Abstract

The possibility of expanding working frequency ranges and increasing the precision of State Primary Special Standard of the unit of frequency deviation GET 166–2004 is considered. Methods and means of measuring the frequency deviation that may be incorporated into the improved GET 166–2004 are proposed. Results of studies of the following four independent methods of measuring frequency deviation are presented: method of electronic computer frequency meter; method of direct digital synthesis; method of Bessel function zeros; and method of measuring the extremal values of the period.

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