Instrument for Measuring Millimeter-Wave Polarimetric Bidirectional Reflectance Distribution Function

Award Information
Agency: Department of Defense
Branch: Army
Contract: W31P4Q-13-C-0096
Agency Tracking Number: A123-105-0340
Amount: $99,998.00
Phase: Phase I
Program: SBIR
Awards Year: 2013
Solicitation Year: 2012
Solicitation Topic Code: A123-105
Solicitation Number: 2012.3
Small Business Information
Applied Radar, Inc.
315 Commerce Park Road, North Kingstown, RI, -
DUNS: 041546834
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Steve Cheung
 Principal Engineer
 (401) 295-0062
Business Contact
 William Weedon
Title: CEO
Phone: (401) 295-0062
Research Institution
The proposal will perform study and design of a gonioreflectometer or equivalent instrument that can measure Polarimetric Bidirectional Reflectance Distribution Function (PBRDF) in the millimeter wave (mmW) spectrum using heterodyne transmit/receive (Tx/Rx) radar technology. The instrument will be used to coherently measure amplitude and phase information and construct a BRDF with user-specified angular precision in Ka-band (~35 GHz), V-band (~60 GHz), W-band (~90 GHz), D-band (~140 GHz) and G-band (~220 GHz). The proposal will first analyze and simulated RF performance of the proposed design concepts through high-level system design and performance optimization to maximize signal to noise ratio and minimize dwell time at each angle scan; and then identify approaches with reducing risk toward selecting the design concept. A detailed construction plan together with performance specification for the proposed design will be developed based on (i) availability of commercial COTS component and hardware, (ii) optimization results from Phase I, and (iii) measurement repeatability. The proposed efforts are to demonstrate the feasibility of this mmW concept for PBRDF characterization. The construction plan will be used to build a demonstrator in Phase II.

* information listed above is at the time of submission.

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