| The Government of the United States as represented by the U. S. Navy Patent applications |
| Patent application number | Title | Published |
|---|
| 20100033378 | Histogram for Ambiguity Visualization and Evaluation (HAVE) - A method is provided for constructing a histogram to represent the root-mean-squared phase differences for a signal received at pairs of elements in an array. A pair-wise element phase difference (“PEP”) between a signal received at an angle of arrival θ | 02-11-2010 |
| 20100033377 | Sparse Interferometric Array for Radio Frequency Azimuth Direction Finding - A sparsely populated array of antenna elements on a plane is provided such that the angle of arrival (AoA) measurement for a radiofrequency signal received by the array has high resolution and is non-ambiguous within a 360-degree azimuthal field of view. The array comprises a two-dimensional antenna array developed using fuzzy genetic logic based on specified criteria. In response to one specified set of criteria, the array comprises having a first large element formation combined with a second smaller element formation. The first large element formation supports high DF accuracy while the second smaller cluster facilitates ambiguity resolution. | 02-11-2010 |
