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Journal articles on the topic 'Observation method'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Sklyarov, D. "Optimal observation method definition." HUMANITIES AND SOCIAL-ECONOMIC SCIENCES 114, no. 5 (2020): 5–8. http://dx.doi.org/10.18522/1997-2377-2020-114-5-5-8.

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Tien, Hung Nguyen, Phuong Nguyen-Hong, Minh Nguyen-Le, Wen Kuo-Liang, and Nguyen Tran-An. "Investigation of microtremor motion variation by Nakamura’S H/V spectral ratio method." Tạp chí Khoa học và Công nghệ biển 17, no. 4B (2017): 68–74. http://dx.doi.org/10.15625/1859-3097/17/4b/12994.

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In this study, the variation of microtremor motion is investigated using observation data in Hanoi and Vung Tau cities. The results of observation conducted by times and by seismometers are processed using the Nakamura's H/V spectral ratio method and compared. For investigation, the observations have been conducted with frequency of 27 observations per hour, 22 observations per month, 4 simultaneous observations using both Servo and K2 seismometers, and 12 simultaneous observation using 7 Servo seismometers. The results of data analysis show that the values of dominant frequency and shapes of

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3

Simbulan, Sol. "Evaluation of Classroom Observations in College Teaching: The Versatility of the Lecture Method." School of Education Research Journal 3, no. 1 (2023): 76–93. https://doi.org/10.5281/zenodo.13302241.

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Highlighted in this paper is the result of class observations of the School of Education (SED) instructors during the first semester for the academic year 2022-2023. Eight full-time and part time SED instructors’ classes were observed and their performance was rated to be excellent in the criteria set in the instrument. Generally, the opening prayer served as their preliminary activity together with the checking of attendance and establishing of rapport between the instructors and the students. The lecture method in combination with other teaching strategies like discussion, demonstratio

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Vuković, Aleksandra, Milovan Vuković, and Dejan Riznić. "Observation method in marketing research." Marketing 48, no. 4 (2017): 86–95. http://dx.doi.org/10.5937/markt1702086v.

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Wang, Hongjian, Cun Li, Ying Wang, Qing Li, and Xicheng Ban. "A New State Estimation Method with Radar Measurement Missing." Complexity 2018 (December 2, 2018): 1–10. http://dx.doi.org/10.1155/2018/5327637.

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This paper describes a method that addresses the transient loss of observations in sea surface target state estimations. A six degrees of freedom swing platform fixed with a MiniRadaScan is used to simulate the loss of observations. The state transition model based on the historical observation data fit prediction is designed because the existing state estimation method can only use the system model prediction while the observation is missing. An observation data sliding window width adaptive adjustment strategy is proposed that can improve the fitting accuracy of the state transition model. T

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Wang, Rong, Huiyuan Zhang, Chen Gu, Zhi Xiong, and Jianye Liu. "Collaborative Localization Method Based on Hybrid Network for Aerial Swarm." Aerospace 11, no. 4 (2024): 304. http://dx.doi.org/10.3390/aerospace11040304.

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In light of the satellite rejection environment and how aircraft can obtain high-precision positioning, this paper proposes a collaborative correction algorithm for aircraft based on the rank-defect network. Aiming at the problem of insufficient anchor points, which result in insufficient observations and the divergence of aircraft inertial navigation errors, this algorithm can effectively improve the navigation performance of cluster aircraft. On the basis of the observation information provided by the anchor aircraft, the observation information between aircraft is fully utilized to improve

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7

Ilić, Vladimir. "Planning implementation of method of observation in social sciences." Issues in Ethnology and Anthropology 10, no. 2 (2016): 289. http://dx.doi.org/10.21301/eap.v10i2.1.

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The paper deals with the problems while planning the application of method of observation as the primary method for data collection. These include determining the objectives, theoretical and operational elaboration of the research plan and collection of initial evidence from other sources of data that can be used to successfully plan research mainly based on observation. In the first section of the paper it is pointed to the unjustified overemphasis of differences between participatory and non-participatory forms of observation in its planning. The second section shows the possibility of its a

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Ma, Xiaping, Qing Wang, Kegen Yu, Xiaoxing He, and Lidu Zhao. "Research on Blunder Detection Methods of Pseudorange Observation in GNSS Observation Domain." Remote Sensing 14, no. 21 (2022): 5286. http://dx.doi.org/10.3390/rs14215286.

