为解决广西集体林权改革后,以小班为单位的森林防火任务异常复杂问题,研究了基于基因表达式编程的火灾天气危害预测预报方法,以便在异常气候下,减少火灾发生概率。并将预测预报技术与广西林权数据管理信息系统有机结合起来,开发出一套...为解决广西集体林权改革后,以小班为单位的森林防火任务异常复杂问题,研究了基于基因表达式编程的火灾天气危害预测预报方法,以便在异常气候下,减少火灾发生概率。并将预测预报技术与广西林权数据管理信息系统有机结合起来,开发出一套基于小班的潜在火灾危害预测预报系统。系统搭建采用Microsoft Visual Studio 2008的C#语言作为开发语言,利用Arc Engine组件对象模型平台进行开发。展开更多
Based on the measured data of geomagnetically induced currents (GIC) in Guangdong Ling' ao 500 kV power networks during several magnetic storms at the peak years of 23rd Solar Cycle, the GIC calculation results of ...Based on the measured data of geomagnetically induced currents (GIC) in Guangdong Ling' ao 500 kV power networks during several magnetic storms at the peak years of 23rd Solar Cycle, the GIC calculation results of 750 kV planning power grid in Shartxi, Gansu, Qinghai and Ningxia, the structure and characteristics of power networks from 500 kV to 1 000 kV, and super magnetic storm in 1859 are analyzed in this paper. Through the analysis, the possible impacts of extreme space weather on the future ultra-high voltage (UHV) grid, the security of large-scale power system in China are expounded, and the research suggestions coping with the strong solar storms are proposed.展开更多
文摘为解决广西集体林权改革后,以小班为单位的森林防火任务异常复杂问题,研究了基于基因表达式编程的火灾天气危害预测预报方法,以便在异常气候下,减少火灾发生概率。并将预测预报技术与广西林权数据管理信息系统有机结合起来,开发出一套基于小班的潜在火灾危害预测预报系统。系统搭建采用Microsoft Visual Studio 2008的C#语言作为开发语言,利用Arc Engine组件对象模型平台进行开发。
基金National Nature Science Foundation of China (No.50477039 No.50677020)National High Technology Research and Development Program of China("863"Program) (No.2007AA04Z425)
文摘Based on the measured data of geomagnetically induced currents (GIC) in Guangdong Ling' ao 500 kV power networks during several magnetic storms at the peak years of 23rd Solar Cycle, the GIC calculation results of 750 kV planning power grid in Shartxi, Gansu, Qinghai and Ningxia, the structure and characteristics of power networks from 500 kV to 1 000 kV, and super magnetic storm in 1859 are analyzed in this paper. Through the analysis, the possible impacts of extreme space weather on the future ultra-high voltage (UHV) grid, the security of large-scale power system in China are expounded, and the research suggestions coping with the strong solar storms are proposed.