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Tytuł:
Optimization Method Based on Minimization M-Order Central Moments Used In Surveying Engineering Problems
Autorzy:
Cellmer, Sławomir
Bobojć, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2069748.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
Least Squares method
Newton method
objective function
m-estimation
surveying engineering
Opis:
A new optimization method presented in this work – the Least m-Order Central Moments method, is a generalization of the Least Squares method. It allows fitting a geometric object into a set of points in such a way that the maximum shift between the object and the points after fitting is smaller than in the Least Squares method. This property can be very useful in some engineering tasks, e.g. in the realignment of a railway track or gantry rails. The theoretical properties of the proposed optimization method are analyzed. The computational problems are discussed. The appropriate computational techniques are proposed to overcome these problems. The detailed computational algorithm and formulas of iterative processes have been derived. The numerical tests are presented, in order to illustrate the operation of proposed techniques. The results have been analyzed, and the conclusions were then formulated.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2021, 24(1); 39--49
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of thermography in engineering measurements
Autorzy:
Wróbel, A.
Powiązania:
https://bibliotekanauki.pl/articles/225027.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
termografia
pomiary inżynieryjne
pomiary geodezyjne
thermography
engineering measurements
engineering surveying
Opis:
- Existing thermographic equipment provides tools for quick and accurate recording of temperature distribution on object surfaces. - Usage of image analysis methods commonly used for photogrammetry and remote sensing provides tools for making accurate maps of temperature distribution on chosen, characteristic surfaces. - Documentation of thermal condition of new buildings should be a mandatory part of the post-construction documentation. - Real-world thermal resistance of buildings should be a factor during assertion of fulfilment of the architectural project and during valuation of buildings.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 409-416
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality analysis testing for quantifying reliability properties
Autorzy:
Nowak, E.
Powiązania:
https://bibliotekanauki.pl/articles/224518.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
kryterium niezawodnościowe
projektowanie niezawodnościowe
pomiary geodezyjne
reliability criterion
engineering surveying
Opis:
Quality control generally requires data of higher quality to quantify the error in any measured quantity. The following work shows that the Proszyhski Reliability Criterion (PRC) is fulfilled if the measurement variance is greater than its prediction function based on the remaining observations. The partial derivatives with respect to the parameters of the residuals' equations are taking the role of the observations within the system. Therefore the prediction variance can be measured. If the prediction function is bounded then a reliable observational system (i.e. each observation has fulfilled the PRC) can be achieved.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 203-210
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of engineering geodesy in ensuring safety of engineering constructions - general approach
Autorzy:
Ney, B.
Powiązania:
https://bibliotekanauki.pl/articles/224520.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
bezpieczeństwo konstrukcji
konstrukcje inżynierskie
pomiary geodezyjne
constructions safety
engineering constructions
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 199-201
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Serviceability problem of levelling networks based on the example of Bydgoszcz network
Autorzy:
Derezińska, A.
Kujawski, E.
Powiązania:
https://bibliotekanauki.pl/articles/224371.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
sieć niwelacyjna
Bydgoszcz
pomiary geodezyjne
levelling net network
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 55-59
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geodesy monitoring of deflexion of a crane of suspension roof of a hall - conception, constructing solution and test measurements of measuring system
Autorzy:
Bryś, H.
Ćmielewski, K.
Kowalski, K.
Powiązania:
https://bibliotekanauki.pl/articles/224424.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
kamera CCD
dźwigar
pomiary geodezyjne
CCD camera
crane
engineering surveying
Opis:
A set of measuring system with use of laser technique and CCD converter connected to the computer presented in the study, carries out remote and automatic observation of deflection of carrier of rafter framing. Test measurements of simulated shifts of the prototype of photo-detection CCD receiver allowed initial definition of accuracy of the measurements of the situation of energetic middle of laser beam. From numerous measurements for the distance of 14 ma and vertical shifts within 35 mm, the maximal error equaled 0,04 mm and for 28 m it was 0,09 mm. Fluctuation effect of the situation of energetic middle of laser beam registered by measuring receiver in 10 seconds was also researched. Quickly changing variations of beam situation consisted in the range of 22,45 to 22,71 mm. Dispersion of vertical situation of laser spot did not exceed 0,26 mm. Registration and averaging of geometric middle of laser spot can be made with unrestricted time step.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 33-38
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Making it Happen building and developing track quality measuremen (TQM) trolley
Autorzy:
Len, E.
