The direct form for the recursive least squares estimation via matrix QR decomposition with one step data updated is given .
给出了当数据一步更新时,利用矩阵QR分解进行最小二乘估计的直接递推形式。
2
A multilevel direct PWM control strategy based on reference voltage decomposition suitable for digital implementation was employed.
PW M控制采用基于参考电压分解的多电平直接PWM算法,数字化实现容易。
3
This article USES the direct double decomposition method to synthesis zinc gluconate, through adding ethyl alcohol to reduce its watery solution solubility and to obtain its crystal.