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Global Navigation Satellite System (GNSS) signal quality, type of receiver equipment, and external environment can cause GNSS observations to be anomalous, and these anomalies are sometimes reflected in GNSS pseudorange observations rather than phase observations. To better detect blunders in pseudorange observations, this paper proposes three pseudorange blunder detection methods under the same frequency and different code types (case1), and the same code type and different frequencies (case2), of pseudorange observations, which are the Code Observation Difference Method (CODM), the Inter-sat

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9

Sagatbekkyzy, Z., and K. K. Shalgynbayeva. "Observation as a method of socio-pedagogical research and diagnosis of children with special educational needs in development." Bulletin of the Karaganda University. Pedagogy series 105, no. 1 (2022): 83–91. http://dx.doi.org/10.31489/2022ped1/83-91.

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The article is devoted to the study of the observation method used in two main varieties of social pedagogy: psychological and social. The novelty of the article lies in the description of the application of the observation method in social pedagogy – a new field of pedagogical knowledge. Its originality is in identifying the specifics of the application of the observation method in the process of socialization of children with special educational needs in development. The relevance of the work is due to the insufficient development of the methodology for applying the observation method in soc

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10

Zhang, Xiaoyan, Hongli Wang, Xiang-Yu Huang, Feng Gao, and Neil A. Jacobs. "Using Adjoint-Based Forecast Sensitivity Method to Evaluate TAMDAR Data Impacts on Regional Forecasts." Advances in Meteorology 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/427616.

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This study evaluates the impact of Tropospheric Airborne Meteorological Data Reporting (TAMDAR) observations on regional 24-hour forecast error reduction over the Continental United States (CONUS) domain using adjoint-based forecast sensitivity to observation (FSO) method as the diagnostic tool. The relative impact of TAMDAR observations on reducing the forecast error was assessed by conducting the WRFDA FSO experiments for two two-week-long periods, one in January and one in June 2010. These experiments assimilated operational TAMDAR data and other conventional observations, as well as GPS re

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11

Shen, Zilong, Wenxiang Liu, Jing Peng, Feixue Wang, and Wei Xiao. "Standalone Velocity Estimation Method for BDS Receiver Based on Improved ARUKF." Mathematical Problems in Engineering 2019 (March 3, 2019): 1–14. http://dx.doi.org/10.1155/2019/7278190.

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The Carrier-Phase-Derived Doppler (CPDD) observation is an important type of observation for high-precision standalone velocity estimation (SVE) with the BeiDou Navigation Satellite System (BDS) receiver. The CPDD observation is susceptible to receiver clock jump, carrier-phase cycle slips, and multipath error. How to improve the accuracy and reliability of the SVE method based on the CPDD observation has become an urgent problem to be solved. Based on the Velocity Domain Selective Fusion (VDSF) strategy, this paper proposes the VDSF-ARUKF method for accuracy and reliability improvement of the

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12

Swanwick, Maureen. "Observation as a research method." Nurse Researcher 2, no. 2 (1994): 4–12. http://dx.doi.org/10.7748/nr.2.2.4.s2.

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13

Baker, Lynda. "Observation: A Complex Research Method." Library Trends 55, no. 1 (2006): 171–89. http://dx.doi.org/10.1353/lib.2006.0045.

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14

Briaud, Jean-Louis, and Axel M. Montalvo-Bartolomei. "Meander migration: the observation method." Canadian Geotechnical Journal 54, no. 8 (2017): 1104–17. http://dx.doi.org/10.1139/cgj-2015-0639.

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River meanders migrate over time and the consequences of this migration can create a problem for bridges and embankments near the river. This is why it is important to predict the lateral extent of future migration over the life of neighboring infrastructure. In the observation method for meander migration (OMM), the past movement and velocity history of the meander are used to back-calculate site specific erosion parameters. Those parameters serve as input to predict the meander migration for a chosen future velocity hydrograph. In this article and after a review of existing knowledge, the an

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15

Nabil, Wildan, and Imron Rossidy. "Penerapan Metode Field Trip Observation untuk Meningkatkan Wawasan Siswa di MTs Muhammadiyah 10 Gresik." ISLAMIKA 6, no. 4 (2024): 1484–96. http://dx.doi.org/10.36088/islamika.v6i4.5183.

