Academic literature on the topic 'Repeat Measurements'

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Journal articles on the topic "Repeat Measurements"

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Watkins, Kieren, Melindee Hastie, Minh Ha, Graham Hepworth, and Robyn Warner. "Machine Vision Requires Fewer Repeat Measurements than Colorimeters for Precise Seafood Colour Measurement." Foods 13, no. 7 (2024): 1110. http://dx.doi.org/10.3390/foods13071110.

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The colour of seafood flesh is often not homogenous, hence measurement of colour requires repeat measurements to obtain a representative average. The aim of this study was to determine the optimal number of repeat colour measurements required for three different devices [machine vision (digital image using camera, and computer processing); Nix Pro; Minolta CR400 colorimeter] when measuring three species of seafood (Atlantic salmon, Salmo salar, n = 8; rockling, Genypterus tigerinus, n = 8; banana prawns, Penaeus merguiensis, n = 105) for raw and cooked samples. Two methods of analysis for numb
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HELWICK, CAROLINE. "Repeat Measurements Unveil Masked Hypertension." Family Practice News 38, no. 15 (2008): 16. http://dx.doi.org/10.1016/s0300-7073(08)70959-9.

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Shuljakova, Ljuba. "GEOMAGNETIC MEASUREMENTS IN LATVIA." Geodesy and Cartography 38, no. 2 (2012): 75–80. http://dx.doi.org/10.3846/20296991.2012.692212.

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The knowledge of the Earth's magnetic field elements and their dynamic fluctuations over the area concerned are important and can be used for many practical purposes in various fields, including Geodesy and Cartography. Earth's magnetic field tends to vary over time. Unlike the field of a bar magnet, Earth's field changes over time because it is really generated by the motion of molten iron alloys in the Earth's outer core. Long-term magnetic field changes are caused mainly by processes in the Earth's interior, particularly the iron-rich core. Short-term changes of the magnetic field are mainl
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Browne, Ryan P. "Assessment of a Measurement System Using Repeat Measurements of Failing Units." Quality Engineering 22, no. 1 (2009): 21–29. http://dx.doi.org/10.1080/08982110903344820.

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Jackson, Miriam, Ian A. Brown, and Hallgeir Elvehøy. "Velocity measurements on Engabreen, Norway." Annals of Glaciology 42 (2005): 29–34. http://dx.doi.org/10.3189/172756405781812655.

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AbstractHorizontal velocity measurements on the lower part of Engabreen, Norway, were made from repeat aerial photography. IMCORR software, which has been widely used to measure velocities from satellite images, was used to make the measurements. This is the first known successful use of IMCORR on aerial photographs. Supplementary horizontal velocity measurements were made from repeat measurements of stakes, giving velocities over different periods and also in areas that are too slow-moving to register a measurable velocity after only a few days.
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Prince, R. L., S. S. Dhaliwal, A. Marangou, et al. "The clinical value of repeat bone density measurements." Bone 27, no. 4 (2000): 22. http://dx.doi.org/10.1016/s8756-3282(00)80070-8.

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Roush, J. K., M. D. Unis, T. Wodiske, and S. G. Baker. "Comparison of four commercial devices to measure limb circumference in dogs." Veterinary and Comparative Orthopaedics and Traumatology 23, no. 06 (2010): 406–10. http://dx.doi.org/10.3415/vcot-10-03-0032.

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SummaryWe evaluated four measurement devices for obtaining circumferential measurements at four locations on the canine hindlimb and forelimb. We hypothesised that these devices would be consistent and precise in the hands of veterinary professionals with varying experience levels. Circumferential measurements were made in five dogs with no history or clinical evidence of orthopaedic disease. Measurements were obtained in triplicate by three observers at mid-thigh, tibial tuberosity, hock and carpus bilaterally. Results indicated a significantly larger measurement at the left mid-thigh region
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Langenbucher, Achim, Nóra Szentmáry, Alan Cayless, et al. "Repeatability of corneal measurements from the Casia2 anterior segment tomographer in a cataractous population." PLOS One 20, no. 7 (2025): e0328894. https://doi.org/10.1371/journal.pone.0328894.

