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CMO环境模型-地表覆盖模型详解

CMO环境模型-地表覆盖模型详解 /// summary/// 地面单元隐蔽能力计算器对应 ActiveUnit.LandCoverMaskingCapability。/// /summarypublicstaticclassLandCoverMaskingCalculator{/// summary/// 根据地表覆盖类型查表得到地面单元的隐蔽能力值。/// /summaryprivatestaticreadonlyDictionaryLandCoverType,doubleMaskingCapabilitynewDictionaryLandCoverType,double{// 取值依据参考 ActiveUnit.LandCoverMaskingCapability 设定。// 遮蔽越强建筑密集、植被茂密隐蔽能力值越高开阔水面与裸地隐蔽性差。{LandCoverType.Water,0.10},{LandCoverType.Evergreen_Needleleaf_forest,0.70},{LandCoverType.Evergreen_Broadleaf_forest,0.72},{LandCoverType.Deciduous_Needleleaf_forest,0.62},{LandCoverType.Deciduous_Broadleaf_forest,0.64},{LandCoverType.Mixed_forest,0.66},{LandCoverType.Closed_shrublands,0.55},{LandCoverType.Open_shrublands,0.38},{LandCoverType.Woody_savannas,0.58},{LandCoverType.Savannas,0.40},{LandCoverType.Grasslands,0.35},{LandCoverType.Permanent_wetlands,0.45},{LandCoverType.Croplands,0.40},{LandCoverType.UrbanAndBuiltUp,0.90},{LandCoverType.CroplandNaturalVegetationMosaic,0.50},{LandCoverType.SnowAndIce,0.15},{LandCoverType.BarrenOrSparselyVegetated,0.20},{LandCoverType.Urban_CloseInnerCity,0.95},{LandCoverType.Urban_SpacedHighRise,0.92},{LandCoverType.Urban_AttachedHouses,0.85},{LandCoverType.Urban_CloseIndustrial,0.93},{LandCoverType.Urban_SpacedApartments,0.83},{LandCoverType.Urban_DetachedHouses,0.75},{LandCoverType.Urban_SpacedIndustrial,0.80},{LandCoverType.Urban_ShantyTown,0.88}};/// summary/// 计算指定地表覆盖类型下的地面单元隐蔽能力值。/// /summary/// param namecover地表覆盖类型/param/// returns隐蔽能力值0~1越大表示隐蔽性越强/returnspublicstaticdoubleGetMaskingCapability(LandCoverTypecover){// 关键逻辑优先查表未收录的类型回退到默认值// 避免 Unclassified 等取值导致隐蔽能力计算异常。if(MaskingCapability.TryGetValue(cover,outdoublevalue)){returnvalue;}return0.30;// 默认隐蔽能力值}}本节小结本节定义的LandCoverType枚举以 27 种取值统一驱动探测与毁伤两条链路同一份地表覆盖类型既通过RadarClutterCalculator影响雷达地杂波反射系数表 4-13又通过DamageAttenuationCalculator决定冲击波/破片毁伤衰减表 5-9还通过LandCoverMaskingCalculator刻画地面单元的隐蔽能力ActiveUnit.LandCoverMaskingCapability。三个计算器遵循同一设计模式——以DictionaryLandCoverType, double字典查表为核心配合TryGetValue与默认回退值确保Unclassified、Use_Underlying_Values等特殊取值或未来新增类型不会导致计算链路中断。这一模型为后续章节如 7.x 战场环境仿真提供了统一的环境要素输入仿真系统只需按网格单元读取地表覆盖类型即可同时得到探测概率修正与毁伤衰减修正从而在复杂地形上还原真实的战场态势。下面给出 LandCoverType 枚举的定义以及它在雷达杂波计算中的引用示例/// summary/// 地表覆盖类型与表 6-8 一一对应。