A high dynamic radar seeker sea-skimming target electromagnetic signal modeling method

Abstract

The invention discloses a high dynamic radar seeker sea-skimming target electromagnetic signal modeling method. Composite electromagnetic scattering of sea-skimming targets in the head’s view; based on the calculation results of composite electromagnetic scattering of sea-skimming targets, the electromagnetic echo signal model of the radar seeker is established by using the space-time decomposition method; the radar seeker is simulated by the electromagnetic echo signal model of the radar seeker The echo signal of the sea-skimming target of the seeker is processed, the echo signal of the sea-skimming target of the radar seeker is processed, and the range Doppler diagram of the echo signal is obtained, and the sea-skimming target detection and range angle information are calculated according to the range Doppler diagram. Regularly obtain the position and attitude of the missile at the next moment, and complete the ballistic propulsion and full ballistic radar seeker echo simulation. The invention realizes the real-time closed simulation of the echo characteristic of detecting and tracking the sea-skimming target after the seeker is turned on during the high-dynamic ballistic flight process.

Description

technical field [0001] The invention relates to the field of radar seeker detection performance evaluation and improvement, in particular to a high dynamic radar seeker electromagnetic signal modeling method for sea-skimming targets. Background technique [0002] In modern warfare, sea-skimming penetration is a commonly used and effective air strike combat style. my country has a long coastline, and sea-skimming low-flying targets such as anti-ship missiles, cruise missiles, and small drones can pose a huge threat to national air defense. With the rapid development and wide application of today's sea-skimming flight technology, the monitoring, defense and confrontation of sea-skimming low-flying targets have become more and more important and valuable in the field of modern national security. In the military, anti-aircraft missiles (including surface-to-air, ship-to-air, air-to-air missiles, etc.) are important weapons against sea-skimming intrusion targets. The guidance p...

AI Technical Summary

Problems solved by technology

Since the seeker is basically unable to recover after the missile is launched, and the data capacity on the missile is limited, the seeker is in a high-dynamic flight after guidance, and its echo data is difficult to download in real time, so the current radar seeker in real ballistic flight returns Wave data is difficult to collect

The cost of researching the echo characteristics of the sea-skimming target of the seeker through the field test is high and has great limitations, especially the existing test conditions in China are still difficult to simulate the high dynamic seeker, target, and dynamics in the actual situation. Seeker Echoes in the "Three Movements" Sea Surface Situation

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