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Record W2518872776

On the accuracy of kinematic carrier phase DGPS for airborne mapping

2001· article· en· W2518872776 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.

venuePublished in a venue whose home country is Canada.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueGEOMATICA · 2001
Typearticle
Languageen
FieldSocial Sciences
TopicHistorical Geography and Cartography
Canadian institutionsnot available
Fundersnot available
KeywordsHumanitiesGeographyCartographyForestryArt
DOInot available

Abstract

fetched live from OpenAlex

Des estimations exactes de la position d'un avion sont necessaires pour les applications aeroportees, notamment celles qui font usage des systemes de navigation integres, des systemes de gravite et des systemes necessitant une reference spatiale en direct des mesures de detecteurs comme les cameras optiques ou numeriques, les scanners multi-spectraux, le radar a antenne synthetique et les lasers a balayage. Pour ces applications presentant les exigences les plus strictes, les mesures de phase de la porteuse obtenues du systeme de positionnement mondial en mode differentiel (DGPS) offrent les moyens de positionnement les plus exacts, fiables et rentables. La precision de ce type de positionnement cinematique est souvent percue comme etant entre le niveau du centimetre et du decimetre. L'objectif de cet article est de commenter sur l'exactitude de l'accomplissement de cette tâche dans des environnements qui sont caracteristiques des leves aeroportes. Cela est fait de deux facons. Premierement huit progiciels pertinents de l'industrie sont utilises pour traiter les deux memes jeux de donnees. Aspect etonnant, la comparaison des resultats de ce traitement donne des differences au niveau du metre, ne repondant pas directement a la question du degre de precision du DGPS aeroporte, mais indiquant certainement son degre d'imprecision. Deuxiemement, des exemples de l'influence de chacune des sources d'erreurs residuelles sont presentes a l'aide des memes jeux de donnees, d'un seul progiciel et de diverses strategies de traitement des donnees. Les resultats comprennent la quantification de l'effet de chaque source d'erreurs sur le positionnement cinematique aeroporte.

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)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.798
Threshold uncertainty score0.685

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.037
GPT teacher head0.318
Teacher spread0.281 · 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