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A wide-band microwave photonic phase and frequency shifter

机译:宽带微波光子移相器

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摘要

Advanced radar deception systems require wide-band devices which perform microwave processing of frequency and phase information. A wide-band microwave photonic phase shifter was constructed which is capable of imposing greater than 2/spl pi/ phase shift to microwave signals in the 2-18-GHz frequency range. The maximum standard deviation from the phase setting was 10/spl deg/ (7/spl deg/ typical). The phase shifter was then incorporated into a frequency translation architecture. The carrier suppression obtained was 50 dB with a spurious harmonic suppression of 23 dB.
机译:先进的雷达欺骗系统需要宽带设备,这些设备需要对频率和相位信息进行微波处理。构建了宽带微波光子移相器,该移相器能够对2-18 GHz频率范围内的微波信号施加大于2 / spl pi /的相移。与相位设置的最大标准偏差为10 / spl deg /(典型值为7 / spl deg /)。然后将移相器合并到频率转换架构中。获得的载波抑制为50 dB,杂散谐波抑制为23 dB。

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