A medium wave(MW)640×512(25μm)Mercury Cadmium Telluride(HgCdTe)polarimetric focal plane array(FPA)was demonstrated.The micro-polarizer array(MPA)has been carefully designed in terms of line grating structure opt...A medium wave(MW)640×512(25μm)Mercury Cadmium Telluride(HgCdTe)polarimetric focal plane array(FPA)was demonstrated.The micro-polarizer array(MPA)has been carefully designed in terms of line grating structure optimization and crosstalk suppression.A monolithic fabrication process with low damage was explored,which was verified to be compatible well with HgCdTe devices.After monolithic integration of MPA,NETD<9.5 mK was still maintained.Furthermore,to figure out the underlying mechanism that dominat⁃ed the extinction ratio(ER),specialized MPA layouts were designed,and the crosstalk was experimentally vali⁃dated as the major source that impacted ER.By expanding opaque regions at pixel edges to 4μm,crosstalk rates from adjacent pixels could be effectively reduced to approximately 2%,and promising ERs ranging from 17.32 to 27.41 were implemented.展开更多
目的:分析2020年湖北省县级疾病预防与控制中心卫生人力资源配置的公平性并进行可视化呈现,为优化基层疾病预防控制机构人才队伍建设提供参考。方法:运用洛伦茨曲线(Lorenz curve)和基尼系数(Gini coefficient)衡量县级疾病预防控制中...目的:分析2020年湖北省县级疾病预防与控制中心卫生人力资源配置的公平性并进行可视化呈现,为优化基层疾病预防控制机构人才队伍建设提供参考。方法:运用洛伦茨曲线(Lorenz curve)和基尼系数(Gini coefficient)衡量县级疾病预防控制中心卫生人力资源配置公平性,运用莫兰指数(Moran s I)分析空间集聚效应,绘制LISA图对聚集效应进行可视化呈现。结果:卫生人力资源按常住人口和地理面积配置的Gini系数分别为0.53、0.85。按常住人口和地理面积配置的全局Moran s I分别为0.22、0.46,说明存在空间聚集性,通过计算局部Moran s I所绘制LISA图显示低—低型区域主要集中在人口密度高的鄂东、鄂中地区以及地理面积广的鄂西地区。结论:湖北省县级疾病预防控制中心卫生人力资源公平性有待提高,空间分布欠合理,政府在制定基层卫生人力资源政策时,需要同时考虑人口和空间因素规划卫生技术人员分布。展开更多
基金Supported by the self-funded project of Kunming Institute of Physics。
文摘A medium wave(MW)640×512(25μm)Mercury Cadmium Telluride(HgCdTe)polarimetric focal plane array(FPA)was demonstrated.The micro-polarizer array(MPA)has been carefully designed in terms of line grating structure optimization and crosstalk suppression.A monolithic fabrication process with low damage was explored,which was verified to be compatible well with HgCdTe devices.After monolithic integration of MPA,NETD<9.5 mK was still maintained.Furthermore,to figure out the underlying mechanism that dominat⁃ed the extinction ratio(ER),specialized MPA layouts were designed,and the crosstalk was experimentally vali⁃dated as the major source that impacted ER.By expanding opaque regions at pixel edges to 4μm,crosstalk rates from adjacent pixels could be effectively reduced to approximately 2%,and promising ERs ranging from 17.32 to 27.41 were implemented.
文摘目的:分析2020年湖北省县级疾病预防与控制中心卫生人力资源配置的公平性并进行可视化呈现,为优化基层疾病预防控制机构人才队伍建设提供参考。方法:运用洛伦茨曲线(Lorenz curve)和基尼系数(Gini coefficient)衡量县级疾病预防控制中心卫生人力资源配置公平性,运用莫兰指数(Moran s I)分析空间集聚效应,绘制LISA图对聚集效应进行可视化呈现。结果:卫生人力资源按常住人口和地理面积配置的Gini系数分别为0.53、0.85。按常住人口和地理面积配置的全局Moran s I分别为0.22、0.46,说明存在空间聚集性,通过计算局部Moran s I所绘制LISA图显示低—低型区域主要集中在人口密度高的鄂东、鄂中地区以及地理面积广的鄂西地区。结论:湖北省县级疾病预防控制中心卫生人力资源公平性有待提高,空间分布欠合理,政府在制定基层卫生人力资源政策时,需要同时考虑人口和空间因素规划卫生技术人员分布。