/// /summarypublicenumLandCoverType:byte{Water0,Evergreen_Needleleaf_forest1,Evergreen_Broadleaf_forest2,Deciduous_Needleleaf_forest3,Deciduous_Broadleaf_forest4,Mixed_forest5,Closed_shrublands6,Open_shrublands7,Woody_savannas8,Savannas9,Grasslands10,Permanent_wetlands11,Croplands12,UrbanAndBuiltUp13,CroplandNaturalVegetationMosaic14,SnowAndIce15,BarrenOrSparselyVegetated16,Unclassified254,Use_Underlying_Valuesbyte.MaxValue,Urban_CloseInnerCity201,Urban_SpacedHighRise202,Urban_AttachedHouses203,Urban_CloseIndustrial204,Urban_SpacedApartments205,Urban_DetachedHouses206,Urban_SpacedIndustrial207,Urban_ShantyTown208}/// summary/// 雷达地杂波反射系数计算器。/// /summarypublicstaticclassRadarClutterCalculator{/// summary/// 根据地表覆盖类型查表得到地杂波反射系数对应表 4-13。/// /summaryprivatestaticreadonlyDictionaryLandCoverType,doubleClutterReflectivitynewDictionaryLandCoverType,double{// 取值依据参考表 4-13 雷达地杂波反射系数设定。// 植被越茂密、建筑越密集反射系数越高开阔水面与冰雪反射低。{LandCoverType.Water,0.02},{LandCoverType.Evergreen_Needleleaf_forest,0.18},{LandCoverType.Evergreen_Broadleaf_forest,0.20},{LandCoverType.Deciduous_Needleleaf_forest,0.15},{LandCoverType.Deciduous_Broadleaf_forest,0.16},{LandCoverType.Mixed_forest,0.17},{LandCoverType.Closed_shrublands,0.12},{LandCoverType.Open_shrublands,0.07},{LandCoverType.Woody_savannas,0.11},{LandCoverType.Savannas,0.06},{LandCoverType.Grasslands,0.08},{LandCoverType.Permanent_wetlands,0.13},{LandCoverType.Croplands,0.10},{LandCoverType.UrbanAndBuiltUp,0.25},{LandCoverType.CroplandNaturalVegetationMosaic,0.14},{LandCoverType.SnowAndIce,0.05},{LandCoverType.BarrenOrSparselyVegetated,0.04},{LandCoverType.Urban_CloseInnerCity,0.30},{LandCoverType.Urban_SpacedHighRise,0.26},{LandCoverType.Urban_AttachedHouses,0.24},{LandCoverType.Urban_CloseIndustrial,0.28},{LandCoverType.Urban_SpacedApartments,0.22},{LandCoverType.Urban_DetachedHouses,0.19},{LandCoverType.Urban_SpacedIndustrial,0.23},{LandCoverType.Urban_ShantyTown,0.27}};/// summary/// 计算指定地表覆盖类型下的雷达地杂波反射系数。/// /summary/// param namecover地表覆盖类型/param/// returns反射系数0~1/returnspublicstaticdoubleGetClutterReflectivity(LandCoverTypecover){// 关键逻辑优先查表未收录的类型回退到默认值// 避免 Unclassified 等取值导致计算异常。if(ClutterReflectivity.TryGetValue(cover,outdoublevalue)){returnvalue;}return0.05;// 默认反射系数}}上述代码中LandCoverType枚举与表 6-8 的取值一一对应RadarClutterCalculator.GetClutterReflectivity通过查表方式将地表覆盖类型映射为雷达地杂波反射系数并针对未收录类型提供默认回退保证杂波计算链路在任意枚举取值下都能稳定运行。