A photon type frequency doubling microwave signal phase shift device and phase shift control method thereof

Abstract

The invention discloses a photon frequency doubling microwave signal phase shift device. The device comprises a fundamental frequency radio frequency signal source, a photoelectric modulation module, a polarization analyzer and a photoelectric detector, wherein the photoelectric modulation module is used for carrying out electro-optical modulation on a fundamental frequency signal; a modulation light signal which is output by the photoelectric modulation module consists of two polarization orthometric optical signals with phase position difference kpi +pi / 2, the two optical signals are both + / -1 order sideband signals subjected to carrier suppression, +1 order sideband and -1 order sideband of one optical signal are identical in phase, +1 order sideband and -1 order sideband of the other optical signal are different in phases, and the amplitudes of the +1 order sidebands and the -1 order sidebands of the two optical signals are respectively equal, wherein k is an integer. The invention also discloses a phase shift control method of the device. According to the photon frequency doubling microwave signal phase shift device and the phase shift control device of the device, the continuous phase control on a frequency doubling microwave / millimeter wave signal is realized, and the phase control with high performance and high frequency is realized.

Description

technical field [0001] The invention relates to a phase shifting device, in particular to a photon type frequency multiplication microwave signal phase shifting device and a phase shifting control method thereof. Background technique [0002] Since the first phased array radar was successfully researched in the 1960s, phased array antennas have been widely used in many fields such as radar, communication, electronic countermeasures, and detection. Its multi-antenna cooperative work and beamforming functions It can greatly increase system capacity, increase spectrum efficiency, improve signal-to-noise ratio, reduce power consumption, and realize effective management and control of resources. The microwave and millimeter wave phase shifter is the core device of the T / R component in the phased array antenna. [0003] At present, traditional microwave and millimeter wave phase shifters based on electronic technology have problems such as low frequency, small bandwidth, mutual c...

AI Technical Summary

Problems solved by technology

This technology realizes the generation and phase shifting of frequency multiplied signals, which effectively increases the carrier frequency of the system. However, due to the influence of programmable optical filters, the laser wavelength adjustment of this technology is limited and the lower limit of the frequency that can achieve phase shifting is limited.

Images