Powiązania:
https://bibliotekanauki.pl/articles/224530.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
TQM
pomiary geodezyjne
track quality measurement
TQM trolley
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 161-167
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research the Integration of Geodetic and Geotechnical Methods in Monitoring the Horizontal Displacement of Diaphragm Walls
Autorzy:
Pham, Quoc Khanh
Tran, Ngoc Dong
Nguyen, Thi Kim Thanh
Pham, Van Chung
Powiązania:
https://bibliotekanauki.pl/articles/2020165.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Przeróbki Kopalin
Tematy:
deformation monitoring
diaphragm wall
engineering surveying
soft ground
deformacje
monitoring
grunt
Opis:
This article investigates the integration of geodetic and geotechnical methods for monitoring the horizontal displacement of diaphragm walls. The results show that when the horizontal displacement is measured by the geotechnical method using an inclinometer sensor, the center point at the bottom of the guide pipe is usually chosen to be the origin to calculate displacements of the upper points. However, it is challenging to survey the bottom point for checking its stability directly. If this bottom point moves, the observation results will be incorrect. Thus, the guide pipe must be installed in the stable rock layer. But in the soft ground, this rock layer locates more deeply than the diaphragm walls, so the guide pipe cannot be laid out at the required location. Geodetic methods can directly observe the displacement of the center point on the top of the guide pipe with absolute displacement values at high accuracy. Because the displacements of observation points are determined at stable benchmarks, these values are considered the pipe's displacement. Thus, an integrated solution allows the center point on the top of the pipe to be the origin to calculate the displacements of different points located inside the diaphragm wall. Then, the calculated values are calibrated back to the inclinometer observed values to achieve highly reliable displacement, which reflects the moving of diaphragm walls. An experiment integrating the geodetic and geotechnical methods is conducted with an observation point at a depth of 20 meters at a construction site in Ho Chi Minh city. The deviations of the top point that are observed by the two methods are -4.37 millimeters and -3.69 millimeters on the X-axis and the Y-axis, respectively. The corrected observed results prove that the integrated solution has a good efficiency in monitoring the horizontal displacement of diaphragm walls. The bottom point observed by an inclinometer is unconfident enough to choose to be a reference point.
Źródło:
Inżynieria Mineralna; 2021, 2; 331--340
1640-4920
Pojawia się w:
Inżynieria Mineralna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The problem of validity of benchmark elevations for general engineering tasks in urbanised areas on the example of vertical benchmark network in the city of Wroclaw
Autorzy:
Grzempowski, P.
Mąkolski, K.
Powiązania:
https://bibliotekanauki.pl/articles/224383.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
znak wysokościowy
sieć wysokościowa
Wrocław
pomiary geodezyjne
benchmark elevation
engineering surveying
Opis:
To carry out many surveying operations, one requires, apart from location determined in horizontal plane also elevation of selected points in a project. In the case of work realised over a large area, particularly if the object to be measured is of elongated shape, these tasks are performed in relation to a greater number of national network benchmarks. At that point control of benchmarks locations in relation to one another and determination of the most reliable reference frame for surveying tasks are required. The need to carry out such control will be proved in this paper on the example of historical changes of benchmark ordinates of vertical network in the city of Wroclaw.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 91-101
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Deformations of selected engineering structures and some reasons of its occurrence
Autorzy:
Kurałowicz, Z.
Powiązania:
https://bibliotekanauki.pl/articles/224534.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
przemieszczenia budowli
podłoże budowli
pomiary geodezyjne
structures deformations
foundation
engineering surveying
Opis:
In the paper the problem of lateral impact of weak soil layer on piles is discussed and analysed from the view point of measurements of deformations of structures founded on piles and of the prediction of its development in the future. Selected model test results are described and compared with numerical simulations. Additionally, basic principles of non-invasive electromagnetic method for measurement of deflection of abutments piles, developed by the author, is also presented.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 153-159
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Procedures for accuracy assessment of electronic tacheometers as used in fieldwork conditions in accordance with ISO standards
Autorzy:
Pawłowski, W.
