Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Comparison of parametric methods for radar signal processing
Rejfek, Luboš ; Burešová, Dalia ; Fišer, O. ; Brázda, V.
The paper deals with comparison of parametric power spectral density methods for the utilization in the meteorological radar (pulse radar of frequency modulated pulses). We have compared duration of signal processing requested by single methods involved in the test. The methods used are the Auto Regressive model, MUSIC method, Eigen Vector algorithm and CAPON. The best results we have obtained for the AR model.
HF Doppler Radar Observations of Geomagnetic Pulsations
Fišer, Jiří ; Chum, Jaroslav
Geomagnetic pulsations interact with the ionosphere, which influences the propagation properties of high frequency (HF) radio waves. In this work we present results of an experimental study focused on investigation of relations between the geomagnetic pulsations observed on the ground and the Doppler frequency shift oscillations observed remotely in the ionosphere by a Doppler sounding system in the Czech Republic. We study mainly the dependence of phase shift between them on various parameters.

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