Semi-physical simulation method and device of microwave photon array signal processing system

Abstract

The invention discloses a semi-physical simulation method of a microwave photon array signal processing system. An antenna unit is drawn into a computer domain for simulation, and real object measurement is carried out on a microwave photon signal processing branch. The method comprises a first step of generating an excitation signal set of each microwave photon signal processing branch in the computer according to the class of the microwave photon array signal processing system to be simulated; a second step of actually measuring the response of each microwave photon signal processing branchunder the corresponding excitation signal according to the excitation signal set; a third step of fusing the response of the microwave photon signal processing branch under the corresponding excitation signal into a simulation result of the microwave photon array signal processing system in the computer. The invention further discloses a semi-physical simulation device of the microwave photon array signal processing system. According to the method and device, various linear and non-linear signal processing functions under the broadband can be supported, and the experiment research difficulty of the system is reduced while the high simulation reliability is guaranteed.

Description

technical field [0001] The invention belongs to the field of microwave photonics, and relates to a multifunctional microwave photon array signal processing system based on optically controlled broadband microwave beamforming, and in particular to a half-in-the-loop simulation method of the microwave photon array signal processing system. Background technique [0002] Microwave photonic signal processing is a technique for processing microwave signals in the optical domain. With the advantages of photonic technology, such as low transmission loss, anti-electromagnetic interference, and large bandwidth, microwave photonic signal processing has become an important means to improve the performance of microwave systems. With the maturity of optically controlled microwave phase shifting and time delay technologies, there have been many schemes at home and abroad to connect multiple microwave photonic signal processing branches in parallel to form an optically controlled microwave ...

AI Technical Summary

Problems solved by technology

This method can well measure the characteristics of linear and quasi-linear signal processing systems, but it cannot characterize the nonlinear response of the signal and the nonlinear signal processing function of the system

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