Powiązania:
https://bibliotekanauki.pl/articles/224474.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
tachymetr elektroniczny
praca w terenie
pomiary geodezyjne
electronic tacheometer
fieldwork
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 251-258
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Example of foundations deformation process based on the altimeric surveys
Autorzy:
Mroczkowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/224522.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
deformacja fundamentów
pomiary wysokościowe
pomiary geodezyjne
foundations deformation
altimeric surveys
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 193-197
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evolution of methodology of preparing data for setting-out and final checking of constructions of complex shapes
Autorzy:
Markiewicz, M.
Stasiewicz, M.
Pyra, G.
Powiązania:
https://bibliotekanauki.pl/articles/224528.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
konstrukcje nietypowe
Most Świętokrzyski
pomiary geodezyjne
untypical constructions
Świętokrzyski Bridge
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 169-178
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Deterministic modelling of deformations as a tool for designing geodetic monitoring schemes
Autorzy:
Szostak-Chrzanowski, A.
Chrzanowski, A.
Bond, J.
Powiązania:
https://bibliotekanauki.pl/articles/225017.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
monitoring przemieszczeń
pomiary geodezyjne
monitoring of displacements
geodetic deformation monitoring
engineering surveying
Opis:
The design of geodetic deformation monitoring schemes requires decisions to be made regarding the optimal location, density, and accuracy of geodetic sensors and targets. All too often, however, the location of the instruments and accuracy of monitoring are decided upon without regard for the expected location and magnitude of the maximum deformations of the monitored object. This can lead to incorrect interpretations of the behavior of the investigated object. A more rigorous approach is to use deterministic (a-priori) modeling of expected displacements derived from the knowledge of the geometry of the object and its environment, causative factors (loads), properties of the material, and physical laws governing the stress-strain relationship. In order to demonstrate how deterministic modeling can be used to design a geodetic scheme for deformation monitoring, an open pit mine scenario was investigated. Finite element analysis was applied to the open pit mine to obtain a prediction model of deformations at various stages of the mine development.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 337-344
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experiences related to utilisation of laser scanning for engineering surveying tasks (verification of accuracy capabilities)
Autorzy:
Falkowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/224369.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
skaning laserowy
skaner laserowy
pomiary geodezyjne
laser scanning
laser scanner
engineering surveying
Opis:
The presented results of investigation of accuracy point out that the laser scanning technology may be applied for such measurements where the highest accuracy of coordinates determination is not required. Performed tests also proved that in the course of utilisation of the laser scanner measurements various factors, which influence the accuracy of obtained results, should be considered. Specific characteristics of the output product of laser scanning (i.e. the cloud of points) are also very important. Though high density of the cloud occurs, the possibility to improve interpretation capabilities through utilisation of the intensity image (or digital photographs) and high accuracy of determination of co-ordinates of an individual point within that cloud, the accuracy of identification of particular points and lines within that object is limited. This results in the necessity to change the measurement methodology and to focus on detection of surfaces and automatic identification of shapes, instead of identification of individual points. In such approach to determination of the object's shape, many points are used, what allows for better identification of the object and to decrease the influence of incidental errors. A separate issue, which influences the accuracy of measurements performed by means of a laser scanner, is the possibility to eliminate instrumental errors in post-processing. It has been stated that utilisation of corrections due to non-perpendicularity of axes and corrections for distance measurements allows to increase the accuracy of co-ordinates measurements by approximately 10 - 15 %.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 61-67
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Forecasting of vertical displacements based on a time series
Autorzy:
Gadomski, J.
Gadomska, M.
Kumor, M. K.