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Purpose The purpose of this study was to investigate the repeatability of corneal power and thickness measures in a large patient cohort. Methods In this retrospective non-randomised cross sectional single-centre study we evaluated a dataset containing 900 Casia2 anterior segment tomography measurements from 300 eyes from 300 patients (3 repeat measurements each) taken prior to cataract surgery. Only complete measurements marked as ‘Successful’ and with a sequence of 3 measurements for each eye performed on the same day were considered. Keratometry (K), corneal back surface (P) and RealPower (
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Oxnard, Geoffrey R., Binsheng Zhao, Camelia S. Sima, et al. "Variability of Lung Tumor Measurements on Repeat Computed Tomography Scans Taken Within 15 Minutes." Journal of Clinical Oncology 29, no. 23 (2011): 3114–19. http://dx.doi.org/10.1200/jco.2010.33.7071.

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Purpose We use changes in tumor measurements to assess response and progression, both in routine care and as the primary objective of clinical trials. However, the variability of computed tomography (CT) –based tumor measurement has not been comprehensively evaluated. In this study, we assess the variability of lung tumor measurement using repeat CT scans performed within 15 minutes of each other and discuss the implications of this variability in a clinical context. Patients and Methods Patients with non–small-cell lung cancer and a target lung lesion ≥ 1 cm consented to undergo two CT scans
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Ge, Tian, Avram J. Holmes, Randy L. Buckner, Jordan W. Smoller, and Mert R. Sabuncu. "Heritability analysis with repeat measurements and its application to resting-state functional connectivity." Proceedings of the National Academy of Sciences 114, no. 21 (2017): 5521–26. http://dx.doi.org/10.1073/pnas.1700765114.

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Heritability, defined as the proportion of phenotypic variation attributable to genetic variation, provides important information about the genetic basis of a trait. Existing heritability analysis methods do not discriminate between stable effects (e.g., due to the subject’s unique environment) and transient effects, such as measurement error. This can lead to misleading assessments, particularly when comparing the heritability of traits that exhibit different levels of reliability. Here, we present a linear mixed effects model to conduct heritability analyses that explicitly accounts for intr
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Dissertations / Theses on the topic "Repeat Measurements"

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Skinner, Evelina. "Linear Discriminant Analysis with Repeated Measurements." Thesis, Linköpings universitet, Matematisk statistik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-162777.

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The classification of observations based on repeated measurements performed on the same subject over a given period of time or under different conditions is a common procedure in many disciplines such as medicine, psychology and environmental studies. In this thesis repeated measurements follow the Growth Curve model and are classified using linear discriminant analysis. The aim of this thesis is both to examine the effect of missing data on classification accuracy and to examine the effect of additional data on classification robustness. The results indicate that an increasing amount of missi
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Akacha, Mouna. "Analysis of repeated measurements with missing data." Thesis, University of Warwick, 2011. http://wrap.warwick.ac.uk/35108/.

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This thesis discusses issues arising in the analysis of repeated measurement studies with missing data. The first part of the thesis is motivated by a study where continuous and bounded longitudinal data form the outcome of interest. The aim of this study is to investigate the change over time in the outcome variable and factors that influence this change. The analysis is complicated because some patients withdraw from the study, leading to an incomplete data set. We propose a non-linear mixed model that specifies the rate of change and the bounds of the outcome as a function of covariates. Th
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Mahdi, Ali A. J. "Analysis of repeated measurements in agricultural experiments." Thesis, Queen's University Belfast, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335993.

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White, S. A. "Latent structure models for repeated measurements experiments." Thesis, University of Nottingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376163.

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Niu, Kejian. "MISSING DATA IN REPEATED MEASUREMENT STUDIES." VCU Scholars Compass, 1992. https://scholarscompass.vcu.edu/etd/5257.

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Repeated measurement data or longitudinal data occur often in statistical applications. For example, in a clinical trial comparing the efficacy of a new treatment with that of a standard treatment, rather than measuring the main response variable only once on each patient, or subject, we can take several measurements over time on each subject. A Repeated measurement study differs from a longitudinal study. The latter generally refers to any study in which one or more response variables are repeatedly measured over time. The former usually imposes some restrictions on the data. One common restr
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Hall, Kenita A. "Analyzing the Behavior of Rats by Repeated Measurements." Digital Archive @ GSU, 2007. http://digitalarchive.gsu.edu/math_theses/28.

