Application of neural networks to 3g power amplifier modeling
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Bibliographic record
Abstract
In this paper a real-valued time-delayed neural network (RVTDNN) is utilized to build a baseband behavioral model of a 3G power amplifier. Based on the inphase and quadratic components of the input and output signals of a high power amplifier, a three-layer RVTDNN is firstly trained in Matlab and then implemented in Agilent design system software. In order to speed up the training process, a second-order learning algorithm namely scaled conjugate gradient method (SCGM) is employed to extract the RVTDNN model parameters (weights and biases). The comparison of the simulation based results to the measured ones reveals the strong ability of the identified RVTDNN to accurately predict the dynamic nonlinear behavior of a 90-Watt LDMOS power amplifier under a two-carrier 3GPP-FDD excitation signal.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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