FIELD: radar engineering. SUBSTANCE: device is, essentially, three-dimensional bonded lattice with square cell; lattice shape follows cross-section outline of air-intake admission port. Bonded sheets of isosceles triangle shape are joined to external rib of each cell and function to reduce radar return from air intake by 2.3-4 dB within comprehensive range of wavelengths. EFFECT: reduced radar return from air intake channel. 8 dwg
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