为了提升前馈电路性能,在前馈电路中加入自适应控制,在自适应控制模块中采用自适应控制算法.自适应前馈电路引入了3种自适应算法:最速下降法、最小均方算法和递推最小二乘法.分析结果表明,最小均方算法和递推最小二乘法更适合用于前馈电路自适应控制中.%To improve the performance of feedforward circuit, it is necessary to add adaptive control to the circuit, a-daptive algorithms were adopted in adaptive control modules. A adaptive feedforward schematic was introduced. Three adaptive algorithms such as the deepest-descent algorithm, least mean square algorithm and recursive least square algorithm, were used for feedforward circuit operations. The result shows that least mean square algorithm and recursive least square algorithm are more suitable in the feedforward circuit.
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