Радиопромышленность. 2018; 28: 31-45
Модельно-ориентированное оценивание радиотехнических параметров
https://doi.org/10.21778/2413-9599-2018-28-3-31-45Аннотация
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Radio industry (Russia). 2018; 28: 31-45
Model-based estimation of radio parameters
https://doi.org/10.21778/2413-9599-2018-28-3-31-45Abstract
It’s proposed to use model-based approach for evaluation of radiation parameters observed by passive location facilities. This method is based on model parameters adjustment and interpretation of correspondent parameters values as experimental parameters evaluations. Evaluation adequacy criterion in this case is maximal probability of overlapping of experimental and model ranges of parameters. Preliminary objects selection can be based on frequency or/end directional characteristics of received signals. A possible selection criterion is based on discrimination conditions of frequency and time ranges. The appropriate analysis is performed on the basis of the extremal analysis enabling to select ranges corresponding to observed objects. Selected ranges are transformed into time functions to be analyzed by model-based method. Therewith the frequency analysis is performed on the assumption of linear frequency modulation of the signal observed. In its turn, the amplitude analysis is based on the passive location model. Parameters are selected either by Monte-Carlo method or by direct processing of equidistant grid nodes.
References
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