为了提高机载嵌入式系统软件开发效率,快速生成软件原型,同时提升机载嵌入式系统软件的可移植性,研究了基于Wind River Hypervisor的机载嵌入式系统虚拟化技术,对Wind River Hypervisor架构进行了剖析,阐述了hyperkernel的内部结构,指明...为了提高机载嵌入式系统软件开发效率,快速生成软件原型,同时提升机载嵌入式系统软件的可移植性,研究了基于Wind River Hypervisor的机载嵌入式系统虚拟化技术,对Wind River Hypervisor架构进行了剖析,阐述了hyperkernel的内部结构,指明了Wind River Hypervisor中不同类型线程在系统运行过程中所承担的角色以及运行特点,并基于Wind River Hypervisor实现了多种虚拟化架构,通过对不同架构的对比展示了每种架构的特征,同时借助workbench+vxworks653环境证实了在机载嵌入式系统部署Wind River Hypervisor架构的可行性。展开更多
Topographic map evidence from the Wyoming Wind River-Sweetwater River drainage divide area is used to test a recently proposed regional geomorphology paradigm defined by massive south- and southeast-oriented continent...Topographic map evidence from the Wyoming Wind River-Sweetwater River drainage divide area is used to test a recently proposed regional geomorphology paradigm defined by massive south- and southeast-oriented continental ice sheet melt water floods that flowed across the entire Missouri River drainage basin. The new paradigm forces recognition of an ice sheet created and occupied deep “hole” and is fundamentally different from the commonly accepted paradigm in which a pre-glacial north- and northeast-oriented slope would have prevented continental ice sheet melt water from reaching or crossing the Wind River-Sweetwater River drainage divide. Divide crossings (or low points) are identified as places where water once flowed across the drainage divide. Map evidence is interpreted first from the accepted paradigm perspective and second from the new paradigm perspective to determine the simplest explanation. Both paradigm perspectives suggest south-oriented water crossed the drainage divide, although accepted paradigm interpretations do not satisfactorily explain the large number of observed divide crossings and are complicated by the need to bury the Owl Creek and Bridger Mountains to explain why the Wind River now flows in a north direction through Wind River Canyon. New paradigm interpretations explain the large number of divide crossings as diverging and converging channel evidence (as in flood-formed anastomosing channel complexes), Owl Creek and Bridger Mountain uplift to have occurred as south-oriented floodwaters carved Wind River Canyon, and a major flood flow reversal (caused by ice sheet related crustal warping and the opening up of deep “hole” space by ice sheet melting) as being responsible for the Wind River abrupt turn to the north. While this test only addresses topographic map evidence, Occam’s Razor suggests the new paradigm offers what in science should be the preferred Wind River-Sweetwater River drainage divide origin interpretations.展开更多
The Wind River Indian Reservation undertook the development of an agricultural resource management plan in 2015. The reservation is 8903 sq.km of which 63% is in crop and grazing lands. This project’s aim was to crea...The Wind River Indian Reservation undertook the development of an agricultural resource management plan in 2015. The reservation is 8903 sq.km of which 63% is in crop and grazing lands. This project’s aim was to create a community-based integrated plan. A series of community meetings identified 83 issues and topics relating to agricultural development on the reservation. Using information from community meetings, the final agricultural resource management plan consists of 9 major elements, with 12 goals, 46 objectives and 88 policies. Three key issues are addressed in the plan: provide the reservation with a plan that leads to self-management of their agricultural resources;integrate the major agricultural elements as defined by the community into policies;and, create a governance structure that fosters agricultural development into the future.展开更多
Cloud-free moderate-resolution imaging spectroradiometer(MODIS) images of the Zhujiang(Pearl) River Estuary(ZRE) taken between 2002 and 2012 are retrieved and used to study the spatial and temporal patterns of suspend...Cloud-free moderate-resolution imaging spectroradiometer(MODIS) images of the Zhujiang(Pearl) River Estuary(ZRE) taken between 2002 and 2012 are retrieved and used to study the spatial and temporal patterns of suspended sediment concentrations(SSCs) across the estuary under runoff, wind, and tropical storm conditions.Five typical dispersal patterns of suspended sediments in the estuary are defined: Case I shows generally low SSCs under low dynamics; Case Ⅱ shows a river-dominant dispersal pattern of suspended sediments from the outlets,particularly from Modaomen, Jiaomen, Hengmen, and others; Case Ⅲ shows wind-dominant dispersal of high SSCs derived from the west shoal and southwesterly transport under a strong NE wind; Case IV is the combination of relatively large runoff and wind; and Case V is caused by a strong tropical storm with high river discharge and wind, which is characterized by the high SSCs across the entire estuary that are transported eastward by winddriven and buoyancy currents outside the estuary. Runoff is a dominant factor that controls seasonal and annual SSC variations in the ZRE, with the area of high SSCs being largest in the summer and smallest in the spring. The correlation coefficients between the monthly averaged river-suspended sediment discharge and the area of the high SSCs are approximately 0.6. The wind power over the west shoal increases with a wind speed, which induces more sediment resuspension and shows a close relationship between the wind speed and high SSC area.展开更多
