Aerospace environment modeling method and system based on data model

Abstract

The invention provides an aerospace environment modeling method and a system based on a data model. The method comprises the following steps: obtaining an observation geometry relationship between a detector and a target, a detection time of the detector and a property of the detector, and inputting an aerospace background characteristic data model; according to the transmittance of the target observation path, calculating the target characteristic data, according to the atmospheric background radiation value, the typical strong radiation star position, the typical strong radiation star radiation value, obtaining the background total radiation value, obtaining the target detection signal-to-clutter ratio according to the target characteristic data and the background total radiation value,calculating the detection probability according to the target detection signal-to-clutter ratio. The invention directly utilizes the existing data and the parameters of the detector to obtain the environmental characteristics, thereby obtaining the detection probability of the detection target, the data accuracy is high and the modeling is convenient.

Description

technical field [0001] The present invention relates to the field of system simulation, in particular to a data model-based aerospace environment modeling method and system. Background technique [0002] The environment includes terrestrial environment, marine environment, atmospheric environment and air-space environment. Among them, the influence of terrestrial environment, marine environment and atmospheric environment on equipment has already had extensive research foundation and relatively mature models and algorithms. The aerospace environment mentioned in the present invention specifically refers to adjacent space and outer space environment. Aerospace environment is an important part of equipment system countermeasure simulation. [0003] The present invention mainly studies the effects of the near space environment and the deep space background on aerospace equipment, wherein: the near space environment, deep space background and other environmental factors mainly ...

AI Technical Summary

Problems solved by technology

The electromagnetic environment mainly considers the aircraft flying at hypersonic speed in the adjacent space. Due to the severe friction between the airflow and the aircraft wall, it will induce re-entry into the plasma environment, so the detection probability of missile radar-guided weapons is reduced, and even it cannot be detected and tracked.

[0004] The existing technology is to carry out theoretical calculations through physical models, and its disadvantages are: 1. It is difficult to guarantee the accuracy of physical models; 2. Some complex physical phenomena cannot be physically modeled

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