While only continuous signals are utilized in traditional system states estimation approach, information contained in discrete measurements is ignored.
传统的系统状态估计方法只用到连续信号，而离散测量信号所包含的信息没有得到利用。
By using the forming filter and EKF, the precision of states estimation is increased and a effective estimation of stochastic sea interference is performed.
通过引入成型滤波器，采用EKF，提高了状态估计的精度，实现对随机海浪扰动力和力矩的估计。
The orbit states estimation is achieved through the extended Kalman filters design. The simulation results verify the validity of this navigation method, and show preferable navigation accuracy.
设计扩展卡尔曼滤波器进行卫星编队轨道状态估计，数学仿真结果验证了这种导航方案和算法的有效性。
The off-line scheme aims primarily at identifying filtering parameters, and the postmortem estimation of states can be obtained more accurately while.
离线方案以辨识滤波参数为主要目的，进而可以对状态进行较准确的事后估计；
The on-line scheme aims at real-time estimation of the states.
在线方案以实时地对状态进行估计为目的。
Meanwhile, as some states can not be estimated or have poor estimation, the simplified state equation employed in the alignment process will cause model parameter uncertainty.
同时，由于一些状态不可估计或估计效果很差，采用简化状态方程进行对准，存在着模型参数不确定性。
Its track fusion process includes states and attributes estimation of low levels, it also includes battlefields situation and threaten evaluation of high levels.
其航迹融合过程包括低层次上的状态和属性估计及高层次上的战场态势和威胁评估。
This algorithm makes use of the pseudo measurements to change the nonlinear measurement equation to pseudo linear one, realizing the real-time estimation of target states.
该算法利用伪测量值，将非线性测量方程变为线性伪测量方程，实现对目标状态的实时估计。
A high gain observer is employed to obtain the estimation of states and then output feedback controller is constructed.
估计状态通过引入高增益观测器得到，实现了系统的输出反馈控制。
Estimation of unknown noise statistics quantity and estimation of signal states are alternatively done, this method is applied to GPS positioning, Computer simulation shows the approach is efficient.
将未知噪声统计量的估计与信号状态估计交替进行的算法引入G P S定位，计算机模拟结果表明效果很好。
The three basic problems of two-dimensional (2-d) hidden Markov models (HMMs) are studied, including probability evaluation, optimal states and parameter estimation.
研究了2维隐马尔可夫模型的三个基本问题，包括概率评估问题、最优状态问题和参数估计问题。
Further studies show that the MTVSG is robust to the estimation errors of the system states.
进一步的研究表明，MTVSG对系统状态估计误差有很强的鲁棒性。
Their precision and computational burdens are compared. They can be applied into optimal information fusion estimation for the states or signals.
文中比较了三种融合估计的精度和计算负担，可应用于信息融合状态或信号最优估计。
The PI observer has two feedback loops, a proportional loop and an integral loop of the estimation error; in this way, the PI observer can estimate not only the states but also the unknown inputs.
该观测器包含有估计误差的比例和积分回路，可同时得到状态和未知输入估计。
Obviously, there exists remarkable difference between China and the United States in their estimation of bilateral trade balance situation (see Table 1).
显然，中美两国关于双边贸易平衡状况的统计存在着明显的差异（见表一）。
Obviously, there exists remarkable difference between China and the United States in their estimation of bilateral trade balance situation (see Table 1).
显然，中美两国关于双边贸易平衡状况的统计存在着明显的差异（见表一）。
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