ZBF-DMTD SYNTHETICAL METHOD FOR SHORT-TERM FREQUENCY STABILITY MEASUREMENT

This paper presents a zero beat frequency double mixer time difference (ZBF-DMTD) synthetical method for measuring short-term.frequency stability Allen variance σy^2(τ) of frequency sourse. The new method has a high measurement preclsion and is easy to realize and spread in engineering. The paper dlscribes the structure and design of the ZBFDMTD automatic measurement system,and gives the contrast measurement results.

This paper presents a zero beat frequency double mixer time difference (ZBF - DMTD) synthetical method for measuring short -term frequency stability Allen variance σ2, (τ) of frequency source. The new method has a high measurement precision and is easy to realize and spread in engineering. The paper discribes the structure and design of the ZBF -DMTD automatic measurement system,and gives the contrast measurement results.