法在动态仿真测试环境中进行了仿真比较,然后针对外场试验,对非线性滤波获得的定位结果与商业软件进行了分析比较,并得出结论。