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Digital signal processing in binary phase coded CW multistatic radar

Electronic countermeasures (ECM) and homing anti-radiation missiles (ARM) pose a threat to the operability of radar. One solution to counteract the threat and continue operating radar is to separate the transmitter and receiver and spread the emitted signal in both frequency and space. The Norwegian Defence Research Establishment (FFI) has developed a low power, bistatic, coherent, spread spectrum and continuous wave (CW) radar for radar cross section (RCS) measurements. The experience with the measurement radar initiated a project to investigate the operational characteristics of a multistatic radar system. This paper presents the digital processing of a multistatic radar concept for a low-level air defence radar system using one receiver unit and several transmitters.