Based on real-time estimation of noise matrix and grey clustering of state variable, filter or gain matrix is modulated so as to get an estimation of the state vector.
实时估计出系统噪声方差矩阵和量测噪声方差矩阵，对状态变量进行灰色聚类，并对滤波矩阵和增益矩阵进行实时自适应调整，计算出状态向量的递推估计值。
This article describes a new method of changing the variable of state active RC filter to current-mode filter base on the third-generation current conveyor.
提出了由电压模式有源RC滤波器导出基于第三代电流传输器的电流模式滤波器的方法。
The rotor speed can be tacken as a state variable of the system by using the Extended Kalman Filter, which based on the vector control of an asynchronous motor.
在异步电机控制基础上 ，利用扩展卡尔曼滤波器将转子转速看成系统的一个状态量 ，根据定子侧可以测量的电流、电压值 ，逐步估计出转子转速 ，为研制无速度传感器控制打下基础。
The rotor speed can be tacken as a state variable of the system by using the Extended Kalman Filter, which based on the vector control of an asynchronous motor.
在异步电机控制基础上 ，利用扩展卡尔曼滤波器将转子转速看成系统的一个状态量 ，根据定子侧可以测量的电流、电压值 ，逐步估计出转子转速 ，为研制无速度传感器控制打下基础。
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