Discrimination of subsurface targets with a plane of symmetry using polarimetric bistatic radar
Why this work is in the frame
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Bibliographic record
Abstract
The so called vampire signature effect introduced by Baum [I][2] whereby the monostatic backscattered fields measured from a point on the target symmetry plane exhibit no cross-polarized response in the far field is extended to the case of bistatic measurements in the near field. The principle is applied to GPR in a series of polarimetric SAR measurements to differentiate between buried landmines, which are generally geometrically symmetric, and random clutter, which is generally asymmetric. A method is proposed to utilize the vampire signature as a feature to enhance GPR images to achieve landmine detection. The method is applicable to targets that possess one or more planes of symmetry when both transmit and receive antennas are located on the symmetry plane. Experimental results taken in a controlled sand-box environment are shown to verify the proposed method and the receiver operating characteristic (ROC) for the method is shown.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it