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一种可变阶次模拟分抗电路的实现方案 被引量:3

One Method to Realize Alterable Order Analog Fractance Circuits
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摘要 在分数阶微积分的工程应用中,一个最重要的步骤是模拟分抗电路的实现,为此采用跨导运算放大器设计了可变阶次分抗电路,并利用有限数量的二端口网络级连,能够在电路设计形式固定的情况下,通过调节跨导运算放大器的控制电流,在一定的范围内改变分抗的运算阶数。模拟结果与理论分析结果相一致,证明该设计方案对于分数阶微积分的实际应用有着一定的工程意义。 The realization of analog circuit of fractance is most important for the fractional calculus application. An approach to design alterable order fractance using Operational Transconductance Amplifiers (OTA) by cascading finite two-port circuit network was presented. The fractance order can be changed by adjusting the controlling current of OTA without changing the circuit structure. The simulations are in agreement with the theoretical values.
出处 《四川大学学报(工程科学版)》 EI CAS CSCD 北大核心 2007年第3期141-144,共4页 Journal of Sichuan University (Engineering Science Edition)
基金 国家自然科学基金资助项目(60572033) 教育部博士点基金资助项目(20060610021)
关键词 分数阶微积分 分抗 分数运算 跨导运算放大器 函数逼近 fractional calculus fractance fractional operator Operational Transconductance Amplifier (OTA) function approximation
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参考文献12

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共引文献58

同被引文献13

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