Frequency measurement research with weight averaging of pulse output signal of voltage-to-frequency converter

被引：5

作者：

Dorozhovets, Mykhaylo ^{[1
,2
,5
]}

Pawlowski, Eligiusz ^{[3
]}

Swisulski, Dariusz ^{[4
]}

机构：

[1] Rzeszow Univ Technol, Fac Elect & Comp Engn, Dept Metrol & Diagnost Syst, Rzeszow, Poland

[2] Natl Univ Lviv Polytech, Dept Informat & Measuring Technol, Lvov, Ukraine

[3] Lublin Univ Technol, Fac Elect Engn & Comp Sci, Lublin, Poland

[4] Gdansk Univ Technol, Fac Elect & Control Engn, Gdansk, Poland

[5] Rzeszow Univ Technol, Fac Elect & Comp Engn, Dept Metrol & Diagnost Syst, Ul Wincentego Pola 2A, PL-35959 Rzeszow, Poland

来源：

MEASUREMENT | 2023年 / 216卷

关键词：

Voltage-to-frequency converter; Pulse frequency; Interference; Counting effect; Weight function; Averaging window;

D O I：

10.1016/j.measurement.2023.112912

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The paper presents the essence and investigation of the efficiency of weight averaging of a pulse output signal of voltage-to-frequency converter. The effect of counting and the influence of interference on the result of weight averaging of frequency modulated pulses are analyzed. It is shown that from the point of view of counting error reduction, the best are polynomial weight functions. In the case of high interferences whose frequencies are unstable or may change over a wide range, the specified level of their suppression, together with the reduction of the counting effect, can be achieved using weight functions, such as trigonometric. The interference suppression both in the narrow and wide frequency ranges, as well as the counting error when using selected weight func-tions, have been tested by both simulation and experimentally. The obtained results show very good convergence with the values calculated from theoretical formulas.

引用

页数：17

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