Korea Achieves Breakthrough in Radar Stealth Technology with AI-Powered Components

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The Korea Research Institute of Standards and Science (KRISS) has successfully developed core radar stealth technologies domestically, including AI-enhanced design software and evaluation systems for radomes, marking a significant advancement in Korea's defense capabilities.

Breakthrough in Domestic Radar Stealth Technology

The Korea Research Institute of Standards and Science (KRISS) has achieved a significant milestone in the field of radar stealth technology. Through indigenous development, KRISS has successfully localized core radar stealth technologies, marking a crucial step towards establishing stealth weapon systems in Korea

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The Importance of Stealth Technology

As global military tensions rise and competition in advanced weapon development intensifies, the development of stealth weapon systems has become increasingly important. Radar stealth technology, which absorbs or scatters electromagnetic waves to avoid detection by enemy radar, is a key element in ensuring both autonomy and concealment in weapon systems

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Key Technological Advancements

KRISS has made two major technological breakthroughs:

  1. Frequency Selective Surface (FSS) Design Software: This AI-enhanced software is optimized for analyzing radome structures composed of multilayer composite materials. It delivers over a 50-fold increase in design speed compared to conventional tools

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Source: Tech Xplore

Source: Tech Xplore

  1. Electromagnetic Wave Evaluation System: This system enables in-house performance testing and optimization of radomes. By applying AI technology, it performs measurements more than five times faster than traditional testing methods

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Radomes: A Critical Component

Radomes are hemispherical structures that enclose radar and communication antennas on various vehicles. They must be precisely designed to protect internal systems while allowing electromagnetic signals to pass through with minimal distortion. In defense applications, radomes face extreme conditions and must meet multiple performance requirements

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Overcoming Import Restrictions

The development of these technologies is particularly significant as radar stealth technology is classified as a strategic military asset in leading countries. Its import, especially software and testing equipment, is strictly restricted, highlighting the need for domestic development

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Cost-Effective Solution

The newly developed FSS design software provides a cost-effective alternative to commercial packages, which can cost over KRW 100 million (approx. USD 75,000) for individual user licenses, with annual maintenance fees exceeding KRW 20 million (approx. USD 15,000)

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Technology Transfer and Future Applications

The technology, developed through collaborative research across four KRISS research groups, has been transferred to Korea Electrotechnology Research (KER), a company specializing in advanced defense weapon systems and precision electromagnetic measurement equipment. The transfer, valued at 500 million KRW, was formalized in a ceremony on August 5

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Dr. Hong Young-Pyo, head of the Electromagnetic Wave Metrology Group at KRISS, emphasized that these technologies have potential applications beyond defense, including mobility, maritime, and aerospace industries

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Scientific Recognition and Intellectual Property

The research results were published in the prestigious journal IEEE Transactions on Microwave Theory and Techniques in July. Additionally, patent applications have been filed for both the design software and measurement equipment technologies

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This breakthrough not only enhances Korea's defense capabilities but also positions the country as a leader in radar stealth technology, with potential for wide-ranging applications in both military and civilian sectors.

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