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The aim of this research is to examine the implementation of the field trip observation method in the learning process of students, focusing on their ability to adapt and modify themselves in their surroundings, and to identify the strengths and weaknesses of this method. This qualitative study employs ethnographic or field research methodology, with teachers and students under observation as the primary data sources. Secondary data sources include school profile information, field trip destination observation data, and observations of field trip learning strategies. Data collection techniques

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16

Ault, Melinda Jones, Amy D. Spriggs, Margaret E. Bausch, and Ginevra R. Courtade. "Evaluation of Remote Versus Face-to-Face Observation of Teacher Candidates in an Alternative Certification Program." Rural Special Education Quarterly 38, no. 3 (2019): 124–36. http://dx.doi.org/10.1177/8756870519861030.

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The University of Kentucky provides an alternative certification program to prepare teacher candidates in moderate and severe disabilities. Observations occur every semester that candidates are in the 2-year program and must be conducted all across Kentucky, often many miles away from campus. University researchers placed cameras in the classrooms of teacher candidates and measured reliability of teacher observations conducted face-to-face and remotely. The researchers also surveyed perceptions of the teacher candidates and university observers and analyzed the cost-effectiveness of the two ob

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17

Putri Adinda Pratiwi, Fahima Mashalani, Maulia Hafizhah, Azra Batrisyia Sabrina, Nur Hapsi Harahap, and Deasy Yunita Siregar. "Mengungkap Metode Observasi Yang Efektif Menurut Pra-Pengajar EFL." Mutiara : Jurnal Penelitian dan Karya Ilmiah 2, no. 1 (2023): 133–49. http://dx.doi.org/10.59059/mutiara.v2i1.877.

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Observation is a process of systematic observation of human activities and physical settings where these activities take place continuously from a natural locus of activity to produce facts. This research uses a qualitative approach to describe and explain the choice of English as a Foreign Language (EFL) pre-teacher observation method. Through interviews with 10 pre-teaching students, the results show a variety of views regarding observation methods. In general, participant observation dominates as the method that is considered the most effective, because it provides an in-depth understanding

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18

Li, Gongqiang, Jing Liu, Hai Jiang, and Chengzhi Liu. "Research on the Efficient Space Debris Observation Method Based on Optical Satellite Constellations." Applied Sciences 13, no. 7 (2023): 4127. http://dx.doi.org/10.3390/app13074127.

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The increasing amount of space debris poses a major threat to the security of space assets. The timely acquisition of space debris orbital data through observations is essential. We established a mathematical model of optical satellite constellations for space debris observation, designed a high-quality constellation configuration, and designed a space debris tracking observation scheduling algorithm. These tools can realize the efficient networking of space debris from a large number of optical satellite observation facilities. We designed a constellation consisting of more than 20 low-Earth

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19

Wang, Weinan, Jinsong Ping, Wenzhao Zhang, et al. "A New Method for Ground-Based Optical Polarization Observation of the Moon." Sensors 24, no. 8 (2024): 2580. http://dx.doi.org/10.3390/s24082580.

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As a natural satellite of the Earth, the moon is a prime target for planetary remote sensing exploration. However, lunar polarization studies are not popular in the planetary science community. Polarimetry of the lunar surface had not been carried out from a spacecraft until the Korean lunar exploration program was initiated. In previous polarization observations of the moon, images of different polarization states were obtained by a rotating linear polarizer. This method is not well suited for future polarization observations from space-based spacecraft. To this end, we present a new kind of

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20

SADUYEVA, F., D. AUEZKHANKYZY, I. MEYERMANOVA, U. KHOJAKULOVA та H. HOPIA. "НАБЛЮДЕНИЕ КАК МЕТОД СБОРА ДАННЫХ В ИССЛЕДОВАНИЯХ СЕСТРИНСКОГО ДЕЛА". Vestnik, № 3(66) (1 липня 2023): 1–8. http://dx.doi.org/10.53065/kaznmu.2023.66.3.001.

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Observation is a way of gathering research data by watching and/or listening behavior, characteristics, or events in their natural setting. It can be conducted as participant or non-participant observation. The term observation refers to a data collection method in which researchers investigate the ongoing behavior or performance of their research participants. Therefore, observation can be defined as a technique used for collecting descriptive data on characters, behavior, events, and situations used in observational studies. It is noteworthy to bear in mind that some researchers. Observation

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21

Ying, Yue. "Assimilating Observations with Spatially Correlated Errors Using a Serial Ensemble Filter with a Multiscale Approach." Monthly Weather Review 148, no. 8 (2020): 3397–412. http://dx.doi.org/10.1175/mwr-d-19-0387.1.

