Multibanded parametric processing

Stojan Radic

doi:10.1117/12.606950

24 May 2005 Multibanded parametric processing (Invited Paper)

Stojan Radic

Proceedings Volume 5814, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications; (2005) https://doi.org/10.1117/12.606950
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

The ability to coherently generate and process arbitrary waveforms over wide frequency range is recognized as the core technology required for spectral dominance. Low observable (LO) radar technologies are expected to radically change the nature of tracking, acquisition and targeting in future combat environments. While passive LO designs drastically reduce backscatter radar cross section (RCS), they inherently compromise the performance of the airframe: a minimal RCS solution is not necessarily the optimal aerodynamic geometry. Recent demonstrations unify both LO and wide flight envelope. However, the approach dictates very high per-unit cost and is unlikely to lead to mass production seen in the past. In contrast, active LO techniques do not compromise aerodynamic properties, while still drastically reducing RCS. Unfortunately, active LO is expected to proliferate in the near term: it is cost-effective and can be used to qualitatively improve capability of the existing air forces by retrofitting not only the manned fleet, but also the existing missile ordnance. Airframes in service are simply upgraded by portable (100kg or less) units reducing the RCS section by more than two orders of magnitude. Unlike passive LO that can be countered by receiver spatial diversity, active LO reduces both backscattered and refracted radiation, requiring spectral, rather than spatially diverse countermeasures.

Citation Download Citation

Stojan Radic "Multibanded parametric processing (Invited Paper)", Proc. SPIE 5814, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications, (24 May 2005); https://doi.org/10.1117/12.606950

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KEYWORDS

Radar

Aerodynamics

Modulation

Receivers

Absorption

Signal processing

Terahertz radiation

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