A.V. Kuzovnikov, P.V. Semkin, V.G. Somov

In article the way of conducting radiomonitoring which is based on principles of a statistical radio engineering [1] is considered, the analysis of various criterions of random signals detection and assessment criterions of harmonious signals - unknown parameters (amplitude, an initial phase, frequency) is carried out. The analysis of detection criterions has allowed to choose the most effective - Neumann-Pirson criterion. Research of dependence of detection probability and assessment accuracy of of signals - parameters from the signal/noise relation is conducted. As criterion for an estimation of definition accuracy of signal parameters was the root-mean-square deviation of the received statistical assessment from true value of parameter is taken. Experimental dependence of a root-mean-square deviation the signal/noise relation in a range from a minus 10 dB to 20 dB is constructed. Also possibility of application of statistical assessments of signal parameters for definition of a signal modulation type is analysed. Amplitude and phase estimations are experimentally counted for different modulation formats at the signal/noise relation equal a minus 10 dB.