Method for predicting electromagnetic environment distribution characteristics of ship-borne radiation sources in formation

Abstract

The invention discloses a method for predicting electromagnetic environment distribution characteristics of a ship-borne radiation source in a formation, and the method comprises the following steps:calculating the near-region initial field distribution of a high-power radiation source according to the installation height position of the high-power radiation source in an offshore platform formation; establishing a forward propagation model in the high-power radiation source formation based on a two-dimensional scalar wave equation; establishing a near-sea-surface atmospheric refractive indexmodel based on near-sea-surface atmospheric characteristic analysis; calculating a propagation attenuation factor considering the influence of sea surface electromagnetic medium characteristics and near sea surface atmospheric refraction characteristics; and finally, solving the electromagnetic environment at the far field in the radiation source multi-platform formation by combining the directional diagram characteristics of the ship-borne high-power radiation source. According to the method, the electromagnetic environment parameters of the sensitive equipment in the water surface platform formation under the complex meteorological condition can be rapidly predicted, and electromagnetic environment input is provided for further carrying out accurate prediction and analysis on interference response of the sensitive equipment.

Description

technical field [0001] The invention relates to electromagnetic compatibility technology, in particular to a method for predicting the electromagnetic environment distribution characteristics of shipborne radiation sources in a formation. Background technique [0002] With the technological advancement of new equipment, the combined use of surface multi-platform systems has become the main way of using naval platforms to give full play to the combat capabilities of each platform. With the increase of transmission power of frequency-using equipment on various water surface platforms, the expansion of frequency spectrum, and the continuous increase in the number of frequency-using equipment, the electromagnetic environment faced by offshore platforms is becoming more and more complex, and the problem of electromagnetic interference between platforms has become abnormal. complex. Otherwise, once there is electromagnetic interference, it will inevitably destroy the overall comb...

AI Technical Summary

Problems solved by technology

With the increase of transmission power of frequency-using equipment on various water surface platforms, the expansion of frequency spectrum, and the continuous increase in the number of frequency-using equipment, the electromagnetic environment faced by offshore platforms is becoming more and more complex, and the problem of electromagnetic interference between platforms has become abnormal. complex

Otherwise, once there is electromagnetic interference, it will inevitably destroy the overall combat capability of multiple platforms and seriously affect the execution of combat missions at sea

Images