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Longitudinal data, which is also known as repeated measures, has grown increasingly within the past years because of its ability to monitor change both within and between subjects. Statisticians in many fields of study have chosen this way of collecting data because it is cost effective and it minimizes the number of subjects required to produce a meaningful outcome. This thesis will explore the world of longitudinal studies to gain a thorough understanding of why this type of collecting data has grown so rapidly. This study will also describe several methods to analyze repeated measures using
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Suen, Wai-sing Alan. "Sample size planning for clinical trials with repeated measurements." Click to view the E-thesis via HKUTO, 2004. http://sunzi.lib.hku.hk/hkuto/record/B31972172.

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Suen, Wai-sing Alan, and 孫偉盛. "Sample size planning for clinical trials with repeated measurements." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31972172.

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Zhu, Xinjie, and 朱信杰. "Mining order-preserving submatrices from data with repeated measurements." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B4576993X.

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Skene, Simon Scott. "The analysis of very small samples of repeated measurements." Thesis, London School of Hygiene and Tropical Medicine (University of London), 2008. http://researchonline.lshtm.ac.uk/682378/.

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The statistical analysis of repeated measures or longitudinal data always requires the accommodation of the covariance structure of the repeated measurements at some stage in the analysis. The general linear mixed model is often used for such analyses, and allows for the specification of both a mean model and a covariance structure. Often the covariance structure itself is not of direct interest, but only a means to producing valid inferences about the response. This thesis considers methods for the analysis of repeated measurements which arise from very small samples. In Part 1, existing meth
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Books on the topic "Repeat Measurements"

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Mobbs, Kim. Tectonic interpretation of the Papua New Guinea region from repeat satellite measurements. School of Geomatic Engineering, University of New South Wales, 1997.

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Lindsey, James K. Models for repeated measurements. 2nd ed. Oxford University Press, 1999.

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Raghavarao, Damaraju, and Lakshmi Padgett. Repeated Measurements and Cross-Over Designs. John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118709153.

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Davidian, Marie. Nonlinear models for repeated measurement data. Chapman & Hall/CRC, 1998.

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Davidian, Marie. Nonlinear models for repeated measurement data. Chapman & Hall, 1995.

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1952-, Chinchilli Vernon M., ed. Linear and nonlinear models for the analysis of repeated measurements. M. Dekker, 1997.

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Cooper, Marcia Janet. Biological and analytical variability of repeated transferrin receptor and ferritin measurements. National Library of Canada, 1995.

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Cope, Ronald T. Use versus nonuse of repeater examinees in common item linear equating with nonequivalent populations. Research Division, American College Testing Program, 1986.

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Mariolakos, Ilias. A neotectonic geodynamic model of Peloponnesus based on morphotectonics, repeated gravity measurements, and seismicity. Bundesanstalt für Geowissenschaften und Rohstoffe, 1985.

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Dakduk, Silvana, and Zuleima Santalla-Banderali. Green Tea or Black Tea? Analyzing Consumer Perception in JASP Using Repeated Measurement ANOVA. SAGE Publications Ltd, 2025. https://doi.org/10.4135/9781036209377.

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Book chapters on the topic "Repeat Measurements"

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MIHAJLOVIC, SPOMENKO J., DRAGAN POPESKOV, CASLAV LAZOVIC, and NENAD SMILJANIC. "GEOMAGNETIC FIELD MEASUREMENTS AT MAGNETIC REPEAT STATIONS IN FORMER YUGOSLAVIA." In Geomagnetics for Aeronautical Safety. Springer Netherlands, 2006. http://dx.doi.org/10.1007/978-1-4020-5025-1_4.

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Nishijima, J., S. Ehara, Y. Fujimitsu, et al. "Macroscopic Monitoring of Deep Underground Fluid Flow by Repeat Gravity Measurements." In Groundwater Updates. Springer Japan, 2000. http://dx.doi.org/10.1007/978-4-431-68442-8_6.

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Huntley, David, Drew Rotheram-Clarke, Roger MacLeod, et al. "Scalable Platform for UAV Flight Operations, Data Capture, Cloud Processing and Image Rendering of Landslide Hazards and Surface Change Detection for Disaster-Risk Reduction." In Progress in Landslide Research and Technology, Volume 1 Issue 2, 2022. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18471-0_4.

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AbstractThis International Programme on Landslide (IPL) Project 202 paper presents a scalable remote piloted aircraft system (RPAS) platform that streamlines unoccupied aerial vehicle (UAV) flight operations for data capture, cloud processing and image rendering to inventory and monitor slow-moving landslides along the national railway transportation corridor in southwestern British Columbia, Canada. Merging UAV photogrammetry, ground-based real-time kinematic global navigation satellite system (RTK-GNSS) measurements, and satellite synthetic aperture radar interferometry (InSAR) datasets best
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Brink, Anita, Lorenzo Biassoni, and Zvi Bar-Sever. "Digestive Tract." In A Practical Guide for Pediatric Nuclear Medicine. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-67631-8_6.

