A method for detecting and direction finding RADAR

摘要

method u043eu0431u043du0430u0440u0443u0436u0435u043du0438u00a0 and u043fu0435u043bu0435u043du0433u043eu0432u0430u043du0438u00a0 radio signals, u0437u0430u043au043bu044eu0447u0430u044eu0449u0438u0439u0441u00a0 reception signals by u043du0435u043du0430u043fu0440u0430u0432u043bu0435u043du043du044bu0445 antennas comprising n - u044du043bu0435u043cu0435u043du0442u043du0443u044e u0430u043du0442u0435u043du043du0443u044e bars measured at the terminals of integrated antenna and radio signals, convert them into the angular range of the first u043fu043eu0440u00a0u0434u043au0430, determining the maximum u0437u043du0430u0447u0435u043du0438u00a0 and coordinates his u043cu043eu0434u0443u043bu00a0 square.with the transformation of the angular range of the first u043fu043eu0440u00a0u0434u043au0430 u0432u044bu043fu043eu043bu043du00a0u044eu0442 formula;where is the u043au043eu043cu043fu043bu0435u043au0441u043du0430u00a0 amplitude signals at the output of n th antenna, n = 1, 2,...n is the number of antennas, n, (,) - raid phases signal field u0440u0430u0441u043fu043eu043bu043eu0436u0435u043du0438u00a0 antennas, the angles of arrival of radio waves in the horizontal and the vertical plane (u043cu043du0438u043c u0430u00a0 unit u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0, after u0438u0437u043cu0435u0440u0435u043du0438u00a0 complex amplitude signals, u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 their average cumulative antenna powerthe angular range of the first u043fu043eu0440u00a0u0434u043au0430 transforming the coordinates of the maximum in the angular spectrum of the second u043fu043eu0440u00a0u0434u043au0430, u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 coordinates and the importance of maxim smart grid it u043cu043eu0434u0443u043bu00a0 which and the value of maximum angular range of the first u043fu043eu0440u00a0u0434u043au0430 square u043cu043eu0434u0443u043bu00a0 u043du043eu0440u043cu0438u0440u0443u044eu0442 at high power, and on the basis of normalization and the coordinates u0441u0443u0434u00a0u0442 maximums of radio signals and the corners of their parish.in this u043du043eu0440u043cu0438u0440u043eu0432u0430u043du043du044bu0435 u0437u043du0430u0447u0435u043du0438u00a0 maximums squares modules u0441u0443u043cu043cu0438u0440u0443u044eu0442 angular spectra and compared with the first threshold, above which no u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 dmv u0443u0442u0441u0442u0432u0438u0435 radio signalsotherwise, u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 relevant result u0432u044bu0447u0438u0442u0430u043du0438u00a0 of unit amount of maximums squares modules angular spectra result from fundamental units u0432u044bu0447u0438u0442u0430u043du0438u00a0 u043du0438u00a0 maximum angular range of the first u043fu043eu0440u00a0u0434u043au0430 square u043cu043eu0434u0443u043bu00a0 received treatment, and compared with the second threshold, the exceeding of which are available on the u0434u043du043eu0433u043e signal, otherwise the two radio signalswith the transformation of the angular range of the second u043fu043eu0440u00a0u0434u043au0430 u0432u044bu043fu043eu043bu043du00a0u044eu0442 formula;where is the u043du043eu0440u043cu0438u0440u043eu0432u0430u043du043du0430u00a0 radiation pattern antenna bars in the orientation in the direction of the maximum angular range of the first time u043cu043eu0434u0443u043bu00a0 square u00a0u0434u043au0430 and u0437u043du0430u0447u0435u043du0438u00a0 thresholds set by the criterion of neumann - pearson, u0438u0441u0445u043eu0434u00a0 u0432u0435u0440u043eu00a0u0442u043du043eu0441u0442u0438 of a false alarm, the quantity of u0440u0430u0441u043fu043eu043bu043eu0436u0435u043du0438u00a0 antennas, it the wave u0438u0437u043bu0443u0447u0435u043du0438u00a0 and the specified error u043fu0435u043bu0435u043du0433u043eu0432u0430u043du0438u00a0.