Powiązania:
https://bibliotekanauki.pl/articles/224389.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
przemieszczenia pionowe
szeregi czasowe
pomiary geodezyjne
vertical displaceents
time series
engineering surveying
Opis:
Before research, a graphical analysis of time series is important to carry out because the configuration of empirical points in a proper Cartesian coordinate system enables one to make a decision which class the researched trend function belongs to. When verifying the model it should be checked whether received values of structural parameters estimation are reasonable. The method of extrapolation of time series can be used to forecast only in case when the mechanism of development of the researched effect does not change in time considerably or in case if the mechanism of development of the researched effect is not known and we cannot recognize it. The forecast horizon can be dependent on inertia of researched variables. For variables with a big inertia the forecast horizon can be considerably longer. Longer forecast horizon corresponds with less probability of occurrence of the provided state and simultaneously certainty of the forecast is less. Another question is a stability of the model. It does not mean that the model will be stable after the period the model was estimated, i.e. it will be stable in future. Adaptive models are useful in case of lack of stability in the researched period. Forecast procedures based on those models assume that the effect intensification in time can be segmental, i.e. "smooth", only in some intervals of time. Such models are particularly important for short-term forecasts. Taking one of the following models into account depends on: - clear interpretation of model's parameters, - possibility of a simple estimation of the model's parameters, - the level of accuracy that the model describes the effect's development in time. It should be noticed that building a "good" model describing the given effect on the base of data from the past not always can be proper in future. To enlarge forecast certainty (especially for short time series) several forecasting methods should be used and their results should be compared.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 69-74
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The georadar method: an assessment of efficiency of subsurface conduits position determination on selected test fields
Autorzy:
Ortyl, Ł.
Sołtys, M.
Powiązania:
https://bibliotekanauki.pl/articles/224456.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
przewód pdziemny
metoda georadarowa
pomiary geodezyjne
subsurface conduit
georadar method
engineering surveying
Opis:
The paper presents results of georadar positioning of a set of subsurface conduits, together with an assessment of efficiency of their detection. The measurements on test fields were performed with the RAMAC/GPR georadar, produced in Sweden by the Mala GeoScience Company. Numerous radargrams were properly processed with an optimal filtering sequence, aimed at production of a readable image of the detected conduits. The results were assessed also from the efficiency point of view of the subsurface structure detection method. The phenomenon of signal polarization, which helps to distinguish metallic and plastic conduits, is also discussed. Elements of surveying and computational procedures, leading to completion of content of digital thematic maps by the georadar sensing integrated with GPS positioning, are also given.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 225-232
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Deformation measurement of the roof construction of pavilion "z" at BRNO trade fair grounds
Autorzy:
Weigel, J.
Svabensky, O.
Soukup, F.
Powiązania:
https://bibliotekanauki.pl/articles/224991.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
dach
dach budowli
pomiary geodezyjne
roof
roof construction
pavillion "z"
engineering surveying
Opis:
Brno Trade Fair grounds belong to the largest ones in Czech Republic. Dominating the grounds is the ,"Z" pavilion of circular shape, covered over by steel grill dome with 93,5 m diameter. The pavilion was built up in 1958 after design of Prof. Lederer of Brno. BUT Department of geodesy had been measuring the deformations of the roof construction in course of the maintenance works in period December 2005 - July 2006. In course of altogether 8 measuring epochs the vertical and radial deformations of the construction caused by temperature changes, snow loading, and maintenance works influences had been determined. In the contribution the measuring methods employed, and the results of 8 epochs of the deformation surveys are presented.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 381-386
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The suitability of angle measurements made with steep targets for determining spatial positions of points
Autorzy:
Odziemczyk, W.
Powiązania:
https://bibliotekanauki.pl/articles/224458.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
teodolit prezyzyjny
tachymetr
pomiary geodezyjne
precise theodolites
geodesic measurements
angle measurements
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 217-223
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Documentation of the Location and Directions of Stay - Cables Pipes in Road Bridge Pylons
Autorzy:
Jóźwik, M.
Jaśkowski, W.
Powiązania:
https://bibliotekanauki.pl/articles/224489.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
most
wspornik mostu
pomiary geodezyjne
bridge
bridge pylon
cable-stay pipe
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 129-134
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Control network analysis of the dam "Wióry"
Autorzy:
Walo, J.
Szpunar, R.
Woźniak, M.
