Relevant bibliographies by topics / Digital levelling

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Digital levelling'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Digital levelling"

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El-Ashmawy, Khalid L. A. "ACCURACY, TIME COST AND TERRAIN INDEPENDENCE COMPARISONS OF LEVELLING TECHNIQUES." Geodesy and cartography 40, no. 3 (2014): 133–41. http://dx.doi.org/10.3846/20296991.2014.962727.

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Levelling techniques is classified as geometric levelling, trigonometric levelling and GPS/Levelling depending on used instruments or the methods applied. Accuracies of geometric levelling with using three equipments (Leica NA-720 optical level, Topcon RL-VH4G2 laser level and Leica NA-3003 digital level), the trigonometric levelling with using two equipments (Topcon GTS710 total station and Topcon Imaging Station) and GPS/levelling with using Sokkia GSR2600 receiver were investigated to determine their performances against precise levelling that yields the most precise results. For this purpo
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Amerian, Y., and B. Voosoghi. "Least Squares Spectral Analysis for Detection of Systematic Behaviour of Digital Level Compensator." Journal of Geodetic Science 1, no. 1 (2011): 35–40. http://dx.doi.org/10.2478/v10156-010-0005-4.

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Least Squares Spectral Analysis for Detection of Systematic Behaviour of Digital Level CompensatorLevelling is the most precise technique for height difference measurements in geomatics engineering. Various systematic errors affect precise levelling observations and reduce the precision of the observed height differences. This study investigates digital levels residual compensator error and observational method for its elimination. For this purpose the levelling data, which was collected with Zeiss DiNi 12 digital levels, was analysed. There are different statistical and spectral methods that
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Giniotis, Vytautas, Donatas Rekus, and Česlovas Aksamitauskas. "ACCURACY CALIBRATION OF THE BARS OF LEVELLING METERS." Geodesy and cartography 33, no. 4 (2012): 102–5. http://dx.doi.org/10.3846/13921541.2007.9636728.

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Precision levelling is one of the most common geodetic measuring operations. The most modern geodetic instruments are quite sophisticated digital instruments that are supplied by photoelectric sensor arrays and optical–electronic cameras that fix the height values of terrain according to the position of the levelling meter that is placed on it. The marks on the levelling meters are also modified and consist of coded strokes put on the meter’s surface in a specific order. The accuracy of the performance of all the measuring equipment depends mostly on the accuracy of the position of those strok
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Rüeger, Jean M. "New Method of Recording and Processing Precise Digital Levelling Data." Australian Surveyor 44, no. 2 (1999): 165–73. http://dx.doi.org/10.1080/00050352.1999.10558792.

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Zang, Ying, Shibo Meng, Lian Hu, et al. "Optimization Design and Experimental Testing of a Laser Receiver for Use in a Laser Levelling Control System." Electronics 9, no. 3 (2020): 536. http://dx.doi.org/10.3390/electronics9030536.

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The elevation detection accuracy of the laser receiver in the laser levelling control system directly affects land-levelling operations. To effectively improve the effect of levelling operations and meet the requirements for the accuracy of elevation detection in different industries, this study optimization designed a multilevel adjustable laser receiver. First, we examined the laser signal detection technology and processing circuit, designed the photoelectric conversion array for the detection of the rotating laser, and converted it into a photocurrent signal. We also designed the filter, a
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Figiel, Wojciech. "Levelling the Playing Field with (In)accessible Technologies?" Między Oryginałem a Przekładem 24, no. 41 (2018): 75–88. http://dx.doi.org/10.12797/moap.24.2018.41.04.

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With the development of new technologies, the number of assistive devices/technologies at the disposal of persons with visual impairments has steadily grown. It would thus seem that translation professions have become more accessible. However, it seems that there is a growing gap between the competences indispensable for sighted and blind translators. The more technologically advanced the world of translators becomes, the more surplus technologies have to be mastered by the blind. And some of the digital tools which have become a blessing for sighted translators, such as CAT tools, are hardly
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Foo, Tun Lin, and M. Arul. "OSTEOCUTANEOUS VY FLAP TO PRESERVE LENGTH IN CORONAL OBLIQUE FINGERTIP AMPUTATION." Hand Surgery 18, no. 02 (2013): 297–99. http://dx.doi.org/10.1142/s0218810413970046.

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Radial or ulnar oblique amputations treated by nailbed levelling and local digital flap reconstruction can result in significantly shortened fingertip, narrowed pulp and nail shape distortion. A VY type flap containing bone, sterile matrix, and skin was conceptualised to restore nail and pulp contour for coronal oblique amputations. Technical details and a clinical case are discussed.
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Hirt, Christian, and Jakob Flury. "Astronomical-topographic levelling using high-precision astrogeodetic vertical deflections and digital terrain model data." Journal of Geodesy 82, no. 4-5 (2007): 231–48. http://dx.doi.org/10.1007/s00190-007-0173-x.

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Sjöström, L., and P. J. Haaland. "Luxation of the long digital extensor tendon as a complication to Tibial Plateau Levelling Osteotomy." Veterinary and Comparative Orthopaedics and Traumatology 20, no. 03 (2007): 224–26. http://dx.doi.org/10.1160/vcot-06-08-0064.

