基于蜂窝车联网(Cellular Vehicle-to-Everything,C-V2X)的车辆编队协同控制通信技术,依靠直连通信接口实现车辆间实时信息交互,提升队列行驶的稳定性与效率。本文系统分析C-V2X系统架构及其在车辆编队中的应用,探讨从长期演进-车辆联网...基于蜂窝车联网(Cellular Vehicle-to-Everything,C-V2X)的车辆编队协同控制通信技术,依靠直连通信接口实现车辆间实时信息交互,提升队列行驶的稳定性与效率。本文系统分析C-V2X系统架构及其在车辆编队中的应用,探讨从长期演进-车辆联网(Long Term Evolution-Vehicle to Everything,LTE-V2X)至新空口-车辆联网(New Radio-Vehicle to Everything,NR-V2X)的演进路径;研究协同控制机制的设计与性能验证,评估潜在安全威胁及防护策略。通过整合感知、定位与云控技术,提出优化方案以满足低时延、高可靠的应用需求。研究表明,该技术可降低间距误差、保证串稳定性,为智能交通提供技术支撑。本文进一步讨论通信协议优化与实际部署挑战,强调多模态融合的重要意义,以期推动车辆编队向更高智能化水平发展。展开更多
This paper describes a method for estimating the continuation of ore bodies at depth based on concentrationvolume(C-V)fractal modeling of the pyrite thermoelectric coefficient in the Pujon gold deposit,Democratic Peo...This paper describes a method for estimating the continuation of ore bodies at depth based on concentrationvolume(C-V)fractal modeling of the pyrite thermoelectric coefficient in the Pujon gold deposit,Democratic People’s Republic of Korea.The method is first established using data in the Kumjomdong area,a well-explored brownfield,and it is then applied to estimate the continuation of ore bodies at depth in the Pyongsandok area,a less-explored greenfield.The methodology consists of four steps:(1)3D modeling of ore bodies using surface geological mapping,mining tunnels in different levels,and a borehole dataset;(2)3D modeling of thermoelectricity coefficients from Au-bearing pyrites based on discrete smooth interpolation and C-V fractal techniques;(3)determination of levels used for calculation of the thermoelectric parameter of pyrite by C-V fractal modeling instead of traditional levels;and(4)determination of the thermoelectric parameter vertical gradient of pyrite reflecting the variation characteristics of pyrite thermoelectricity in the Pujon deposit.The results indicate that(1)pyrites in the Pujon deposit are dominantly P-type,and it is not reasonable to use traditional levels to calculate the thermoelectric parameter of pyrite;(2)thresholds determined by C-V fractal modeling can be used as levels to calculate the thermoelectric parameter of pyrite;(3)the thermoelectric parameter vertical gradient of pyrite ranges from 1 to 2 in the Pujon deposit;and(4)ore body Pyongsan No.9 extends 85 m to 235 m downward from the current borehole location.展开更多
文摘基于蜂窝车联网(Cellular Vehicle-to-Everything,C-V2X)的车辆编队协同控制通信技术,依靠直连通信接口实现车辆间实时信息交互,提升队列行驶的稳定性与效率。本文系统分析C-V2X系统架构及其在车辆编队中的应用,探讨从长期演进-车辆联网(Long Term Evolution-Vehicle to Everything,LTE-V2X)至新空口-车辆联网(New Radio-Vehicle to Everything,NR-V2X)的演进路径;研究协同控制机制的设计与性能验证,评估潜在安全威胁及防护策略。通过整合感知、定位与云控技术,提出优化方案以满足低时延、高可靠的应用需求。研究表明,该技术可降低间距误差、保证串稳定性,为智能交通提供技术支撑。本文进一步讨论通信协议优化与实际部署挑战,强调多模态融合的重要意义,以期推动车辆编队向更高智能化水平发展。
文摘This paper describes a method for estimating the continuation of ore bodies at depth based on concentrationvolume(C-V)fractal modeling of the pyrite thermoelectric coefficient in the Pujon gold deposit,Democratic People’s Republic of Korea.The method is first established using data in the Kumjomdong area,a well-explored brownfield,and it is then applied to estimate the continuation of ore bodies at depth in the Pyongsandok area,a less-explored greenfield.The methodology consists of four steps:(1)3D modeling of ore bodies using surface geological mapping,mining tunnels in different levels,and a borehole dataset;(2)3D modeling of thermoelectricity coefficients from Au-bearing pyrites based on discrete smooth interpolation and C-V fractal techniques;(3)determination of levels used for calculation of the thermoelectric parameter of pyrite by C-V fractal modeling instead of traditional levels;and(4)determination of the thermoelectric parameter vertical gradient of pyrite reflecting the variation characteristics of pyrite thermoelectricity in the Pujon deposit.The results indicate that(1)pyrites in the Pujon deposit are dominantly P-type,and it is not reasonable to use traditional levels to calculate the thermoelectric parameter of pyrite;(2)thresholds determined by C-V fractal modeling can be used as levels to calculate the thermoelectric parameter of pyrite;(3)the thermoelectric parameter vertical gradient of pyrite ranges from 1 to 2 in the Pujon deposit;and(4)ore body Pyongsan No.9 extends 85 m to 235 m downward from the current borehole location.
