A simple formula of unit noise gain is derived for suboptimal second-order state-space digital filter with error feedback.
本文导出误差反馈次最优二阶状态空间数字滤波器单位噪声增益的计算公式。
2
The fading factor restricts the length of the data which processed by the Kalman filter. And we use"one step"approximation algorithm to calculate the suboptimal fading factor.