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Establishment of Taiwan’s standard operating procedure for network-based RTK in cadastral surveying 台湾地籍测量网络RTK标准作业程序的制定
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-06-28 DOI: 10.1080/00396265.2022.2089823
T. Yeh, H. Shih, Chuan-Sheng Wang, T. Lien
{"title":"Establishment of Taiwan’s standard operating procedure for network-based RTK in cadastral surveying","authors":"T. Yeh, H. Shih, Chuan-Sheng Wang, T. Lien","doi":"10.1080/00396265.2022.2089823","DOIUrl":"https://doi.org/10.1080/00396265.2022.2089823","url":null,"abstract":"Taiwan completed construction of GNSS reference stations for the network-based RTK system in 2007. The legal mode of operation used in Taiwan requires that each point be repeatedly observed for at least two observation sets separated by 60 min. This study presents a simplified field operating procedure, which measures 10 epochs of fixed solutions during each observation set and reinitializes observations 10 times. In addition, the national and local network-based RTK system were used. The average horizontal positioning accuracies were 1-3. Finally, a workflow is presented for using the network-based RTK to measure the control points in cadastral surveys.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41408314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Digitisation and analysis of historical vertical deflections in India 印度历史垂直偏转的数字化和分析
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-06-21 DOI: 10.1080/00396265.2022.2088016
W. Featherstone, R. Goyal
{"title":"Digitisation and analysis of historical vertical deflections in India","authors":"W. Featherstone, R. Goyal","doi":"10.1080/00396265.2022.2088016","DOIUrl":"https://doi.org/10.1080/00396265.2022.2088016","url":null,"abstract":"We describe the [somewhat tedious] process of digitising from a 1955 report that lists over 1000 vertical deflections in India and some surrounding countries. It involved error-checking with closed-loop tests and resolution of an ambiguity surrounding the meridional vertical deflection at the Kalianpur origin of the datum. We transformed these Kalianpur coordinates to geodetic coordinates on geocentric datum to compute absolute vertical deflections. However, due to many changes to the Everest spheroid due to different feet to metre conversions and readjustments of the Kalianpur datum, we were restricted to using the abridged Molodensky transformation parameters for the 1975 Kalianpur datum and Everest 1956 spheroid based on only seven common points from the WGS84 technical manual. We compared these transformed absolute vertical deflections with EGM2008 and GGMplus (for both models: meridional standard deviation: ∼±2″; prime vertical standard deviation: ∼±3″), showing that the effort of digitisation and scrutiny of historical geodetic data is indeed worthwhile.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59287425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Performance analysis of BDS B1C/B2a PPP using different models and MGEX products 使用不同型号和MGEX产品的BDS B1C/B2a PPP性能分析
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-06-02 DOI: 10.1080/00396265.2022.2081013
Mengfei Sun, Li Liu, Wei Yan, Jian Liu, Tong Liu, Guochang Xu
{"title":"Performance analysis of BDS B1C/B2a PPP using different models and MGEX products","authors":"Mengfei Sun, Li Liu, Wei Yan, Jian Liu, Tong Liu, Guochang Xu","doi":"10.1080/00396265.2022.2081013","DOIUrl":"https://doi.org/10.1080/00396265.2022.2081013","url":null,"abstract":"To assess the precise point positioning performance of the new BDS signals, the observation data of 56 MGEX stations for 30 consecutive days were used to carry out dual-frequency PPP experiments. The positioning results showed that the best positioning performance could be achieved with CODE precise products, followed by IAC, GFZ, and WHU products, with SHA products performing the worst. For Ionosphere-free and undifferenced and uncombined models, the performance of the two was comparable. In addition, our study indicated that station location and time were not the main factors affecting the performance of BDS-3 PPP.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43741172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Accuracy assessment of the Croatian height transformation model 克罗地亚高度转换模型的精度评估
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-06-02 DOI: 10.1080/00396265.2022.2081776
Blaženka Bukač, Ivan Razumović, N. Rožić