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Abstract The serial ensemble square root filter (EnSRF) typically assumes observation errors to be uncorrelated when assimilating the observations one at a time. This assumption causes the filter solution to be suboptimal when the observation errors are spatially correlated. Using the Lorenz-96 model, this study evaluates the suboptimality due to mischaracterization of observation error spatial correlations. Neglecting spatial correlations in observation errors results in mismatches between the specified and true observation error variances in spectral space, which cannot be resolved by inflat

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22

Vidhiasi, Dhion Meitreya. "CLASSROOM OBSERVATION AND RESEARCH." Saintara: Jurnal Ilmiah Ilmu-Ilmu Maritim 3, no. 1 (2018): 6–13. https://doi.org/10.52475/saintara.v3i1.13.

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There are so many methods that can be used in conducting research. Every method has its own strength and weakness. Before a researcher conduct research, they must choose which method or techniques are more appropriate. This paper explains that there are at least for methods that can be used when a researcher wants to conduct research in teaching and learning development. Those methods are a formal experiments, stimulated recall, observation schemes, and interaction analysis. The focus of this paper is not about how the method is but how researchers observe what is going on inside the classroom

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23

Jiang, Sen, Chenglin Cai, and Zijie Zhu. "Cycle Slip Detection By Combining TECR And Reconstructed Doppler Integral Method." Highlights in Science, Engineering and Technology 56 (July 14, 2023): 596–602. http://dx.doi.org/10.54097/hset.v56i.10801.

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Poor observation environment and other factors lead to the whole cycle slips of carrier phase observation value, which affects the positioning accuracy. There are detection loopholes in the traditional cycle slips detection methods, especially the small value cycle slips, equivalent cycle slips and special value cycle slips are difficult to detect. A method combining Total Electron Contents Rate (TECR) and Doppler Value Reconstruction is proposed to solve the deficiency of cycle slip detection. Based on Doppler observations and Doppler detection method, the Doppler observations are reconstruct

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24

OKUDA, Yasutake, Satoru TAKAHASHI, Kuniaki KAWABATA, and Shun'ichi KANEKO. "Bio-imaging Method for Cell Observation." Transactions of the Society of Instrument and Control Engineers 50, no. 5 (2014): 424–31. http://dx.doi.org/10.9746/sicetr.50.424.

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KASANO, Kazuki. "Observation Method of Arc Welding Phenomena." JOURNAL OF THE JAPAN WELDING SOCIETY 89, no. 4 (2020): 265–69. http://dx.doi.org/10.2207/jjws.89.265.

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26

INDOH, Hiroharu. "Method of Observation on Aquatic Fungi." Japanese Journal of Water Treatment Biology 21, no. 1 (1985): 20–25. http://dx.doi.org/10.2521/jswtb.21.20.

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27

Jamshed, Shazia. "Qualitative research method-interviewing and observation." Journal of Basic and Clinical Pharmacy 5, no. 4 (2014): 87. http://dx.doi.org/10.4103/0976-0105.141942.

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Yokoyama, Kenji, and Hidehiko Saizyo. "Method for observation of vibration mode." Journal of the Acoustical Society of America 90, no. 1 (1991): 624. http://dx.doi.org/10.1121/1.402331.

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Barker, Kenneth N., Elizabeth A. Flynn, and Ginette A. Pepper. "Observation method of detecting medication errors." American Journal of Health-System Pharmacy 59, no. 23 (2002): 2314–16. http://dx.doi.org/10.1093/ajhp/59.23.2314.

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30

Ito, Hirotaka, and Shunkichi Baba. "A Simple Method of Cervicoesophageal Observation." Practica oto-rhino-laryngologica. Suppl. 1988, Supplement23 (1988): 62–65. http://dx.doi.org/10.5631/jibirinsuppl1986.1988.supplement23_62.

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31

Uboldi, F., A. Trevisan, and A. Carrassi. "Developing a dynamically based assimilation method for targeted and standard observations." Nonlinear Processes in Geophysics 12, no. 1 (2005): 149–56. http://dx.doi.org/10.5194/npg-12-149-2005.

