Sparse Multi-Static Arrays for Near-Field Millimeter-Wave Imaging
This paper describes a novel design technique for sparse multi-static linear arrays. The methods described allow the development of densely sampled linear arrays suitable for high-resolution near-field imaging that require dramatically fewer antenna and switch elements than the previous state of the art. The techniques used are related to sparse array techniques used in radio astronomy applications, but differ significantly in design due to the transmit-receive nature of the arrays, and the application to linear arrays that achieve dense uniform sampling suitable for high-resolution near-field imaging. As many as 3 to 5 or more samples per antenna can be obtained, compared to 1 sample per antenna for the current state of the art. This could dramatically reduce cost and improve performance over current active millimeter-wave imaging systems.
- Research Organization:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 1178907
- Report Number(s):
- PNNL-SA-96544; 400904120
- Resource Relation:
- Conference: IEEE Global Conference on Signal and Information Processing (GlobalSIP 2013), December 3-5, 2013, Austin, Texas, 699-702
- Country of Publication:
- United States
- Language:
- English
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