{"title":"Accuracy assessment of the Croatian height transformation model","authors":"Blaženka Bukač, Ivan Razumović, N. Rožić","doi":"10.1080/00396265.2022.2081776","DOIUrl":"https://doi.org/10.1080/00396265.2022.2081776","url":null,"abstract":"The Croatian height transformation model (HTMV) enables the transformation of absolute heights of discrete points with known horizontal positions from the Trieste 1875 reference system used throughout the former Republic of Yugoslavia and in Croatia known as HVRS1875 to the new height reference system of the Republic of Croatia (HVRS71) and vice versa. The HTMV is realised as a grid transformation model based on separate modelling of datum and distortion components comprised in height differences. The quality of the transformation model is assessed by comparing the difference in height values at benchmarks that were not used in the model derivation against height differences at the benchmark locations interpolated from the model. The results indicate a high external and internal accuracy of the transformation process, which points to the adequacy of the HTMV utilisation for engineering purposes.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47627260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessing the positioning performance of GNSS receivers under different geomagnetic storm conditions 不同地磁风暴条件下GNSS接收机定位性能评估
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-05-04 DOI: 10.1080/00396265.2021.1924967
Chao Yan, Qing Wang, Bo Zhang, Jiujing Xu, Hao Zhang
{"title":"Assessing the positioning performance of GNSS receivers under different geomagnetic storm conditions","authors":"Chao Yan, Qing Wang, Bo Zhang, Jiujing Xu, Hao Zhang","doi":"10.1080/00396265.2021.1924967","DOIUrl":"https://doi.org/10.1080/00396265.2021.1924967","url":null,"abstract":"GNSS signals are affected when solar activity causes sudden variations in the density of the ionosphere. Few studies concentrate on positioning performance of IGS stations using different GNSS receivers under different geomagnetic storm conditions. This paper for the first time presents IF and UC PPP positioning performance of stations with different receivers during the quiet, moderate, intense, and super storms period. Firstly, a comprehensive investigation of geomagnetic storms effects on the occurrence of GPS cycle-slip and PPP positioning performance have been presented. Secondly, the influences of geomagnetic storms on the occurrence of cycle-slip and IF PPP positioning performance for stations using receivers provided by ‘JAVAD’, ‘LEICA’, and ‘TRIMBLE’ manufacturers have been comprehensively studied. Finally, this study investigates the geomagnetic storms effects on IF PPP positioning performance of stations using receiver types ‘JAVAD TRE_G3TH DELTA’, ‘JAVAD TRE_3 DELTA’, ‘LEICA GR25’, and ‘TRIMBLE NETR9’ by analysing observed data collected at mid-latitude region.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00396265.2021.1924967","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59287043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Field comparison of the total station-based QDaedalus and the zenith telescope-based CODIAC astrogeodetic systems for measurements of the deflection of the vertical 基于全站仪的QDaedalus和基于天顶望远镜的CODIAC天文大地测量系统的垂直偏转测量的现场比较
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-03-24 DOI: 10.1080/00396265.2022.2054108
M. Albayrak, D. Willi, S. Guillaume
{"title":"Field comparison of the total station-based QDaedalus and the zenith telescope-based CODIAC astrogeodetic systems for measurements of the deflection of the vertical","authors":"M. Albayrak, D. Willi, S. Guillaume","doi":"10.1080/00396265.2022.2054108","DOIUrl":"https://doi.org/10.1080/00396265.2022.2054108","url":null,"abstract":"The precision and accuracy of a Leica MultiStation 60-based QDaedalus astrogeodetic measurement system are determined through observations at two locations in Switzerland. The precision of the QDaedalus was determined as 0.1″ for the N-S and E-W deflections of the verticals (DoVs) through 118 series of observations collected over 13 nights (in a 44-day observation period) at the HEIG-VD test station. The accuracy of the QDaedalus system was established by simultaneous parallel observations over two nights using the CODIAC system at the Zimmerwald Observatory. The differences between them were found to be 0.09″ and 0.02″ for the N-S and E-W DoV components, respectively. From these results, the accuracies of both DoV components can be interpreted as 0.1″. We also found a large systematic trend in the observed N-S DoV data at the HEIG-VD test station (0.008″/day). This study is the most extensive thus far for determining the precision and accuracy of the QDaedalus system for astrogeodetic measurements; it is also the first time that QDaedalus system’s accuracy has been established using parallel observations.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43810317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Optimisation of doppler search space to improve acquisition speed of GPS signals 优化多普勒搜索空间以提高GPS信号的捕获速度
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-03-15 DOI: 10.1080/00396265.2022.2046426
K. Bahmani, M. Nezhadshahbodaghi, M. Mosavi