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SummaryCranial cruciate ligament disease in dogs is frequently treated with Tibial Plateau Levelling Osteotomy (TPLO). Herein we describe four cases of dogs presenting with sudden lameness in the operated leg one to 12 months post TPLO surgery. On examination, all of the dogs had a luxation of the long digital extensor tendon (LDE) resulting from the TPLO surgery. All of the dogs underwent revision surgeries. The LDE tendon was either secured in its normal position or transected, and a tenodesis was performed. The dogs recovered well after surgery and lameness was resolved in all four cases.
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Manukyan, Larisa Vladimirovna, Anush Ashotovna Margaryan, Suren Vladimirovich Tovmasyan, and Narine Vahanovna Harutyunyan. "CRUSTAL DISPLACEMENT BASED ON THREE STAGES GEODETIC STUDIES RESULTS IN SPITAK GEODYNAMIC POLYGON." EurasianUnionScientists 2, no. 6(75) (2020): 37–41. http://dx.doi.org/10.31618/esu.2413-9335.2020.2.75.832.

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A network of dual-frequency global navigation satellite systems and digital levelling instruments has been established around Spitak, Armenia with the goal of recording changes to the Earth’s crust near to this major earthquake zone. The study was initiated in response to the 1988 Armenian earthquake and is focused on the Sarighamish, Javakhet, Pambak-Sevan, Spitak and Akhuryan faults. Results demonstrate differential movement across fault zones that suggest monitoring of crustal change could be useful in the predicition of large earthquake events.
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Dissertations / Theses on the topic "Digital levelling"

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Nilsson, Mimmi. "Mätosäkerheter vid trigonometrisk höjdmätning : En jämförelse mellan ett avvägningsinstrument och en multistation." Thesis, Högskolan i Gävle, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-22072.

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Avvägning är den traditionella metoden för höjdmätning, medan trigonometrisk höjdmätningunderlättar vid höjdmätning på längre avstånd och vid kuperad terräng. Syftet med studien varatt undersöka mätosäkerheten vid trigonometrisk höjdmätning. Detta genom en jämförelsemed traditionell höjdmätning som utförts med ett finavvägningsinstrument samt hur mångahelsatser som krävs för att erhålla resultat med låg mätosäkerhet för trigonometriskhöjdmätning. Kravet som ställdes var 2 mm√L, där L är avvägningstågets längd i km.Mätningarna har genomförts i två tunnlar varav i den ena var markytan plan och i
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Faisal, Ali Ali, and David Wennberg. "Etablering av ett nytt höjdnät i RH 2000 vid Högskolan i Gävle." Thesis, Högskolan i Gävle, Samhällsbyggnad, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-35139.

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RH 2000 är Sveriges nationella höjdsystem och det bygger på den tredje precisionsvägningen som genomfördes i Sverige mellan 1979 och 2003. Nätet för RH 2000 har en starkare geometri och är mer homogent än vid de tidigare två precisionsavvägningarna och höjdnäten (RH 00, RH 70). Under de senaste 14 åren har mycket arbete lagts ned på att få kommuner, myndigheter och andra samhällsaktörer att byta till RH 2000, detta för att få enhetlighet och främja datautbyte. Nu har de flesta aktörer anslutit sig till det nya nätet, men det finns fortfarande de som använder de äldre r
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Book chapters on the topic "Digital levelling"

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"digital levelling instrument." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_42023.

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"digital levelling instrument system." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_42024.

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Conference papers on the topic "Digital levelling"

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Birvydienė, Rosita, Algirdas Butkus, Arūnas Būga, et al. "Final Results of Establishment of the Geodetic Vertical Second Order Network of Lithuania." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.166.

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The methodology of all kinds of geodetic measurements of the Geodetic Vertical Second Order Network, the information on the observation data received and main results of the accuracy estimation and adjustment of the network are presented. In 2006 the development of the Geodetic Vertical First Order Network of Lithuania was completed. It was the basis to adopt the Height System of Lithuania (LAS07). The densification of the Geodetic Vertical First Order Network started in 2010 by development of the Geodetic Vertical Second Order Network. The Second Order Network consists of 74 levelling lines,
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Yin, Kang, Yu Huang, Wenbin Shangguan, Ran Zhen, Minghui Wang, and Yongfeng Jiang. "Study on the Influence of Air Suspension Levelling Valve Charging and Discharging Characteristics on Heavy Truck Roll Stability." In SAE WCX Digital Summit. SAE International, 2021. http://dx.doi.org/10.4271/2021-01-0980.

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Ghazali, R., M. R. A. Hamid, Z. A. Latif, R. Adnan, and A. M. Samad. "Evaluating the range of differences between GPS rapic-static observed orthometric height with the digital precise levelling." In its Applications (CSPA). IEEE, 2010. http://dx.doi.org/10.1109/cspa.2010.5545340.

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Halim, Siti Mariam Abdul, Muhammad Faiz Pa'suya Green, Rohayu Haron Narashid, and Ami Hassan Md Din. "Accuracy Assessment of TanDEM-X 90 m Digital Elevation Model In East of Malaysia Using GNSS/Levelling." In 2019 IEEE 10th Control and System Graduate Research Colloquium (ICSGRC). IEEE, 2019. http://dx.doi.org/10.1109/icsgrc.2019.8837059.

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Journal articles
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