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View article: Estimation in Semi-Varying Coefficient Heteroscedastic Instrumental Variable Models with Missing Responses
Estimation in Semi-Varying Coefficient Heteroscedastic Instrumental Variable Models with Missing Responses Open
This paper studies the estimation problem for semi-varying coefficient heteroscedastic instrumental variable models with missing responses. First, we propose the adjusted estimators for unknown parameters and smooth functional coefficients…
View article: Design of the Second-Order Voltage-Controlled Multifunctional Filter
Design of the Second-Order Voltage-Controlled Multifunctional Filter Open
This paper proposes a method that analog multiplier and current feedback operational amplifier have been used to form second-order voltage-controlled multifunctional filter.The designed circuit has been achieved theoretical analysis, PSPIC…