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    Study on the application of IGSO into mobile satellite communication by ZHANG Geng-xin1, LI Su-dan2, GAN Zhong-min1

    Published 2006-01-01
    “…The related coverage performance,Doppler shift and service-supporting capability of the IGSO constellation was studied for the given area.The results show that,the constellation,which consists of two or three IGSO satellites,can achieve good coverage characteristics(the percent of time of one and more satellites coverage and average elevation an-gle)to the Chinese and nearby area with small Doppler shift.The link budget shows that,adopting IGSO can effectively solve the low elevation angle problem faced by GEO satellite,and similar performance,which can only be implemented by a very big GEO satellite,can be achieved by two or three relatively small IGSO satellites.So the solution of adopting IGSO to provide mobile satellite communication system is technically feasible.…”
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  3. 3

    Study on the application of IGSO into mobile satellite communication by ZHANG Geng-xin1, LI Su-dan2, GAN Zhong-min1

    Published 2006-01-01
    “…The related coverage performance,Doppler shift and service-supporting capability of the IGSO constellation was studied for the given area.The results show that,the constellation,which consists of two or three IGSO satellites,can achieve good coverage characteristics(the percent of time of one and more satellites coverage and average elevation an-gle)to the Chinese and nearby area with small Doppler shift.The link budget shows that,adopting IGSO can effectively solve the low elevation angle problem faced by GEO satellite,and similar performance,which can only be implemented by a very big GEO satellite,can be achieved by two or three relatively small IGSO satellites.So the solution of adopting IGSO to provide mobile satellite communication system is technically feasible.…”
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    Article
  4. 4

    Confidence interval estimation for the difference of censored zero-inflated gamma distributions by Hongping Guo, Yiran Zhu, Yuhang Qian, Min Wu

    Published 2024-11-01
    “…Furthermore, we conduct Monte Carlo simulations to evaluate the performances of the proposed methods, the results indicate that all CI construction methods achieve satisfactory performances in terms of coverage probability, average length and tail error rates. Finally, we perform real data analysis using 11 years of precipitation data from Zhengzhou and Lhasa.…”
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  5. 5

    Simulation comparison of modified confidence intervals based on robust estimators for coefficient of variation: skewed distributions case with real applications by Hayriye E. Akyüz, Moustafa O. A. Abu-Shawiesh, Bhuiyan M. G. Kibria

    Published 2024-12-01
    “…The performances of the proposed confidence intervals were evaluated via a Monte-Carlo simulation study by considering the coverage probability, average width, standard deviation of widths, and coefficient of variation of widths as comparison criteria. …”
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  6. 6

    Determination and Application of Reasonable Levels for Highly Directional Long Boreholes in Deep Outburst Coal Seams by DangYu Zhang, MinBo Zhang, LongKang Wang, RuiPing Zeng, JinBao Wang

    Published 2022-01-01
    “…Field application shows that the high directional long borehole has the advantages of long extension distance and wide coverage, the average value of extraction mix is 34.3 m3/min, and the average value of extraction pure is 0.4 mm3/min, which helps to prevent the gas overlimit in the upper corner during the workface recovery. …”
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    Scaling-up the delivery of dog vaccination campaigns against rabies in Tanzania. by Maganga Sambo, Elaine A Ferguson, Bernadette Abela-Ridder, Joel Changalucha, Sarah Cleaveland, Kennedy Lushasi, Geofrey Joseph Mchau, Alphoncina Nanai, Hezron Nonga, Rachel Steenson, Paul Cd Johnson, Katie Hampson

    Published 2022-02-01
    “…During 2013-2017 when vaccination coverage was monitored, approximately 20% of vaccination units achieved the recommended 70% coverage, with average coverage around 50%. Campaigns were also not completed at annual intervals, with the longest interval between campaigns being 27 months. …”
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    Research on high-altitude avalanche susceptibility area zoning based on informativeness modeling in the Duoxiong River Basin, Nyingchi area of Xizang Autonomous Region by Pingping ZHANG, Bin LI, Haoyuan GAO, Jiawei WAN

    Published 2024-12-01
    “…Pearson correlation coefficient analysis was used for conducting covariance analysis, and 10 evaluation factors including elevation, slope, slope direction, ground curvature, surface cutting depth, surface cover type, vegetation coverage, TWI, average annual minimum temperature, and NDSI were comprehensively selected to construct an avalanche susceptibility evaluation system. …”
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  9. 9

    Building new model of intelligent mutual support for the elderly based on the decision support platform of the health management data center by Zewei Hu, Jinxian Wang, Haiwen Nie, Yicheng Liu, Xing Li

