Continuous minimax spline-approximation of temperaturcharacteristics and sensitivity of thermodiode sensor by logarithmic expression

Authors

  • V. A. Andrunyk
  • P. S. Malachivskyi

Keywords:

uniform (tchebyshev) approximation, minimax spline-approximation, remez's method, temperature description of sensor

Abstract

The properties of the continuous and smoothed minimax spline-approximation, where its each link is approximation by Chebyshev criterion are considered. Necessary and sufficient conditions of existence of uniform (Tchebyshev, minimax) approximation with exact reproduction of its value and derivative in certain given points are established as well. The algorithm for determinating of such spline-approximation with apriory given error is proposed. The example of application of this approximation for transfer-function of thermodiode sensor for cryogen temperatures is described.

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Published

2010-11-12

How to Cite

[1]
V. A. Andrunyk and P. S. Malachivskyi, “Continuous minimax spline-approximation of temperaturcharacteristics and sensitivity of thermodiode sensor by logarithmic expression”, Вісник ВПІ, no. 5, pp. 108–115, Nov. 2010.

Issue

No 5 (2007)

Section

Radioelectronics and radioelectronic equipment manufacturing

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