Taking South-wind Square in Yuncheng City for an example,the application of Eastern River Culture as a kind of regional culture in the construction of urban squares were analyzed in this study,to provide references fo...Taking South-wind Square in Yuncheng City for an example,the application of Eastern River Culture as a kind of regional culture in the construction of urban squares were analyzed in this study,to provide references for the future construction of squares in this city.展开更多
文摘为了提高机载嵌入式系统软件开发效率,快速生成软件原型,同时提升机载嵌入式系统软件的可移植性,研究了基于Wind River Hypervisor的机载嵌入式系统虚拟化技术,对Wind River Hypervisor架构进行了剖析,阐述了hyperkernel的内部结构,指明了Wind River Hypervisor中不同类型线程在系统运行过程中所承担的角色以及运行特点,并基于Wind River Hypervisor实现了多种虚拟化架构,通过对不同架构的对比展示了每种架构的特征,同时借助workbench+vxworks653环境证实了在机载嵌入式系统部署Wind River Hypervisor架构的可行性。
文摘Topographic map evidence from the Wyoming Wind River-Sweetwater River drainage divide area is used to test a recently proposed regional geomorphology paradigm defined by massive south- and southeast-oriented continental ice sheet melt water floods that flowed across the entire Missouri River drainage basin. The new paradigm forces recognition of an ice sheet created and occupied deep “hole” and is fundamentally different from the commonly accepted paradigm in which a pre-glacial north- and northeast-oriented slope would have prevented continental ice sheet melt water from reaching or crossing the Wind River-Sweetwater River drainage divide. Divide crossings (or low points) are identified as places where water once flowed across the drainage divide. Map evidence is interpreted first from the accepted paradigm perspective and second from the new paradigm perspective to determine the simplest explanation. Both paradigm perspectives suggest south-oriented water crossed the drainage divide, although accepted paradigm interpretations do not satisfactorily explain the large number of observed divide crossings and are complicated by the need to bury the Owl Creek and Bridger Mountains to explain why the Wind River now flows in a north direction through Wind River Canyon. New paradigm interpretations explain the large number of divide crossings as diverging and converging channel evidence (as in flood-formed anastomosing channel complexes), Owl Creek and Bridger Mountain uplift to have occurred as south-oriented floodwaters carved Wind River Canyon, and a major flood flow reversal (caused by ice sheet related crustal warping and the opening up of deep “hole” space by ice sheet melting) as being responsible for the Wind River abrupt turn to the north. While this test only addresses topographic map evidence, Occam’s Razor suggests the new paradigm offers what in science should be the preferred Wind River-Sweetwater River drainage divide origin interpretations.
文摘The Wind River Indian Reservation undertook the development of an agricultural resource management plan in 2015. The reservation is 8903 sq.km of which 63% is in crop and grazing lands. This project’s aim was to create a community-based integrated plan. A series of community meetings identified 83 issues and topics relating to agricultural development on the reservation. Using information from community meetings, the final agricultural resource management plan consists of 9 major elements, with 12 goals, 46 objectives and 88 policies. Three key issues are addressed in the plan: provide the reservation with a plan that leads to self-management of their agricultural resources;integrate the major agricultural elements as defined by the community into policies;and, create a governance structure that fosters agricultural development into the future.
基金The National Natural Science Foundation of China under contract Nos 41106015 and 41476073the National Key Research and Development Program of China under contract No.2016YFC0402600
文摘Cloud-free moderate-resolution imaging spectroradiometer(MODIS) images of the Zhujiang(Pearl) River Estuary(ZRE) taken between 2002 and 2012 are retrieved and used to study the spatial and temporal patterns of suspended sediment concentrations(SSCs) across the estuary under runoff, wind, and tropical storm conditions.Five typical dispersal patterns of suspended sediments in the estuary are defined: Case I shows generally low SSCs under low dynamics; Case Ⅱ shows a river-dominant dispersal pattern of suspended sediments from the outlets,particularly from Modaomen, Jiaomen, Hengmen, and others; Case Ⅲ shows wind-dominant dispersal of high SSCs derived from the west shoal and southwesterly transport under a strong NE wind; Case IV is the combination of relatively large runoff and wind; and Case V is caused by a strong tropical storm with high river discharge and wind, which is characterized by the high SSCs across the entire estuary that are transported eastward by winddriven and buoyancy currents outside the estuary. Runoff is a dominant factor that controls seasonal and annual SSC variations in the ZRE, with the area of high SSCs being largest in the summer and smallest in the spring. The correlation coefficients between the monthly averaged river-suspended sediment discharge and the area of the high SSCs are approximately 0.6. The wind power over the west shoal increases with a wind speed, which induces more sediment resuspension and shows a close relationship between the wind speed and high SSC area.
文摘Taking South-wind Square in Yuncheng City for an example,the application of Eastern River Culture as a kind of regional culture in the construction of urban squares were analyzed in this study,to provide references for the future construction of squares in this city.
