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An improved algorithm for Hankel-norm optimal approximation of FIR by IIR discrete-time transfer functions is given which results in a straightforward and computationally efficient implementation which is less error-prone than previous approaches 相似文献
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We report on low-temperature measurements in a fully tunable carbon nanotube double quantum dot. A new fabrication technique has been used for the top-gates in order to avoid covering the whole nanotube with an oxide layer as in previous experiments. The top-gates allow us to form single dots and control the coupling between them, and we observe 4-fold shell filling. We perform inelastic transport spectroscopy via the excited states in the double quantum dot, a necessary step toward the implementation of new microwave-based experiments. 相似文献
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Kale I. Gryka J. Cain G.D. Beliczynski B. 《Vision, Image and Signal Processing, IEE Proceedings -》1994,141(3):168-174
Two different algorithms for approximating FIR by IIR filters are treated: truncation of the balanced model and the Hankel-norm optimal approximation. Both are assessed for approximation fidelity, as well as for intrinsic computational efficiency. Examples show surprisingly good relative performance of the balanced model truncation, suggesting that frequently this method will be operationally preferable 相似文献
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