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AbstractNuclear medicine studies can evaluate functional abnormalities of the digestive tract in children. Repeat episodes of gastroesophageal reflux (GER) are associated with clinical gastrointestinal and/or respiratory manifestations of variable severity. GER scintigraphy, the “milk scan,” can detect GER and aspiration. Clinical signs and symptoms of gastric dysmotility are non-specific and can be related to delayed or, less frequent, rapid gastric emptying (GE). Measurements of GE can be performed with solid and liquid radiolabelled meals and represent the gold standard in gastric dysmotili
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Nishijima, Jun, Kento Naritomi, Yayan Sofyan, Shinji Ohsawa, and Yasuhiro Fujimitsu. "Monitoring Hot Spring Aquifer Using Repeat Hybrid Micro-gravity Measurements in Beppu Geothermal Field, Japan." In Global Environmental Studies. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7383-0_5.

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Brozio, Jan Piet, Jutta Kneisel, Stefanie Schaefer-Di Maida, et al. "Patterns of Socio-economic Cultural Transformations in Neolithic and Bronze Age Societies in the Central Northern European Plain." In Perspectives on Socio-environmental Transformations in Ancient Europe. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-53314-3_5.

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AbstractDoes history repeat itself? What causes and mechanisms of action are at work in prehistoric societies? These are two questions we want to tackle in a longue durée perspective. In order to do so we bring together two main epochs in human history in the central northern European Plain: the Neolithic and the Bronze Age of northern Germany. In this timeframe we want to identify patterns of socio-economic cultural transformations.Consequently, the reconstruction of the causes and mechanisms of action in prehistoric societies are essential. In order to increase our knowledge of potential tri
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Salzberger, Thomas. "Addressing Traceability in Social Measurement Establishing a Common Metric for Dependence." In Springer Series in Measurement Science and Technology. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-07465-3_9.

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AbstractMeasurement in the social sciences is typically characterized by a multitude of instruments that are assumed to measure the same concept but lack comparability. Underdeveloped conceptual theories that fail to expose a measurement mechanism are one reason for the incommensurable measurements. Without such a mechanism measurements cannot be linked to a fundamental reference as required by metrological traceability. However, traditional metrological concepts can be extended by allowing for direct links between different instruments, so-called crosswalks. In this regard, Rasch Measurement
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Lindsey, James K. "Repeated Measurements." In The Analysis of Stochastic Processes using GLIM. Springer New York, 1992. http://dx.doi.org/10.1007/978-1-4612-2888-2_8.

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Verbeke, Geert, and Emmanuel Lesaffre. "Repeated Measurements." In Methods and Applications of Statistics in Clinical Trials. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118596005.ch70.

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Holevo, A. S. "Limit theorems for repeated measurements and continuous measurement processes." In Lecture Notes in Mathematics. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/bfb0083555.

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Conference papers on the topic "Repeat Measurements"

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Fletcher, JF. "Speed up Your Dry Film Thickness Measurements Using a Scanning Probe." In SSPC 2014 Greencoat. SSPC, 2014. https://doi.org/10.5006/s2014-00014.

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Abstract Time is money and the ability to speed up the process of taking and analysing coating thickness readings will always pay dividends in reducing inspection costs. Scanning an area of painted steel will always be quicker than taking individual readings but there was always the danger of wearing the probe and reducing its life. There are now probes fitted with a replaceable wearing surface to protect the probe from abrasion wear when using the probe to scan a surface. Simple plastic caps can be fitted to these probes and the thickness of the cap can be taken in to account in the calibrati
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Fang, H., F. Bielsa, A. Kiss, K. Fujita, and M. Stock. "Status report on the BIPM Kibble Balance." In 2024 Conference on Precision Electromagnetic Measurements (CPEM). IEEE, 2024. http://dx.doi.org/10.1109/cpem61406.2024.10646089.

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Mihalik, Mark A., Kirk A. Ingold, James J. Raftery, and William North. "A Simplified Setup for Characterizing the Beam Propagation Parameter of On-Wafer Vertical Cavity Surface Emitting Lasers." In CLEO: Applications and Technology. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_at.2024.jth2a.200.