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Abstract. In a recent study, a new method for assimilating observations has been proposed and applied to a small size nonlinear model. The assimilation is obtained by confining the analysis increment in the unstable subspace of the Observation-Analysis-Forecast (OAF) cycle system, in order to systematically eliminate the dynamically unstable components, present in the forecast error, which are responsible for error growth. Based on the same ideas, applications to more complex models and different, standard and adaptive, observation networks are in progress. Observing System Simulation Experime

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Rattanyu, Kanlaya, Katsuhiro Mayama, and Makoto Mizukawa. "Human Behavior Observation and Emotion Recognition Fusion Method in the Intelligent Space." Abstracts of the international conference on advanced mechatronics : toward evolutionary fusion of IT and mechatronics : ICAM 2010.5 (2010): 528–33. http://dx.doi.org/10.1299/jsmeicam.2010.5.528.

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33

Ye, Jiancong, Hongjie Jiang, and Junpei Zhong. "A Graph-Attention-Based Method for Single-Resident Daily Activity Recognition in Smart Homes." Sensors 23, no. 3 (2023): 1626. http://dx.doi.org/10.3390/s23031626.

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In ambient-assisted living facilitated by smart home systems, the recognition of daily human activities is of great importance. It aims to infer the household’s daily activities from the triggered sensor observation sequences with varying time intervals among successive readouts. This paper introduces a novel deep learning framework based on embedding technology and graph attention networks, namely the time-oriented and location-oriented graph attention (TLGAT) networks. The embedding technology converts sensor observations into corresponding feature vectors. Afterward, TLGAT provides a sensor

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34

Prasenjit, Pal. "Laboratory Method and Development of Scientific Process Skills." RESEARCH REVIEW International Journal of Multidisciplinary 3, no. 12 (2018): 219–24. https://doi.org/10.5281/zenodo.2313514.

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The role of laboratory method in the development of scientific process skills cannot be underestimated. Here we incorporated observation, classifying, experimenting and predicting in expressing scientific process skills. The subjects of the study were 350 students (200 boys and 150 girls) of class VI of 6 different schools of Malda district selected randomly. The subjects were assigned to two groups. The experimental group was taught by laboratory method and control group was taught by conventional method. Simultaneously a group of 26 teachers were selected randomly from those schools for obse

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Akhtar, Farrukh. "Young Child Observations: A Development in the Theory and Method of Infant Observation." Journal of Social Work Practice 30, no. 3 (2015): 331–32. http://dx.doi.org/10.1080/02650533.2015.1036013.

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Jebril, Nadia Mahmoud Tawfiq. "Evaluation of two fixation techniques for direct observation of biofilm formation of Bacillus subtilis in situ, on Congo red agar, using scanning electron microscopy." June-2020 13, no. 6 (2020): 1133–37. http://dx.doi.org/10.14202/vetworld.2020.1133-1137.

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Background and Aim: Direct observation, scanning electron microscopy (SEM) is a common method used for the observations of biofilms. N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide) (EDC) fixation method has proven to be a valuable fixation method in the observation of these biofilms. Still, it entails a method of biofilm fixation that can damage slim structures, leading to the impossible observation of biofilm development. In contrast, alcian blue and lysine (ABL) fixation technique appears more glycocalyx of biofilm, fully preserved samples, which may provide much insight into the development

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Kim, Myunghwan, Hyun Mee Kim, JinWoong Kim, Sung-Min Kim, Christopher Velden, and Brett Hoover. "Effect of Enhanced Satellite-Derived Atmospheric Motion Vectors on Numerical Weather Prediction in East Asia Using an Adjoint-Based Observation Impact Method." Weather and Forecasting 32, no. 2 (2017): 579–94. http://dx.doi.org/10.1175/waf-d-16-0061.1.

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Abstract When producing forecasts by integrating a numerical weather prediction model from an analysis, not all observations assimilated into the analysis improve the forecast. Therefore, the impact of particular observations on the forecast needs to be evaluated quantitatively to provide relevant information about the impact of the observing system. One way to assess the observation impact is to use an adjoint-based method that estimates the impact of each assimilated observation on reducing the error of the forecast. In this study, the Weather Research and Forecasting Model and its adjoint a

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Yanti, Yusma, and Septian Rahardiantoro. "ALTERNATIF PENGGEROMBOLAN DATA DERET WAKTU DENGAN KONDISI TERDAPAT DATA KOSONG." Indonesian Journal of Statistics and Its Applications 2, no. 1 (2018): 13–22. http://dx.doi.org/10.29244/ijsa.v2i1.55.

