Shape similarity differential privacy trajectory protection mechanism based on relative entropy and K-means [PDF]
, 2021 To solve the problem that most studies had not fully considered the sensitivity of location to privacy budget and the influence of trajectory shape, which made the usability of published trajectory poor, a shape similarity differential privacy trajectory
Guanglu SUN, Shulun LIU, Suxia ZHU
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Spatial and Temporal Changes and Prediction of Habitat Quality in Key Ecological Function Area of Hu'nan Province [PDF]
, 2022 [Objective] Land use change and habitat quality in Nanyue key ecological function area of Hu'nan Province were studied to reveal the relationship between forest land reduction and habitat quality caused by human activities, in order to promote the ...
Deng Chuxiong +5 more
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Factors Influencing Recessive Transformation of Land Use in Fujian Province During 2000—2020 [PDF]
, 2023 [Objective] The spatio-temporal characteristics of the dominant driving forces and influencing factors of county land use transition in Fujian Province were analyzed, and a logical analysis framework of influencing factors of land use transition was ...
Chen Songlin, Du Fengyi, Pu Jiahao
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Survey on community detection method based on random walk [PDF]
, 2023 Random walk techniques achieve high accuracy and efficiency in community detection.To summarize and analyze community detection methods based on random walk, the random walk technique was classified into personalized PageRank, heat kernel diffusion and ...
Hongli ZHANG, Yang GAO
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Analysis of Driving Factors and Predictions of Arable Land Area Based on PLUS Model [PDF]
, 2023 [Objective] The spatial and temporal evolutionary characteristics of arable land in the Tumen River basin and the driving factors for changes in arable land area were explored, and changes in arable land area associated with the Land Spatial Planning of ...
Jin Ri +4 more
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Spatial-temporal Evolution and Influencing Factors of Dominant Marginalization of Cultivated Land in Guizhou Province Based on Land Use Change [PDF]
, 2023 [Objective] The spatial-temporal evolution pattern and influencing factors of the dominant marginalization of cultivated land in Guizhou Province from 2010 to 2020 were analyzed in order to provide policy guidance for the intensive use of cultivated land
Feng Yingbin, Yang Xiyuan
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Construction of a new class of (2k, k, 1) convolutional codes [PDF]
, 2014 A new class of (2k,k,1) convolutional codes are created by combining double cyclic codes and (2,1,1) convolu-tional codes, and also a new method for creation long codes with short ones was proposed.
Bo WEI, Cheng-chang ZHENG, Wan-quan PENG
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Analysis of Carbon Stock Evolution and Its Vulnerability Characteristics Based on Land Use Change in Guizhou Province [PDF]
, 2023 [Objective] The spatial and temporal distribution pattern and evolution characteristics of ecosystem carbon storage, its response to land use change, and the vulnerability of ecosystem carbon storage service in each county of Guizhou Province were ...
Chen Darong +5 more
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Shuitu baochi tongbao, 2022 [Objective] The response law for runoff under different land use scenarios in the middle and upper reaches of the Weihe River was analyzed in order to provide scientific support for development planning and water resource management of the middle and ...
Zhang Ye +9 more
doaj +1 more source
Gaoya dianqi, 2021 简便、快速和准确地评估直埋电缆群缆芯温升对于保证其可靠、安全运行,以及管理电缆群的实时负荷具有重要的现实意义。当直埋电缆群周围热媒介导热系数已知时,电缆本体和相邻电缆间均可以用线性方程表示其热过程,从而可以构建一个转移矩阵来实时估算电缆缆芯温升。利用有限元计算结果,获得电缆本体缆芯温升与发热样本数据组,以及相邻电缆间的发热与温升样本数据组,再利用数据拟合,获得缆芯温升与缆芯损耗、介质损耗、金属套损耗,以及相邻电缆损耗之间的关系,获得自热导系数和互热导系数,构建出直埋电缆群缆芯温升快速计算的转移矩阵 ...
傅晨钊, 郝谦, 梁永春, 司文荣
doaj