表 6-8 LandCoverType 地表覆盖类型27 种枚举成员 取值 说明Water 0 江河湖泊等开阔水面雷达反射低、隐蔽性差Evergreen_Needleleaf_forest 1 针叶常绿林遮蔽较强、雷达杂波中等Evergreen_Broadleaf_forest 2 阔叶常绿林遮蔽较强、雷达杂波中等Deciduous_Needleleaf_forest 3 针叶落叶林冬季遮蔽减弱、杂波随季节变化Deciduous_Broadleaf_forest 4 阔叶落叶林冬季遮蔽减弱、杂波随季节变化Mixed_forest 5 针阔混交林遮蔽与杂波介于纯林之间Closed_shrublands 6 茂密灌丛低矮遮蔽、杂波较低Open_shrublands 7 稀疏灌丛遮蔽弱、杂波低Woody_savannas 8 稀树草原遮蔽中等、杂波较低Savannas 9 热带草原遮蔽弱、杂波低Grasslands 10 开阔草地遮蔽弱、雷达反射低Permanent_wetlands 11 永久湿地地表湿润、杂波中等Croplands 12 农田耕地遮蔽弱、杂波较低UrbanAndBuiltUp 13 城市建成区遮蔽强、杂波高CroplandNaturalVegetationMosaic 14 农田与自然植被混合遮蔽与杂波中等SnowAndIce 15 冰雪覆盖雷达反射低、隐蔽性差BarrenOrSparselyVegetated 16 裸地或稀疏植被遮蔽极弱、杂波低Unclassified 254 未分类区域通常回退到默认计算值Use_Underlying_Values byte.MaxValue 使用底层地表覆盖值用于多图层叠加场景Urban_CloseInnerCity 201 老城区密集建筑遮蔽强、杂波高Urban_SpacedHighRise 202 高层建筑稀疏分布遮蔽中等、杂波较高Urban_AttachedHouses 203 联排住宅区遮蔽中等、杂波中等Urban_CloseIndustrial 204 密集工业区遮蔽强、杂波高Urban_SpacedApartments 205 公寓楼稀疏分布遮蔽中等、杂波中等Urban_DetachedHouses 206 独栋住宅区遮蔽弱、杂波较低Urban_SpacedIndustrial 207 稀疏工业区遮蔽中等、杂波中等Urban_ShantyTown 208 棚户区建筑密集且结构简陋遮蔽中等、杂波较高下面给出根据 LandCoverType 查表获取冲击波/破片衰减系数的示例对应表 5-9/// summary/// 冲击波与破片毁伤衰减系数计算器对应表 5-9。/// /summarypublicstaticclassDamageAttenuationCalculator{/// summary/// 根据地表覆盖类型查表得到冲击波/破片毁伤衰减系数对应表 5-9。/// /summaryprivatestaticreadonlyDictionaryLandCoverType,doubleDamageAttenuationnewDictionaryLandCoverType,double{// 取值依据参考表 5-9 冲击波/破片毁伤衰减系数设定。// 遮蔽越强建筑密集、植被茂密衰减系数越大开阔水面与裸地衰减低。{LandCoverType.Water,0.30},{LandCoverType.Evergreen_Needleleaf_forest,0.65},{LandCoverType.Evergreen_Broadleaf_forest,0.68},{LandCoverType.Deciduous_Needleleaf_forest,0.58},{LandCoverType.Deciduous_Broadleaf_forest,0.60},{LandCoverType.Mixed_forest,0.62},{LandCoverType.Closed_shrublands,0.52},{LandCoverType.Open_shrublands,0.42},{LandCoverType.Woody_savannas,0.55},{LandCoverType.Savannas,0.44},{LandCoverType.Grasslands,0.45},{LandCoverType.Permanent_wetlands,0.48},{LandCoverType.Croplands,0.50},{LandCoverType.UrbanAndBuiltUp,0.85},{LandCoverType.CroplandNaturalVegetationMosaic,0.53},{LandCoverType.SnowAndIce,0.35},{LandCoverType.BarrenOrSparselyVegetated,0.40},{LandCoverType.Urban_CloseInnerCity,0.92},{LandCoverType.Urban_SpacedHighRise,0.88},{LandCoverType.Urban_AttachedHouses,0.82},{LandCoverType.Urban_CloseIndustrial,0.90},{LandCoverType.Urban_SpacedApartments,0.80},{LandCoverType.Urban_DetachedHouses,0.72},{LandCoverType.Urban_SpacedIndustrial,0.78},{LandCoverType.Urban_ShantyTown,0.86}};/// summary/// 计算指定地表覆盖类型下的冲击波/破片毁伤衰减系数。/// /summary/// param namecover地表覆盖类型/param/// returns衰减系数0~1越大表示遮蔽越强/returnspublicstaticdoubleGetDamageAttenuation(LandCoverTypecover){// 关键逻辑优先查表未收录的类型回退到默认值// 避免 Unclassified 等取值导致毁伤计算异常。