{"title":"Optimisation of doppler search space to improve acquisition speed of GPS signals","authors":"K. Bahmani, M. Nezhadshahbodaghi, M. Mosavi","doi":"10.1080/00396265.2022.2046426","DOIUrl":"https://doi.org/10.1080/00396265.2022.2046426","url":null,"abstract":"The acquisition section has some serious problems to increase the speed of acquiring the Global Positioning System (GPS) signals. In this study, we propose three new methods to optimise the Doppler search space and improve the acquisition speed of the GPS signals. The experimental results represent that our proposed methods have a superior performance compared to the conventional bin-fixed method so that the first (sub-frequency band), second (multi-frequency bins), and third (integration of the first and second methods) suggested methods outperform the bin-fixed method in terms of the execution time and computational complexity by approximately 26–19%, 33–19%, and 36–20%, respectively.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47414335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temporal GIS models for cadastral data management: the knowns, unknowns and future 地籍数据管理的时态GIS模型：已知、未知和未来
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-03-11 DOI: 10.1080/00396265.2022.2049104
J. Mango, J. Ngondo, D. Xu, D. Zhang, X. Li
{"title":"Temporal GIS models for cadastral data management: the knowns, unknowns and future","authors":"J. Mango, J. Ngondo, D. Xu, D. Zhang, X. Li","doi":"10.1080/00396265.2022.2049104","DOIUrl":"https://doi.org/10.1080/00396265.2022.2049104","url":null,"abstract":"Numerous temporal GIS models for cadastral data management have been proposed, and to understand the state of their art, a study that critically assesses their designs is needed. This study reviewed 11 models and noted that except with earlier designs; most of the reviewed models could store temporal land parcels with their tracks of changes. However, they lack to maintain the semantics of their data, valid times and potential records of changes, and the alternative techniques to accelerate queries. Thus, a semantical and bi-temporal modelling framework is proposed. Future studies could use the framework and focus on implementation designs to obtain more robust models.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45245693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Developing a framework for assessing the efficacy of rural cadastral system in the Amhara region, Ethiopia 制定一个评估埃塞俄比亚阿姆哈拉地区农村地籍制度效力的框架
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-03-10 DOI: 10.1080/00396265.2022.2045456
Adane Mehari Getie, T. Birhanu, Teshome Taffa Dadi
{"title":"Developing a framework for assessing the efficacy of rural cadastral system in the Amhara region, Ethiopia","authors":"Adane Mehari Getie, T. Birhanu, Teshome Taffa Dadi","doi":"10.1080/00396265.2022.2045456","DOIUrl":"https://doi.org/10.1080/00396265.2022.2045456","url":null,"abstract":"The fit-for-purpose rural cadastre has been implemented for several years in the Amhara region of Ethiopia. There are no internationally accepted methodologies to evaluate the efficacy of rural cadastral systems in developing countries. In this study, an evaluation framework was designed from the literature review and used to assess the quality of the rural cadastral system. A mixed research method was applied. Data were secured from the pertinent participants, and descriptive statistics was used to analyze the data. The findings indicated that the framework developed for the quality assessment was found to be an essential tool to evaluate the efficacy of rural cadastral systems. The study identified the strengths, weaknesses, opportunities, and threats of the cadastral systems of the Amhara region, which underpinned the understanding of the spatial, legal, and institutional arrangements and statuses. Further, this study identified sets of indicators and good practices of the system.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46392818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Allowing context to speak: the progressive case study method for cadastral systems research 允许上下文说话:地籍系统研究的渐进案例研究方法
IF 1.6 4区 地球科学
Survey Review Pub Date : 2022-03-06 DOI: 10.1080/00396265.2022.2045457
Simon Hull, J. Whittal
{"title":"Allowing context to speak: the progressive case study method for cadastral systems research","authors":"Simon Hull, J. Whittal","doi":"10.1080/00396265.2022.2045457","DOIUrl":"https://doi.org/10.1080/00396265.2022.2045457","url":null,"abstract":"For research involving customary land rights, ‘context is key’ because every context brings specific nuances for consideration. Failure to account for context runs the risk of irrelevance, unintended consequences and/or failure. We present a research method that allows context to speak: the progressive case study. The approach combines deductive case study with inductive grounded theory approaches. The results are used to propose a framework for guiding cadastral systems development in customary land rights contexts. This paper presents the methodology, which should be useful for researchers, NGOs and multinational organisations doing development programming in developing contexts.","PeriodicalId":49459,"journal":{"name":"Survey Review","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2022-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47113393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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