Abstract
The chapter is devoted to the features systematization of the identification process in radar observation around nuclear objects. Automated identification in radar surveillance around nuclear facilities problem is formulated. It is shown that tasks of automated identification during radar surveillance around nuclear objects are reduced to the problem of optimal signal filtering from a technical point of view. It consists in identifying dangerous radar targets, which are people and animals, manned and unmanned small-sized aircraft moving towards the protected object. This is solved by classical linear filtering methods. Classical problems of optimal linear filtering by the minimum mean squared error criterion and by the maximum signal-to-noise ratio criterion are considered. It is shown that identification of dangerous radar targets on the approaches to protected nuclear facility is technically reduced to optimal filtering of all reflected signals received by the radar receiver, coming from both dangerous targets and targets that interfere with this reception. The conditions for optimal filtering are characterized by the spectral density of useful signal at the input of the radio receiver. It is determined by the number of received impulse reflections from the radar target during identification by criterion of minimum mean square of the error and the degree of conjugation of the amplitude-frequency characteristic of receiving device to the amplitude spectrum of the input useful signal by the criterion of the maximum signal-to-noise ratio. These solutions are interpreted in relation to the problem of automated identification in radar surveillance around nuclear facilities. It is shown that working time of automated identification during radar observation around nuclear objects will depend on the values of the spatial survey speed and the recognition coefficients of radar stations. Recognition coefficients of radar stations required to detect and identify people and other dangerous targets on the approaches to protected objects of critical infrastructure. It will be determined by the absorption functions of electromagnetic radiation by the tissues of biological object according to certain number of linear integrals, depending on the size of the object and the wavelength of radiation.
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Diviziniuk, M., Mirnenko, V., Farrakhov, O., Shevchenko, O., Lesechko, D. (2023). Identification Process Features During Radar Observation Around Nuclear Objects. In: Zaporozhets, A., Popov, O. (eds) Systems, Decision and Control in Energy IV. Studies in Systems, Decision and Control, vol 456. Springer, Cham. https://doi.org/10.1007/978-3-031-22500-0_8
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