The semiclassical non-perturbative atomic orbital close-coupling approach has been employed to study the electron capture and excitation processes in He^(2+)-H(1s)and He^(2+)-H(2s)collision systems.In order to ensure ...The semiclassical non-perturbative atomic orbital close-coupling approach has been employed to study the electron capture and excitation processes in He^(2+)-H(1s)and He^(2+)-H(2s)collision systems.In order to ensure the accuracy of our calculated cross sections,a large number of high excited states and pseudostates are included in the expansion basis sets which are centered on the target and projectile,respectively.The total and partial charge transfer and excitation cross sections are obtained for a wide-energy domain ranging from 1 keV/amu to 200 keV/amu.The present calculations are also compared with the results from other theoretical methods.These cross section data are useful for the investigation of astrophysics and laboratory plasma.展开更多
立足智慧机场的数字化转型要求,针对传统机场运行控制中心(airport operational control center,AOCC)全时段以最大峰值的静态排班导致工作时长不均、人力资源利用率低、调整灵活性差等问题,以机坪管制移交后的人员分工要求确立动态排...立足智慧机场的数字化转型要求,针对传统机场运行控制中心(airport operational control center,AOCC)全时段以最大峰值的静态排班导致工作时长不均、人力资源利用率低、调整灵活性差等问题,以机坪管制移交后的人员分工要求确立动态排班原则,构建AOCC大厅的多目标组合优化的员工排班模型,提出父代班组非支配交叉的基因排序、子代班组拥挤变异算子的遗传算法进行智能搜索最优可行解,并基于MATLAB平台进行建模仿真验证,结果表明:手工排班方案作为“父代初始解”确保了飞行安全,交替航班任务实时产生子代班组种群,接班变异保留子代班组精英个体,降低了人力成本、班组人员的工作时长方差和疲劳度。展开更多
为满足微小卫星对姿轨控计算机高性能、低功耗以及丰富的外设接口的要求,采用Cyclone IV FPGA芯片设计了姿轨控计算机,并且通过硬件编程实现外设接口控制器IP核,并将其集成到现场可编程门阵列(Field programmable gate array,FPGA)中,...为满足微小卫星对姿轨控计算机高性能、低功耗以及丰富的外设接口的要求,采用Cyclone IV FPGA芯片设计了姿轨控计算机,并且通过硬件编程实现外设接口控制器IP核,并将其集成到现场可编程门阵列(Field programmable gate array,FPGA)中,提高系统集成度。此外,使用可编程片上系统(System on programmable chip,SoPC)技术在FPGA中实现了硬浮点运算,加快了NiosII软核处理浮点运算的速度。实测表明,采用Cyclone IV FPGA设计的姿轨控计算机具有功耗低、运算速度快以及接口丰富等特点,能够满足微小卫星对姿轨控计算机的要求。展开更多
基金supported by the National Key Research and Development Program of China (Grant No.2022YFA 1602500)the National Natural Science Foundation of China (Grant Nos.11934004 and 12241410).
文摘The semiclassical non-perturbative atomic orbital close-coupling approach has been employed to study the electron capture and excitation processes in He^(2+)-H(1s)and He^(2+)-H(2s)collision systems.In order to ensure the accuracy of our calculated cross sections,a large number of high excited states and pseudostates are included in the expansion basis sets which are centered on the target and projectile,respectively.The total and partial charge transfer and excitation cross sections are obtained for a wide-energy domain ranging from 1 keV/amu to 200 keV/amu.The present calculations are also compared with the results from other theoretical methods.These cross section data are useful for the investigation of astrophysics and laboratory plasma.
文摘立足智慧机场的数字化转型要求,针对传统机场运行控制中心(airport operational control center,AOCC)全时段以最大峰值的静态排班导致工作时长不均、人力资源利用率低、调整灵活性差等问题,以机坪管制移交后的人员分工要求确立动态排班原则,构建AOCC大厅的多目标组合优化的员工排班模型,提出父代班组非支配交叉的基因排序、子代班组拥挤变异算子的遗传算法进行智能搜索最优可行解,并基于MATLAB平台进行建模仿真验证,结果表明:手工排班方案作为“父代初始解”确保了飞行安全,交替航班任务实时产生子代班组种群,接班变异保留子代班组精英个体,降低了人力成本、班组人员的工作时长方差和疲劳度。
文摘为满足微小卫星对姿轨控计算机高性能、低功耗以及丰富的外设接口的要求,采用Cyclone IV FPGA芯片设计了姿轨控计算机,并且通过硬件编程实现外设接口控制器IP核,并将其集成到现场可编程门阵列(Field programmable gate array,FPGA)中,提高系统集成度。此外,使用可编程片上系统(System on programmable chip,SoPC)技术在FPGA中实现了硬浮点运算,加快了NiosII软核处理浮点运算的速度。实测表明,采用Cyclone IV FPGA设计的姿轨控计算机具有功耗低、运算速度快以及接口丰富等特点,能够满足微小卫星对姿轨控计算机的要求。
