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A Shock position control law of a ramjet engine with variable nozzle throat is proposed. To address the nonlinearity of engine internal nature, an engine model structure which defines sequentially propagated internal flows from inlet to nozzle throat is used such that the effectiveness of nozzle throat variance to intake shock position is mechanized. The specified engine model with equilibrium manifold...
This paper proposes an efficient transconductor structure nearly free from the serious drawback of common- mode signal amplification at its output found in the conventional Nauta-OTA widely used for the implementation of VHF filter. A newly developed method mathematically clarifies the transfer characteristic of the proposed OTA and reveals the essential features of OTA/gyrator. In order to verify...
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