Our work is devoted to frequency domain and time domain simulations of the oscillator phase noise, we deals with the time and the frequency stability of oscillators. Increasing communication rates, long communication distances, increasing computing speeds of modern computers, eventually, put claims on the accuracy and especially on the stability of carrier frequencies or timing. In real systems, the noise is always presented and it is not possible to be totally suppressed. But studying of the noise behavior, one can find the way of minimizing the noise influence and thus, the way of developing systems with better parameters. According to given phase noise parameters in the frequency domain, we simulate the oscillator output signal distorted with this noise in the time domain. With help of time dependent time fluctuations, oscillator output signal is processed statistically with Allan variances. Simulated results are in a good coincidence with the direct calculation implying from the domains conversion formula. The signal affected by the phase noise is going to be utilized for the evaluation of the phase noise influence in satellite communication chains.


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    Titel :

    Study of oscillators frequency stability in satellite communication links


    Beteiligte:
    Baran, Ondrej (Autor:in) / Kasal, Miroslav (Autor:in)


    Erscheinungsdatum :

    2009-06-01


    Format / Umfang :

    933021 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch