MMW/THz seeker with passive ranging

Date

2026-01-01

Author

Ünal, Ahmet

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Passive detection and imaging systems, which operate without the need for a light source, are the subject of frequent research interest. One notable application of passive detection is passive range measurement. This study investigates passive ranging techniques, commonly utilized in infrared search and tracking (IRST) systems, within the context of the passive Millimeter Wave (MMW)/Terahertz (THz) seeker concept. Unlike conventional bands that employ mid-wave infrared (MWIR), this study proposes a rosette scanning seeker system specifically tailored for air-to-air missiles with a passive ranging capability. In addition, this study also presents the optical configuration and the operational principle of the seeker has been formalized, and relevant parameters have been identified. Additionally, the passive-ranging capability has been discussed in this seeker concept and ratio tests were carried out in indoor conditions in order to verify the passive ranging capability. Moreover, characterization of the receiver has also been proposed for MMW/THz bands. This research is expected to significantly contribute to the development of new detection and imaging systems in the MMW/THz bands in the future.

Subject Keywords

Infrared search and track, Millimeter Wave/Terahertz Seeker, MMW/THZ seeker, Passive ranging, Signal to noise ratio, Temperature calibration

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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=105027195957&origin=inward
https://hdl.handle.net/11511/118542

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Department of Electrical and Electronics Engineering, Article