| 摘要 |
An array for receiving and processing (1) electromagnetic radio-frequency signals is described, comprising : - a plurality of antenna elements (10) adapted to receive electromagnetic radio-frequency signals and convert them into corresponding analog electrical signals; - a chassis (2'') that houses inside it: - a plurality of frequency-conversion modules (21) adapted to convert corresponding analog electrical signals into corresponding intermediate-frequency or base-band analog electrical signals, each of said frequency-conversion modules (21) having a first input operatively coupled to a respective antenna element (10) and a second input adapted to receive a frequency- reference signal; - a plurality of analog to digital conversion modules (22) adapted to receive a synchronisation signal and a control signal and to convert the analog electrical intermediate-frequency or base-band signals into digital samples; - a fibre-optic or radio transmission interface (23) for the transmission of said digital samples, or signals obtained from the processing of said digital samples, to an external control unit (40); - a fibre-optic or radio reception interface (24) through which the receiving and processing array (1) is adapted to receive a control signal from the external control unit (40); - a synthesis unit (25) adapted to process said control signal to synthesise, from the latter, the frequency- reference signal, the synchronisation signal and the control signal; - a distribution network (26,27) adapted to supply the frequency-reference signal to the plurality of frequency-conversion modules (21); - electrical connection elements (28,29) adapted to provide the synchronisation signal and the control signal to the plurality of analog to digital conversion modules (22). |