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Panel data describes a condition in which there are many observations with each observation observed periodically over a period of time. The observation clustering context based on this data is known as Clustering of Time Series Data. Many methods are developed based on fluctuating time series data conditions. However, missing data causes problems in this analysis. Missing data is the unavailability of data value on an observation because there is no information related to it. This study attempts to provide an alternative method of clustering observations on data with time series containing mi

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Ilic, Vladimir. "Observation as a method within the context of the debate about quantitative and qualitative approach." Sociologija 57, no. 1 (2015): 133–51. http://dx.doi.org/10.2298/soc1501133i.

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Quantitative and qualitative orientations, as dominant in contemporary methodology of social sciences, are based on different forms, parts and types, data. They have their own epistemological specificity. They disintegrate classical sociological methods, such as observation, reducing their penetration and thus reducing the cognitive potential of sociology, while increasing the possibility of its use for ideological purposes. Observation methodologically disintegrates through a normal binding of its participatory forms for qualitative methodology, and structured observation, systematic observat

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Wu, Qianyu, Jun Pan, and Mi Wang. "Dynamic Task Planning Method for Multi-Source Remote Sensing Satellite Cooperative Observation in Complex Scenarios." Remote Sensing 16, no. 4 (2024): 657. http://dx.doi.org/10.3390/rs16040657.

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As the number and variety of remote sensing satellites continue to grow, user demands are becoming increasingly complex and diverse. Concurrently, there is an escalating requirement for timeliness in satellite observations, thereby augmenting the complexity of task processing and resource allocation. In response to these challenges, this paper proposes an innovative method for dynamic task planning in multi-source remote sensing satellite cooperative observations tailored to complex scenarios. In the task processing phase, this study develops a preprocessing model suitable for various types of

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Hattori, Shunichi, Teruhisa Miura, Reiko Ichikawa, and Daiki Sawai. "In-Home Behavioral Observation Method Employing Internet of Things Sensors for Barrier Investigation of Energy Saving Activities." Proceedings 31, no. 1 (2019): 31. http://dx.doi.org/10.3390/proceedings2019031031.

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This paper proposes an in-home behavioral observation method employing Internet of Things (IoT) sensors. Behavioral change programs based on information provision approaches have begun to be employed in the reduction of carbon dioxide emissions in the residential sector. To improve efforts to save energy, a behavioral observation method that aims to understand the reality of users’ daily activities could be an effective approach. However, problems with existing methods include observations costs, privacy implications and the other complications regarding the specific behaviors of the person be

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Jung, Byoung-Joo, Hyun Mee Kim, Thomas Auligné, Xin Zhang, Xiaoyan Zhang, and Xiang-Yu Huang. "Adjoint-Derived Observation Impact Using WRF in the Western North Pacific." Monthly Weather Review 141, no. 11 (2013): 4080–97. http://dx.doi.org/10.1175/mwr-d-12-00197.1.

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Abstract An increasing number of observations have contributed to the performance of numerical weather prediction systems. Accordingly, it is important to evaluate the impact of these observations on forecast accuracy. While the observing system experiment (OSE) requires considerable computational resources, the adjoint-derived method can evaluate the impact of all observational components at a lower cost. In this study, the effect of observations on forecasts is evaluated by the adjoint-derived method using the Weather Research and Forecasting Model, its adjoint model, and a corresponding thr

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Miyamoto, M., and M. Yoshizawa. "A New Method for Zenith Distance Determination in Meridian Observations." Symposium - International Astronomical Union 109 (1986): 557–65. http://dx.doi.org/10.1017/s0074180900077044.

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In meridian observations, the main error sources of the declination observation reside in determination of the atmospheric refraction, the flexure of the telescope and the division errors of the graduated circle. In order to obtain higher accuracy in the declination observation, besides a full automation device, the photoelectric meridian circle at Tokyo Astronomical Observatory (Tokyo PMC) is equipped with photoelectric devices for circle reading and a zenith mirror in addition to the conventional mercury horizon. We report here on a preliminary determination of the horizontal and vertical fl

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Liu, Peiting, Zhifang Xu, Jiandong Gong, and Wei Chen. "A New Progressive EOFs Quality Control Method for Surface Pressure Data Based on the Barometric Height and Biweight Average Correction." Atmosphere 14, no. 6 (2023): 1032. http://dx.doi.org/10.3390/atmos14061032.

