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Record W201584730

Improvement of GPS phase ambiguity resolution using prior height information as a quasi-observation.

2002· article· en· W201584730 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 · 2002
Typearticle
Languageen
FieldEngineering
TopicGNSS positioning and interference
Canadian institutionsnot available
Fundersnot available
KeywordsHumanitiesPhilosophy
DOInot available

Abstract

fetched live from OpenAlex

La resolution des ambiguites sur les phases du GPS sur L1 est toujours difficile pour l'arpentage cinematique, particulierement lorsque la ligne de base est longue. Une approche interessante consiste a combiner les observations GPS a l'information d'autres systemes d'arpentage ou d'autres sources pour ameliorer la resolution des ambiguites. En leves bathymetriques, l'information anterieure sur la hauteur peut etre obtenue a partir de maregraphes. La presente recherche est entreprise pour etudier comment utiliser l'information anterieure sur la hauteur et comment obtenir une solution stable. Il s'agit d'une methode qui utilise la hauteur anterieure comme une quasi-observation. Celle-ci est ensuite utilisee dans la compensation avec les observations GPS. Dans cette contribution, un algorithme est d'abord developpe pour le calcul de compensation avec la quasi-observation. La capacite de la quasi-observation d'ameliorer la technique de recherche est ensuite etudiee en detail. Les resultats montrent que non seulement la quasi-observation peut renforcer les tests pour eliminer les solutions incorrectes, mais elle peut aussi changer avantageusement la structure de l'espace de recherche des ambiguites. La stabilite de la methode est egalement examinee. Enfin, des tests sur place sont entrepris pour demontrer que l'approche proposee est efficace. Les resultats des tests montrent que pour les leves bathymetriques dans le fleuve Saint-Laurent, si la technique d'interpolation de la maree est utilisee et si l'assise, le tangage et le tirant d'eau du bateau sont consideres, une precision de la hauteur anterieure (σ Hpr ) de 10 ou 20 centimetres peut etre selectionnee.

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: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.874
Threshold uncertainty score0.361

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 head0.026
GPT teacher head0.242
Teacher spread0.215 · 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