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Beam propagation measurement is typically done parallel to the optical table. We report on an improved setup that reduces manual manipulation and accounts for device rotation for measurements taken perpendicular to the optical table.
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Xie, Xin, Yunkai Deng, Zihang Jiang, Xiaoxiao Li, and Weiming Tian. "Coherence Analysis and Interferometric Measurement of P-Band Repeat Pass UAV InSAR." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10641264.

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Southworth, Thomas, Caroline Pattwell, Helen Richardson, et al. "Repeat Measurements of Complement proteins C3a and C5a in COPD patients." In ERS International Congress 2017 abstracts. European Respiratory Society, 2017. http://dx.doi.org/10.1183/1393003.congress-2017.pa1002.

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Hensley, Scott, Kevin Wheeler, Greg Sadowy, et al. "Status of a UAVSAR Designed for Repeat Pass Interferometry for Deformation Measurements." In 2005 IEEE MTT-S International Microwave Symposium. IEEE, 2005. http://dx.doi.org/10.1109/mwsym.2005.1616963.

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Saeedi, Jawaid. "Interpretation And Use Of Vertically Distributed Pressures From Repeat Formation Tester Measurements." In Annual Technical Meeting. Petroleum Society of Canada, 1986. http://dx.doi.org/10.2118/86-37-36.

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Strack, Kurt, Cesar Barajas-Olalde, Sophia Davydycheva, Yardenia Martinez, and Andri Paembonan. "CCUS Plume Monitoring: Verifying Surface CSEM Measurements to Log Scale." In 2023 SPWLA 64th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2023. http://dx.doi.org/10.30632/spwla-2023-0056.

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In carbon capture, utilization, and storage (CCUS) monitoring, dynamic plume monitoring and reservoir seal are key issues. Plume monitoring is best addressed with electromagnetics (sensitive to the resistivity contrast) and reservoir leakage with microseismics. A case history from North Dakota illustrates how we can tie surface-controlled source electromagnetic (CSEM) measurements to the three-dimensional (3D) anisotropic models derived from the available logs. This allows us to certify baseline measurements within the context of the borehole information. The key to this workflow is to derive
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Luckman, A., J. Baker, and U. Wegmuller. "Repeat-pass interferometric coherence measurements of tropical forest from JERS and ERS satellites." In IGARSS '98. Sensing and Managing the Environment. 1998 IEEE International Geoscience and Remote Sensing. Symposium Proceedings. (Cat. No.98CH36174). IEEE, 1998. http://dx.doi.org/10.1109/igarss.1998.703665.

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Hensley, Scott, Yunling Lou, Paul Rosen, et al. "An L-band SAR for Repeat Pass Deformation Measurements on a UAV Platform." In 2nd AIAA "Unmanned Unlimited" Conf. and Workshop & Exhibit. American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-6619.

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Reports on the topic "Repeat Measurements"

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Whiteford, P. C. Repeat Measurements of Seismic Noise at the Waiotapu Geothermal Area, North Island, NZ. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/895938.

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Mizrach, Amos, Sydney L. Spahr, Ephraim Maltz, et al. Ultrasonic Body Condition Measurements for Computerized Dairy Management Systems. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7568109.bard.

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The body condition (BC) score is recognized in the dairy industry as an essential tool for managing the energy reserves of the dairy cow, which is essential for sustaining optimal and efficient production over several lactations. The current use of BC scoring depends on the accuracy of subjective visual estimates, and this limits its kusefulness as a management aid in the dairy industry. A measuring tool that would frequently provide objective data on the cow's body reserves would be a major contribution to efficient dairy herd management. Ultrasonic sensors have the potential to be developed
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Adams, Brian, Lara P. Loewenstein, Hugh Montag, and Randal J. Verbrugge. Disentangling Rent Index Differences: Data, Methods, and Scope. Federal Reserve Bank of Cleveland, 2022. http://dx.doi.org/10.26509/frbc-wp-202238.

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Prominent rent growth indices often give strikingly different measurements of rent inflation. We create new indices from Bureau of Labor Statistics (BLS) rent microdata using a repeat-rent index methodology and show that this discrepancy is almost entirely explained by differences in rent growth for new tenants relative to the average rent growth for all tenants. Rent inflation for new tenants leads the official BLS rent inflation by four quarters. As rent is the largest component of the consumer price index, this has implications for our understanding of aggregate inflation dynamics and guidi
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Douglas, Thomas, M. Jorgenson, Hélène Genet, Bruce Marcot, and Patricia Nelsen. Interior Alaska DoD training land wildlife habitat vulnerability to permafrost thaw, an altered fire regime, and hydrologic changes. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/43146.