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When assimilating surface pressure data in synoptic-scale models, we find the utilization rate of surface pressure data in zones with complex terrains is not high. Therefore, it is particularly important and urgent to carry out quality control of surface pressure data. Numerical weather prediction model analysis and forecasting provide essential data that can be compared with surface observations. The main adverse effects on surface pressure quality control include elevation differences between the model terrain and the observation stations and continuous outliers with the same characteristics

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Lane, J. Lindsey, and Ruth P. Gottlieb. "Structured Clinical Observations: A Method to Teach Clinical Skills With Limited Time and Financial Resources." Pediatrics 105, Supplement_3 (2000): 973–77. http://dx.doi.org/10.1542/peds.105.s3.973.

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Objective. To develop and implement a methodology to teach clinical skills to medical students in busy clinical settings. Methods. The Structured Clinical Observation (SCO) program with guidelines and observation sheets for history-taking, physical examination, and information-giving skills was created. Faculty development preceded SCO implementation for pediatric clerkship students at Jefferson Children's Health Center. SCO observation sheets were tabulated and faculty and student questionnaires were administered. Results. The mean number of observations per student was 6, with 368 observatio

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Cao, Anzhou, Yanqiu Gao, Jicai Zhang, and Xianqing Lv. "Trajectory Estimation of Aircraft in a Double-Satellite Passive Positioning System with the Adjoint Method." Mathematical Problems in Engineering 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/502610.

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A double-satellite passive positioning system is constructed based on the theory of space geometry, where two observation coordinate systems and a fundamental coordinate system exist. In each observation coordinate system, there exists a ray from the observation satellite to the aircraft. One difficulty lies in that these two rays may not intersect due to the existence of various errors. Under this situation, this work assumes that the middle point of common perpendicular between two rays is the actual position of aircraft. Based on the theory of space geometry, the coordinates of aircraft in

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Sehati, Rindu, Titin Rahmayanti Rambe, and Hilmiyatun Hilmiyatun. "Upaya Meningkatkan Kemampuan Mengidentifikasi Alat Indera Melalui Metode Observasi Pada Siswa Kelas IV SD." Kitabah: Jurnal Pendidikan Sosial Humaniora 2, no. 1 (2024): 53–59. https://doi.org/10.56114/kitabah.v2i1.11503.

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This research aims to improve the ability of 4th grade elementary school students to identify sensory organs through the application of observation methods. The observation method is used as a learning approach that involves direct observation of the object being studied. This research involved 20 grade 4 students from SD Negeri 117856 Aek Korsik, Kualuh Hulu District, North Labuhanbatu Regency. Data was collected through pre- and post-tests, as well as observations of student learning activities. The research results showed a significant increase in students' ability to identify sensory devic

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Zhang, Ning, Fuyan Yang, and Yan Chen. "Implementation of a 2D Wavelet Method to Probe Mixed Layer Height Using Lidar Observations." International Journal of Environmental Research and Public Health 16, no. 14 (2019): 2516. http://dx.doi.org/10.3390/ijerph16142516.

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A new method was developed to estimate mixed layer (ML) height with light detection and ranging (lidar) observations using a 2Dimensional (2D) wavelet method, which can consider the diurnal variation characteristics of ML height. Ideal signals and real lidar observations in Shanghai, China were used to evaluate the new method. The results showed that the new method is insensitive to the type of wavelet filters. The estimated ML heights obtained by the 2D wavelet method agreed well with both of the previous methods developed for the ML height probing using lidar, including the gradient method,

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Yamaoka, Hirotaka, Yohsuke Tanaka, Shunsuke Tani, and Shigeru Murata. "OS1-3 Observation of Phase Distribution in a Loaded Beam by Phase Retrieval Method for Digital In-line Holography(Advanced optical method 1,OS1 Advances in optical methods and techniques,MEASUREMENT METHODS)." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2015.14 (2015): 7. http://dx.doi.org/10.1299/jsmeatem.2015.14.7.

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Sládek, David. "Application of K-Nearest Neighbor Classification for Static Webcams Visibility Observation." Advances in Meteorology 2023 (August 21, 2023): 1–19. http://dx.doi.org/10.1155/2023/6285569.

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Visibility observations and accurate forecasts are essential in meteorology, requiring a dense network of observation stations. This paper investigates image processing techniques for object detection and visibility determination using static cameras. It proposes a comprehensive method that includes image preprocessing, landmark identification, and visibility estimation, mirroring the observation process of professional meteorological observers. This study validates the visibility observation procedure using the k-nearest neighbors machine learning method across six locations, including four i

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