Millimeter wave sensor requirements for maritime small craft identification

Keith Krapels, Ronald G. Driggers, Jose Garcia, Evelyn Boettcher, Dennis Prather, Chrisopher Schuetz, Jesse Samluk, Lee Stein, William Kiser, Andrew Visnansky, Jeremy Grata, David Wikner, Russ Harris

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations


Passive millimeter wave (mmW) imagers have improved in terms of resolution sensitivity and frame rate. Currently, the Office of Naval Research (ONR), along with the US Army Research, Development and Engineering Command, Communications Electronics Research Development and Engineering Center (RDECOM CERDEC) Night Vision and Electronic Sensor Directorate (NVESD), are investigating the current state-of-the-art of mmW imaging systems. The focus of this study was the performance of mmW imaging systems for the task of small watercraft / boat identification field performance. First mmW signatures were collected. This consisted of a set of eight small watercrafts; at 5 different aspects, during the daylight hours over a 48 hour period in the spring of 2008. Target characteristics were measured and characteristic dimension, signatures, and Root Sum Squared of Target's Temperature (RRSΔT) tabulated. Then an eight-alternative, forced choice (8AFC) human perception experiment was developed and conducted at NVESD. The ability of observers to discriminate between small watercraft was quantified. Next, the task difficulty criterion, V50, was quantified by applying this data to NVESD's target acquisition models using the Targeting Task Performance (TTP) metric. These parameters can be used to evaluate sensor field performance for Anti-Terrorism / Force Protection (AT/FP) and navigation tasks for the U.S. Navy, as well as for design and evaluation of imaging passive mmW sensors for both the U.S. Navy and U.S. Coast Guard.

Original languageEnglish (US)
Title of host publicationMillimetre Wave and Terahertz Sensors and Technology II
StatePublished - 2009
Externally publishedYes
EventMillimetre Wave and Terahertz Sensors and Technology II - Berlin, Germany
Duration: Sep 1 2009Sep 3 2009

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X


OtherMillimetre Wave and Terahertz Sensors and Technology II

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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