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Modern phased array antennas in radar systems are composed of several thousands of transmit/receive modules (TRM). Performance of radars are strongly related to the correct functioning of the control chain for such modules. It is therefore fundamental to perform diagnostic and monitoring of main characteristics of active array components; in this way, system performance may be checked and, if necessary,...
Tests on phased array radar systems are typically performed in far field test ranges, which, in the case of large radar antennas, imply very large distances, an uncontrolled outdoor environment and limitations on the number of test probes to be deployed. This paper summarizes and compares the main techniques that can be used in an anechoic chamber in order to realize tests on a phased array radar...
The possibility of achieving new advantageous solutions of high-performance UWB wide-scan arrays is investigated here for typical C-X band applications. Original compact, low-profile configurations of phased arrays, based on the class of the aperture-coupled stacked patches, have been analysed, designed, and tested. The relevant results show very interesting features as concerns band and scanning...
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