Powiązania:
https://bibliotekanauki.pl/articles/225005.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
zapora ziemna
sieć kontrolna
Wióry
pomiary geodezyjne
earth dam
control network
engineering surveying
Opis:
The obtained results of the test measurements in the control network of the dam Wióry show that combined usage of length measurements and GPS observations enables to obtain high accuracy and reliability in defining point coordinates. The real determination accuracy of checkpoint displacements in this type of networks is at the level of (plus minus) 2-3mm. However, it should be added that in small networks covering an area up to 1 km in radius, classical measurements (most of all, length measurements) enable to obtain higher accuracies in determining point coordinates, obviously on condition that the net structure is well-designed and length measurement is possible. Having analyzed the obtained results, one can also formulate the following conclusions: - the assumed structure of a modified test network shows effective accuracy both for EDM measurements and GPS observations, - satellite measurements enable combined and direct observation of points between which there is no sight line. It is especially important in the case of reference points which are usually located around the monitored object, and it is rarely possible to link them by means of classical measurements; - GPS measurements make it possible to check the monitored network independently, at least limiting the incidence of major and systematic errors in processing the results and defining displacement values; so GPS observations may, in the case of small control networks, be treated as control measurements made periodically (e.g. every year); - accuracy assessment made for TDA5005 tachymeter observations even in the case of considerable target inclinations, made by means of standard reflectors, attested reflexive foil and CCR fulfills monitoring requirements of specific point (targets), enabling to obtain an accuracy of the (plus minus) 0.5 mm range in relation to reference points; - linear measurements in the test network of Wiory, made by means of a TDA5005 tachymeter and high precision reflectors can be accomplished within 2-3 days.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 376-380
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On integration of multiple-source data in geodetic monitoring of structural displacements
Autorzy:
Prószyński, W.
Powiązania:
https://bibliotekanauki.pl/articles/225058.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
przemieszczenia budowli
monitoring przemieszczeń
pomiary geodezyjne
structure displacements
monitoring of displacements
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 275-285
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technologia zintegrowanych pomiarów klasycznych i satelitarnych GPS
Technology of classical and satellite integrated measurement
Autorzy:
Krzan, G.
Powiązania:
https://bibliotekanauki.pl/articles/210737.pdf
Data publikacji:
2013
Wydawca:
Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:
geodezja inżynieryjna
GPS
tachimetria
Smart Station
pomiary zintegrowane
Engineering Surveying
tacheometry
integrated measurements
Opis:
Integracja klasycznych i satelitarnych technik pomiaru znajduje coraz szersze zastosowanie w precyzyjnych pomiarach geodezyjnych. Połączenie zalet obu metod stanowi kolejny krok w wydajności i automatyzacji prac polowych geodety. Niniejsza praca przedstawia ideę i główne założenia pomiarów zintegrowanych, jako metody łączącej pomiary klasyczne i satelitarne GPS. Ponadto dokonano analizy dokładności wyznaczenia współrzędnych stanowiska tachimetrycznego metodą przestrzennego wcięcia wstecz, będącego istotnym elementem pomiaru zintegrowanego. Otrzymane wysokie dokładności pozwalają na pominięcie w pomiarach czasochłonnego procesu zakładania osnów pomiarowych i zastąpienie ich pomiarem zintegrowanym.
Integration of classical and satellite measurement techniques is becoming widely used for high-precision geodetic measurements. Combination of advantages of both methods of measurement represents another step in performance and automation of field surveys. This article presents the idea and main characteristics of integrated measurement. It also compares integrated measurements with separated methods of classical and satellite measurements. In addition, the process and results of determining operating position by 3D resection were demonstrated. The obtained results allow us to undermine validity of setting up measurement control networks in areas with insufficient density of survey points.
Źródło:
Biuletyn Wojskowej Akademii Technicznej; 2013, 62, 4; 47-61
1234-5865
Pojawia się w:
Biuletyn Wojskowej Akademii Technicznej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The hopfield neural network in the aspect of the stabilization of the displacement phenomenon
Autorzy:
Gil, J.
Mrówczyńska, M.
Powiązania:
https://bibliotekanauki.pl/articles/224387.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
sieci neuronowe typu Hopfielda
pomiary geodezyjne
Hopfield neural network
displacement phenomenon
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 75-80
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A prototype of a rail stand for measuring geometric parameters of overhead travelling crane tracks
Autorzy:
Anigacz, W.
Powiązania:
https://bibliotekanauki.pl/articles/224432.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
szyna
tor posuwnicowy
tor jezdny
pomiary geodezyjne
rail
crane track
rail stand
engineering surveying
Źródło:
Reports on Geodesy; 2007, z. 1/82; 9-12
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
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