if(DamageAttenuation.TryGetValue(cover,outdoublevalue)){returnvalue;}return0.50;// 默认衰减系数}}上述代码中DamageAttenuationCalculator.GetDamageAttenuation通过查表方式将地表覆盖类型映射为冲击波/破片毁伤衰减系数对应表 5-9并针对未收录类型提供默认回退保证毁伤计算链路在任意枚举取值下都能稳定运行。下面给出根据 LandCoverType 查表获取地面单元隐蔽能力的示例对应 ActiveUnit.LandCoverMaskingCapability/// summary/// 地面单元隐蔽能力计算器对应 ActiveUnit.LandCoverMaskingCapability。/// /summarypublicstaticclassLandCoverMaskingCalculator{/// summary/// 根据地表覆盖类型查表得到地面单元的隐蔽能力值。/// /summaryprivatestaticreadonlyDictionaryLandCoverType,doubleMaskingCapabilitynewDictionaryLandCoverType,double{// 取值依据参考 ActiveUnit.LandCoverMaskingCapability 设定。// 遮蔽越强建筑密集、植被茂密隐蔽能力值越高开阔水面与裸地隐蔽性差。{LandCoverType.Water,0.10},{LandCoverType.Evergreen_Needleleaf_forest,0.70},{LandCoverType.Evergreen_Broadleaf_forest,0.72},{LandCoverType.Deciduous_Needleleaf_forest,0.62},{LandCoverType.Deciduous_Broadleaf_forest,0.64},{LandCoverType.Mixed_forest,0.66},{LandCoverType.Closed_shrublands,0.55},{LandCoverType.Open_shrublands,0.38},{LandCoverType.Woody_savannas,0.58},{LandCoverType.Savannas,0.40},{LandCoverType.Grasslands,0.35},{LandCoverType.Permanent_wetlands,0.45},{LandCoverType.Croplands,0.40},{LandCoverType.UrbanAndBuiltUp,0.90},{LandCoverType.CroplandNaturalVegetationMosaic,0.50},{LandCoverType.SnowAndIce,0.15},{LandCoverType.BarrenOrSparselyVegetated,0.20},{LandCoverType.Urban_CloseInnerCity,0.95},{LandCoverType.Urban_SpacedHighRise,0.92},{LandCoverType.Urban_AttachedHouses,0.85},{LandCoverType.Urban_CloseIndustrial,0.93},{LandCoverType.Urban_SpacedApartments,0.83},{LandCoverType.Urban_DetachedHouses,0.75},{LandCoverType.Urban_SpacedIndustrial,0.80},{LandCoverType.Urban_ShantyTown,0.88}};/// summary/// 计算指定地表覆盖类型下的地面单元隐蔽能力值。/// /summary/// param namecover地表覆盖类型/param/// returns隐蔽能力值0~1越大表示隐蔽性越强/returnspublicstaticdoubleGetMaskingCapability(LandCoverTypecover){// 关键逻辑优先查表未收录的类型回退到默认值// 避免 Unclassified 等取值导致隐蔽能力计算异常。if(MaskingCapability.TryGetValue(cover,outdoublevalue)){returnvalue;}### 本节小结本节定义的 LandCoverType 枚举以27种取值统一驱动探测与毁伤两条链路同一份地表覆盖类型既通过 RadarClutterCalculator 影响雷达地杂波反射系数表4-13又通过 DamageAttenuationCalculator 决定冲击波/破片毁伤衰减表5-9还通过 LandCoverMaskingCalculator 刻画地面单元的隐蔽能力ActiveUnit.LandCoverMaskingCapability。三个计算器遵循同一设计模式——以 DictionaryLandCoverType,double 字典查表为核心配合 TryGetValue 与默认回退值确保 Unclassified、Use_Underlying_Values 等特殊取值或未来新增类型不会导致计算链路中断。这一模型为后续章节如7.x 战场环境仿真提供了统一的环境要素输入仿真系统只需按网格单元读取地表覆盖类型即可同时得到探测概率修正与毁伤衰减修正从而在复杂地形上还原真实的战场态势。return0.30;// 默认隐蔽能力值}}
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