Matches in SemOpenAlex for { <https://semopenalex.org/work/W82999229> ?p ?o ?g. }
Showing items 1 to 73 of
73
with 100 items per page.
- W82999229 abstract "The quality of the laser point cloud georeferencing in airborne laser scanning missions is largely related to the quality of the GPS solution. The latter is obtained by post- processing the differential carrier-phase measurements in order to reach the required accuracy. This implies that errors or unacceptable quality in the gathered data that cause problems for the ambiguity resolution in the post- processing step are detected much later. The objective of this thesis is to investigate new concepts of GPS data quality monitoring and to improve the GPS solution by using RAIM and WAAS/EGNOS integrity enhancement techniques. To do that, quality check algorithms based on indicators such as the signal-to-noise ratio, the cycle slip detection results or the phase tracking loop output are proposed and successfully tested. Furthermore, a new global quality check algorithm based on RAIM and cycle slip detection has been designed and tested with a focus on the chances to resolve correctly the ambiguities during the carrier-phase post-processing. The algorithms are implemented in a real- time quality check tool developed in a C/C++ environment whose performance shows that the provided quality indications enhance the GPS integrity by providing crucial information on the signal quality during the flight. This information enables problematic epoch identification and warns immediately the mission operator about problematic flightlines that should be flown again. This avoids final product quality degradation or expensive mission repetition. The thesis also presents the design of an RTK- GPS on-board solution via radio communication channel. The design has been tested during a flight and the results show that a sub-decimetric accuracy can be reached by this mean. The potential of using such a solution is high since this provides ultimate integrity test for phase data. Also, as the final laser point cloud has been georeferenced quite accurately using the real-time sensor observations and Kalman filtering, the economical gain of avoiding post- processing is substantial." @default.
- W82999229 created "2016-06-24" @default.
- W82999229 creator A5033612355 @default.
- W82999229 creator A5039838503 @default.
- W82999229 date "2008-01-01" @default.
- W82999229 modified "2023-09-27" @default.
- W82999229 title "GPS/INS Integrity in Airborne Mapping" @default.
- W82999229 cites W2132639726 @default.
- W82999229 cites W2368867107 @default.
- W82999229 hasPublicationYear "2008" @default.
- W82999229 type Work @default.
- W82999229 sameAs 82999229 @default.
- W82999229 citedByCount "0" @default.
- W82999229 crossrefType "journal-article" @default.
- W82999229 hasAuthorship W82999229A5033612355 @default.
- W82999229 hasAuthorship W82999229A5039838503 @default.
- W82999229 hasConcept C127413603 @default.
- W82999229 hasConcept C12957241 @default.
- W82999229 hasConcept C14279187 @default.
- W82999229 hasConcept C176217482 @default.
- W82999229 hasConcept C198613851 @default.
- W82999229 hasConcept C205649164 @default.
- W82999229 hasConcept C21547014 @default.
- W82999229 hasConcept C24756922 @default.
- W82999229 hasConcept C2777559092 @default.
- W82999229 hasConcept C41008148 @default.
- W82999229 hasConcept C60229501 @default.
- W82999229 hasConcept C62649853 @default.
- W82999229 hasConcept C76155785 @default.
- W82999229 hasConcept C79403827 @default.
- W82999229 hasConcept C94821174 @default.
- W82999229 hasConceptScore W82999229C127413603 @default.
- W82999229 hasConceptScore W82999229C12957241 @default.
- W82999229 hasConceptScore W82999229C14279187 @default.
- W82999229 hasConceptScore W82999229C176217482 @default.
- W82999229 hasConceptScore W82999229C198613851 @default.
- W82999229 hasConceptScore W82999229C205649164 @default.
- W82999229 hasConceptScore W82999229C21547014 @default.
- W82999229 hasConceptScore W82999229C24756922 @default.
- W82999229 hasConceptScore W82999229C2777559092 @default.
- W82999229 hasConceptScore W82999229C41008148 @default.
- W82999229 hasConceptScore W82999229C60229501 @default.
- W82999229 hasConceptScore W82999229C62649853 @default.
- W82999229 hasConceptScore W82999229C76155785 @default.
- W82999229 hasConceptScore W82999229C79403827 @default.
- W82999229 hasConceptScore W82999229C94821174 @default.
- W82999229 hasLocation W829992291 @default.
- W82999229 hasOpenAccess W82999229 @default.
- W82999229 hasPrimaryLocation W829992291 @default.
- W82999229 hasRelatedWork W109155299 @default.
- W82999229 hasRelatedWork W1974003383 @default.
- W82999229 hasRelatedWork W1985183113 @default.
- W82999229 hasRelatedWork W1985424898 @default.
- W82999229 hasRelatedWork W2014567673 @default.
- W82999229 hasRelatedWork W2042163232 @default.
- W82999229 hasRelatedWork W2052801843 @default.
- W82999229 hasRelatedWork W2077674366 @default.
- W82999229 hasRelatedWork W2078546812 @default.
- W82999229 hasRelatedWork W2113745716 @default.
- W82999229 hasRelatedWork W2148222521 @default.
- W82999229 hasRelatedWork W2187970093 @default.
- W82999229 hasRelatedWork W2245704422 @default.
- W82999229 hasRelatedWork W2362031179 @default.
- W82999229 hasRelatedWork W2382199832 @default.
- W82999229 hasRelatedWork W2569497823 @default.
- W82999229 hasRelatedWork W3044985630 @default.
- W82999229 hasRelatedWork W45260879 @default.
- W82999229 hasRelatedWork W797863759 @default.
- W82999229 hasRelatedWork W922437458 @default.
- W82999229 isParatext "false" @default.
- W82999229 isRetracted "false" @default.
- W82999229 magId "82999229" @default.
- W82999229 workType "article" @default.