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Climate change and intensification of disturbance regimes are increasing the vulnerability of interior Alaska Department of Defense (DoD) training ranges to widespread land cover and hydrologic changes. This is expected to have profound impacts on wildlife habitats, conservation objectives, permitting requirements, and military training activities. The objective of this three-year research effort was to provide United States Army Alaska Garrison Fort Wainwright, Alaska (USAG-FWA) training land managers a scientific-based geospatial framework to assess wildlife habitat distribution and trajecto
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Brennan, James. PR-50-104-R01 LNG Flow Measurement. Pipeline Research Council International, Inc. (PRCI), 1985. http://dx.doi.org/10.55274/r0011728.

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Choquette, Gary. PR000-22605-R01 Design Guideline for Retrofittable Inline Flow Measurement. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000054.

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This report describes measurement devices suitable for the retrofit installation of inline flow measurements. Retrofit applications are defined as installations where minimal piping modifications are required and, preferably, the modifications can be done without taking the system out of service. The document includes recommendations and best practices that help minimize error as well as methods to perform in situ calibration of those measurement devices.
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Saarnio, Karri, Mika Vestenius, and Katriina Kyllönen. Attestation of conformity of particulate matter measurements (HIVATO) 2019–2020. Finnish Meteorological Institute, 2021. http://dx.doi.org/10.35614/isbn.9789523361331.

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The National Reference Laboratory for Air Quality (NRL) ensures the high quality of air quality measurements in Finland by organising audits and intercomparison campaigns. In this project, the conformity of the particulate matter measurements was evaluated with a particular focus on the measurement used for calculating the average exposure index (AEI) of Finland. The representativity and applicability of the AEI measurements made at the Kallio station in Helsinki were evaluated. It was noticed that the results of the Kallio measurement represent well the average fine particle (PM2.5) concentra
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Kyllönen, Katriina, Karri Saarnio, Ulla Makkonen, and Heidi Hellén. Verification of the validity of air quality measurements related to the Directive 2004/107/EC in 2019-2020 (DIRME2019). Finnish Meteorological Institute, 2020. http://dx.doi.org/10.35614/isbn.9789523361256.

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This project summarizes the results from 2000–2020and evaluates the trueness andthequality control (QC) procedures of the ongoing polycyclic aromatic hydrocarbon (PAH)and trace element measurements in Finlandrelating to Air Quality (AQ) Directive 2004/107/EC. The evaluation was focused on benzo(a)pyrene and other PAH compounds as well as arsenic, cadmium and nickel in PM10and deposition. Additionally, it included lead and other metals in PM10and deposition, gaseous mercury and mercury deposition, andbriefly other specificAQ measurements such as volatile organic compounds (VOC)and PM2.5chemical
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Lindemuth, Dale. PR229-203604-Z01 Pipeline CP Monitoring Using Real Time Current Measurement. Pipeline Research Council International, Inc. (PRCI), 2024. https://doi.org/10.55274/r0000103.

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The combined deliverables provide tools for incorporating real time pipe current measurements into a remote monitoring protocol to help in an integrated external corrosion management plan for cathodically protected pipelines. The use of continuous remotely collected pipe current measurements optimizes the corrosion protection and improves response time to upset conditions that might otherwise compromise the corrosion control. The zip file contains 4 items: 1. PR229-203604-R01 Pipeline CP Monitoring Using Real Time Current Measurement - This report covers the results of and findings from the Ph
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Caseres. PR-015-123704-R01 Mobile Sensor to Monitor Water Hold-up and Corrosion in Pipelines. Pipeline Research Council International, Inc. (PRCI), 2013. http://dx.doi.org/10.55274/r0010830.

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The main purpose of this research effort was to test and validate the mobile sensor technology as a new integrity management tool that can supplement current expensive technologies for assessing the threat of internal corrosion to both piggable and unpiggable gas pipelines and to provide improved data sets for internal direct assessment determinations. Pipeline operators will have access to a fully validated, low cost integrity management tool for accurate spatial detection of water holdups in piggable and unpiggable gas pipelines subjected to a wide range of pressures under various gas flow v
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