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Record W2132282410 · doi:10.1109/milcom.1989.104049

Consistent estimation models for the fine time synchronization of FH systems

2003· article· en· W2132282410 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicAdvanced Adaptive Filtering Techniques
Canadian institutionsCommunications Research Centre Canada
Fundersnot available
KeywordsAdditive white Gaussian noiseNoise (video)JammingComputer scienceFilter (signal processing)Synchronization (alternating current)White noiseStandard deviationGaussian noiseAlgorithmNoise reductionStatisticsMathematicsTelecommunicationsArtificial intelligence

Abstract

fetched live from OpenAlex

Four basic estimation methods are discussed, namely the delay-advance method, the early-late filter method, a modified early-late filter method, and the novel two-tone method. These methods all use noise power estimation in a frequency bin not occupied by a signal; this estimate is then used to reduce the bias and make the estimate of the time error consistent. Simulation results on the performance of these four methods obtained using the bias reduction (BR) technique are given. The simulation results are for AWGN (additive white Gaussian noise) only, which represents system noise and noise jamming across the entire band. The BR technique is shown to reduce the bias and make the estimates consistent for all four basic methods. Although the BR also increases the standard deviation, the decrease in bias more than offsets the effect of increased standard deviation. The best overall performance is achieved with the modified early-late filter method.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Methods · Consensus signal: none
Teacher disagreement score0.895
Threshold uncertainty score0.191

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.018
GPT teacher head0.223
Teacher spread0.205 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Quick stats

Citations8
Published2003
Admission routes1
Has abstractyes

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