Imaging radar echo simulator

Abstract

The invention discloses an imaging radar echo simulator, which comprises a target unit, a configuration unit, a high-speed processing unit and an output unit, and is characterized in that the target unit is used for configuring a backscattering coefficient of a target scene in an imaging area of an imaging radar; the configuration unit is used for configuring flight parameters of the target scene; the high-speed processing unit is connected with the target unit and the configuration unit, and is used for accessing and calculating imaging radar operating parameters such as the backscattering coefficient of the target scene in the imaging area of the imaging radar and the flight parameters of the target scene and generating echo simulation data; and the output unit is connected with the high-speed processing unit, and is used for converting the echo simulation data into required echo simulation signals and outputting the echo simulation signals. The imaging radar echo simulator overcomes the defects of a traditional echo simulator that the computing capability is insufficient and that dynamic echo generation is subjected to restrictions, and can carry out high-speed calculation and can dynamically generate imaging radar echoes in a simulated manner in real time.

Description

technical field [0001] The invention belongs to the technical field of digital communication and is specifically applied to a synthetic aperture radar echo simulator. Background technique [0002] Imaging radar is an important means of ground remote sensing. It can not only obtain high-resolution imaging radar images, but also has the ability to work around the clock, so it has been widely used in military and civilian fields. [0003] The imaging process of imaging radar requires a certain form of relative motion between the imaging radar and the target. During system testing and system verification, flight tests are generally required to obtain test data of the target scene, which will increase the economic cost, time cost and manpower of the test. cost. Therefore, when carrying out system testing and system verification, the required echo data is obtained by simulating the echo signal. [0004] In the prior art, the simulation of imaging radar echo data is usually imple...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an imaging radar echo simulator, which uses high-speed computing to meet the requirements of dynamic simulation to generate imaging radar echoes, so as to overcome the shortcomings of the traditional echo simulator's insufficient computing power and the inability to play back echo data in real time

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