The Global Positioning System (GPS) is a navigation system based on satellite technology.
Its fundamental technique involves measuring the ranges between the receiver and a few …

近十年来, 中国学者建立了一种用于动态导航定位的新自适应抗差滤波理论,
该理论应用抗差估计原理抵制观测异常误差的影响, 构造自适应因子控制动力学模型误差的影响 …

In order to estimate the satellite clock offset in a real-time mode, a new algorithm of
adaptively robust Kalman filter with classified adaptive factors for clock offset estimation is …

An adaptively robust filter with multi adaptive factors is proposed, based on the principles of
adaptive Kalman filter and bifactor robust estimation for correlated observations. The …

常规最小二乘钟差模型不具有抵御粗差和钟跳的能力, 容易受异常扰动而引起结果失真,
从而直接影响导航定位精度. 鉴于此, 本文提出一种新的钟差算法——开窗分类因子抗差自适应 …

大地测量参数估计原理是大地测量数据处理的重要基础. 中国学者经过60 年不懈努力,
在自由网平差, 拟稳平差, 半参数估计, 不适定问题解算方法, 抗差估计, 自适应滤波等领域做出了 …

A new adaptively robust Kalman filtering was developed in 2001. The main achievements of
the adaptively robust filter are summarized from the published papers in recent years. These …

Two kinds of fading filters and their principles are introduced. An adaptive robust filter is
given with corresponding principle. The basic abilities of the fading filters and adaptively …

In kinematic navigation and positioning, abnormal observations and kinematic model
disturbances are one of the key factors affecting the stability and reliability of positioning …

The abnormal frequencies of an atomic clock mainly include frequency jump and frequency
drift jump. Atomic clock frequency anomaly detection is a key technique in time-keeping. The …