[PDF] Top 20 Bol. Ciênc. Geod. vol.21 número3

... In fact, the solutions (3) and (21) are identical, where the former equation is derived based on the Gauss-Markov adjustment model, which is a particular case of the Gauss-Helmert adjustment models. Another ... See full document

... A series of experiments are provided in the following three sub-sections, including the description and registration of geospatial service taxonomy, the registration[r] ... See full document

... Various surfaces fitting using the plane coordinates of the reference points and analysis with different buffers were used to determine the geoid undulation Taiwan.. The resul[r] ... See full document

... Stereo-graphic, Equi-distant, Orthogonal and Equi-solid-angle projections presented similar results even considering that Bower-Samyang fisheye lens was built based on [r] ... See full document

... The results of distance measurements for plates of different colour, depending on the incidence angle and surface roughness, after reducing the impact of systematic errors, a[r] ... See full document

... Georeferencing of a scanned map depends on many factors such as; the scale of the map, the resolution of the image, the number of control points (NCP), the chosen coordi[r] ... See full document

... The mean values of outward run and return run of this leveling network (Fig.1) were firstly analyzed by employing the classical approach with two main approaches such as T[r] ... See full document

... Based on these selected observations, the output model (hypothetical) is estimated. If one or both of selected points are burdened with outliers, then hypothetical model won’[r] ... See full document

... The study area includes the beaches of Pina and Boa Viagem, located in the southern Recife coast and Piedade that is situated in the northern coast of Jaboatão Guararapes,[r] ... See full document

... first obtained the creep deformation in a large-span reinforced concrete beam, then steel beam-column connections, and lastly the deformations in a pedestrian bridge using photogramme[r] ... See full document

... The available accuracy model of GPS precise point positioning (PPP) was not reflecting the reality because the modelling was based on NASA, JPL’s legacy products, and newly[r] ... See full document

... RGNS should select scales for maps which supports drivers to quickly identify direction of the maneuver and, simultaneously, get information about surroundings of route.. More results [r] ... See full document

... The factors that influence the accuracy of coordinate of a point considered in this paper are: (a) distance and geometry among the RBMC stations, (b) quality of the data and (c) horizon[r] ... See full document

... It was demonstrated that the differences between both methods for terrain correction determinations exceed 15 mGals in the southwest part of Tierra del Fuego island (Figure 6a).. In th[r] ... See full document

... No Artigo PPP COM INTEGRAÇÃO DE DADOS GPS/GLONASS: FUNDAMENTOS ENVOLVIDOS E ANÁLISE DE ACURÁCIA, com número de DOI 10.1590/S1982- 21702016000200012, publicado no periódico Boletim de Ciências Geodéscias, Vol 22 n° ... See full document

... Para isto, três grupos de variáveis gerados a partir de cada imagem foram avaliados, sendo: (1) composto somente pelas bandas espectrais puras; (2) composto pelas métricas texturais GL[r] ... See full document

... The result of evaluating the quality of absolute positional accuracy in relation to the planimetric error of the dataset is expressed in quantitative and tabular values, present in each[r] ... See full document

... Visando uma análise da precisão e acurácia dos métodos de posicionamento planimétrico empregados na embarcação (DGPS/RTK, MPRC e PPP, no sistema de referência SIRGAS 2000 ép[r] ... See full document

... Herein, we present a rigorous approach of the reconstruction of the Greek official reference frame based on the modern geodetic reference frames and their ability to express the spatia[r] ... See full document

... The general aim of this paper is to present a computer program that was developed for spatial data (maps and others) quality control analysis and the construction of operational curves [r] ... See full document