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The application of microwave photonics delay-modulation in radar countermeasures

For adapting to performance requirement of ultra wide-band and ultra high-speed signal processing in radar countermeasures equipment, a forwarding architecture of delay-superposition based on microwave photonics is suggested. Simultaneously, the method of delay-superposition modulation is researched and simulated. The interference effect is obtained briefly, which validated the effectiveness of microwave photonics delay-modulation in radar countermeasures.