An unattended verification station for UF6 cylinders: Field trial findings

Walnut Rootstock Trial - Westside Field Station

Field Trial with a Gsm/dcs1800 Smart Antenna Base Station

We present measurement results with a GSM1800 smart antenna base station. The base station is equipped with an adaptive antenna array processor that allows in every GSM frame full beam adaptation in uplink and downlink. The smart antenna processing is based on the estimation of the directions of arrival in uplink. It includes separate DOA trackers for uplink and downlink, angular diversity, and...

IAEA-CN-220-279 Alternatives to Truncated Multiplicity Analysis to Improve Verification of Uranium Fuel Cycle Materials

More accurate verification of U enrichment and mass in UF6 storage cylinders and of UO2F2 holdup contained in process equipment is needed to improve international safeguards and nuclear material accountancy at uranium enrichment plants. Small UF6 cylinders (1.5” and 5” diameter) are used to store the full range of enrichments from depleted to highly-enriched UF6. For independent verification of...

Anomaly Detection for Data Reduction in an Unattended Ground Sensor (UGS) Field

An algorithm for localization of cylinders by reflection mode scattered field

The problem of localizing perfectly electrical conducting cylinders of arbitrary radius is dealt with in a two dimensional geometry. A reflection mode multi-frequency multi-bistatic configuration is considered, and a linear inversion algorithm based on the truncated singular values decomposition is proposed. The algorithm is validated against simulated data, and the effect of errors in the know...