Phase drift effect minimization in HF/VHF radio links using phase drift scanner method

Zbigniew Piotrowski; Piotr Gajewski

doi:10.1117/12.784907

28 December 2007 Phase drift effect minimization in HF/VHF radio links using phase drift scanner method

Zbigniew Piotrowski, Piotr Gajewski

Proceedings Volume 6937, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2007; 69373U (2007) https://doi.org/10.1117/12.784907
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2007, 2007, Wilga, Poland

Abstract

Drift Scanner Method is very effective procedure used to reduce the phase drift effect in the radio links. The effect "out of tuned" signal in the basic frequency band is a result of small, long term stability codec's clocks both at the transmitter and receiver's side as well as small stability of HF or VHF carrier frequency in the standard modulators and demodulators in the radio transceiver configuration. The paper presents experimental results carried out in the radio links with applied procedure of reducing total output phase drift (ppm value) by using Phase Drift Scanner method. Described method is also useful in watermarking applications.

Citation Download Citation

Zbigniew Piotrowski and Piotr Gajewski "Phase drift effect minimization in HF/VHF radio links using phase drift scanner method", Proc. SPIE 6937, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2007, 69373U (28 December 2007); https://doi.org/10.1117/12.784907

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