    Published 2025-06-01
    “…From the experimental results, in terms of service recommendation time, the average test result of this method was 18.51 s, while the average test result of the traditional method was 25.18 s; In terms of recommended coverage, the average test result of this method was 88.63 %, and the average test result of the traditional method was 84.28 %; In terms of recommendation accuracy, the average test result of this method was 92.60 %, and the average test result of the traditional method was 88.56 %. …”
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  10. 10

    Accessible viral metagenomics for public health and clinical domains with Jovian by Dennis Schmitz, Florian Zwagemaker, Sam Nooij, Thierry K. S. Janssens, Jeroen Cremer, Robert Verhagen, Harry Vennema, Annelies Kroneman, Marion P. G. Koopmans, Jeroen F. J. Laros, Miranda de Graaf

    Published 2024-10-01
    “…Jovian generates scaffolds enriched with pertinent annotations, including taxonomic classification, combined with metrics needed for quality assessment (coverage depth, average GC content, localization of open reading frames, minority single nucleotide polymorphisms), and incorporates host and disease metadata. …”
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    Air pollution: a study of citizen's attitudes and behaviors using different information sources by Annalaura Carducci, Gabriele Donzelli, Lorenzo Cioni, Giacomo Palomba, Marco Verani, Giulia Mascagni, Giuseppe Anastasi, Luca Pardini, Elisabetta Ceretti, Tiziana Grassi, Elisabetta Carraro, Silvia Bonetta, Milena Villarini, Umberto Gelatti

    Published 2017-06-01
    “…Methods: From September 2015 to March 2016, in parallel with the number of exceedances of the PM10 in Italy we evaluated the press coverage, the average monthly searches on Google and the interest on Twitter. …”
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  12. 12

    Virtual fencing in remote boreal forests: performance of commercially available GPS collars for free-ranging cattle by Erik Versluijs, Morten Tofastrud, Anna Hessle, Robert Serrouya, Derek Scasta, Petter Wabakken, Barbara Zimmermann

    Published 2024-11-01
    “…Results The static tests revealed generally high fix success rates (% successful positioning attempts), and a lower success rate at four of 30 test locations was most likely due to a lack in GSM (Global System for Mobile communications) coverage. On average the GPS precision and accuracy errors were 3.3 m ± 2.5 SD and 4.6 m ± 3.2 SD, respectively. …”
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  13. 13

    Design of a multi-epitope vaccine against drug-resistant mycobacterium tuberculosis and mycobacterium bovis using reverse vaccinology by Eva Akurut, Yahaya Gavamukulya, Julius Mulindwa, Moses Isiagi, Ronald Galiwango, Mudarshiru Bbuye, Ibra Lujumba, Davis Kiberu, Patricia Nabisubi, Grace Kebirungi, Andrew Kambugu, Barbara Castelnuovo, Gyaviira Nkurunungi, Daudi Jjingo, Brenda Oketch, David Patrick Kateete, Gerald Mboowa

    Published 2025-07-01
    “…Population coverage analysis for East Africa revealed high applicability, with 98.35% coverage for Class I epitopes, 100% coverage for Class II epitopes, and 100% combined coverage, with average hit values of 8.4, 12.26, and 20.66, respectively. …”
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    Sprayable solutions containing sticky rice oil droplets reduce western flower thrips damage and induce changes in Chrysanthemum leaf chemistry by Thijs V. Bierman, Hocelayne P. Fernandes, Hocelayne P. Fernandes, Young H. Choi, Sumin Seo, Klaas Vrieling, Mirka Macel, Bram Knegt, Thomas E. Kodger, Ralph van Zwieten, Peter G. L. Klinkhamer, T. Martijn Bezemer

    Published 2025-01-01
    “…Our results suggested that the adhesive RGO droplets were not effective as a physical trap as only three out of 600 adult thrips were caught at the achieved coverage. However, average thrips damage was still reduced up to 50% and no negative effects on plant growth were observed up to 25 days. …”
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    Cost of delivering childhood RSV prevention interventions to the health system in Kenya: a prospective analysis by Ranju Baral, Clint Pecenka, Rose E Jalang'o, Elkanah Otiang, Joseph Odiyo, Bryan O Nyawanda, Joyce U Nyiro, Patrick Munywoki

    Published 2024-11-01
    “…Assuming a price of US$3 per dose (for both interventions) and baseline coverage rates averaging 50% for the maternal vaccine and 86% for the mAb, the estimated cost of delivering maternal vaccine was US$1.74 (financial) and US$6.60 (economic) per vaccinated woman, and the cost of delivering mAbs was US$1.56 (financial) and US$6.27 (economic) per vaccinated child. …”
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