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India’s ambitious 5th generation Advanced Medium Combat Aircraft (AMCA) program will be taking a crucial step towards achieving true aerial dominance. A key feature of the AMCA will be Low Probability of Intercept (LPI) technology, a cornerstone of modern stealth aircraft.

LPI radars are a cornerstone of modern aerial warfare. They function by minimizing an aircraft’s radio frequency (RF) emissions, making them significantly harder to detect by conventional radar systems.

While the aircraft’s physical design plays a crucial role. Specific angles and materials are used to deflect radar waves, reducing the aircraft’s radar cross-section (RCS). Special coatings are usually applied to the aircraft’s surface further to absorb radar waves, hindering their reflection.

Advanced radars are being developed that can detect targets while emitting minimal detectable signals, making them difficult for enemy radar warning receivers to pick up. By minimizing its radar signature, the AMCA can penetrate enemy airspace undetected, allowing for surprise attacks.

Reduced detectability significantly increases the AMCA’s chances of evading enemy radar and missile threats. While complete invisibility is desirable, LPI radars still need to emit some level of signal to function effectively. Striking a balance between minimal emissions and maintaining radar functionality remains a challenge.

As enemy detection technologies evolve, so too must LPI capabilities. Continuous research and development are vital to staying ahead in the stealth game.

The AMCA program signifies India’s commitment to achieving self-reliance in developing critical defence technologies. Successfully incorporating LPI technology will be a major milestone in the nation’s quest for an indigenous 5th-generation fighter jet.

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