docs: 补充无人机GNSS术语说明

Cai

2026-08-13 3e71d77a448b4e3961629d452973e88b13ad06be

docs: 补充无人机GNSS术语说明

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@@ -21,3 +21,4 @@
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 ana-data/cases/军工案例/manifest/current_output_manifest.csv

@@ -546,7 +546,7 @@
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 ana-data/cases/军工案例/核心文档/重点专题/无人机产业链_重点研究.md

@@ -12,6 +12,7 @@
| MALE/HALE | 中/高空长航时大型无人机，与前线高损耗 FPV 的技术和订单逻辑不同。 |
| 单向攻击无人机 | 通常不回收、执行一次攻击任务的平台，平台、末制导和战斗部应分环节计价。 |
| 飞控/导航/数据链 | 飞控负责稳定和执行动作，导航负责位置姿态，数据链负责控制与信息传输，三者不是一回事。 |
| GNSS | 全球导航卫星系统（Global Navigation Satellite System）的统称，不是某一个单独系统；包括中国北斗 BDS、美国 GPS、俄罗斯 GLONASS 和欧盟 Galileo 等。无人机用它获得经纬度、高度、速度和统一时间，以支持航点飞行、定点悬停和自动返航。GNSS 容易受遮挡、干扰和欺骗，因此中高端无人机通常将其与 IMU/INS 组成组合导航；基础人工操纵 FPV 则可能不装 GNSS。 |
| COTS | 商用现成器件或平台；可降低成本和加快迭代，但不自动满足军用可靠性、认证和出口要求。 |

更多定义和常见误读见[军工专有名词与技术路线词典](军工专有名词与技术路线词典.md)。

 ana-doc/军工案例/案例执行日志.md

@@ -4349,3 +4349,10 @@
- 公开产品链确认：u-blox接收机进入CUAV/Holybro/Matek等非上市无人机导航模组；北斗星通旗下和芯星通UM982官方明确面向无人机高精度定位定向，是A股池中最直接的无人机导航产品级映射。星网宇达、晨曦航空、华力创通属于高等级组合导航/航电/任务链能力映射；理工导航、北方导航仅列武器导航相邻，不因公司名称或制导业务写成无人机模组供应商。
- 供货结论分成 `DIRECT_PRODUCT_BOM_DISCLOSED`、`DIRECT_UAV_APPLICATION_PRODUCT`、`CAPABILITY_MATCH_NO_PLATFORM_DISCLOSURE` 等等级。任何“适用于无人机”均不等于已向军用型号、俄乌或中东战场供货；具体型号、客户、批量、单机价值、合同、交付和回款未公开时继续记 `UNKNOWN`。
- `formal_core_files=581`；`.releases=0`；`BATCH034=UNCHANGED_EXCLUDED`；`review_state=USER_DIRECT_UPDATE_NO_ADDITIONAL_REVIEW_CHAIN`。

### 41.20 无人机专题 GNSS 术语补充

- `task_id=TASK-DEFENSE-UAV-GNSS-TERM-CLARIFICATION-20260813-001`；`batch_id=BATCH-CONTENT-SPRINT-020`；`run_id=RUN-ANA-DEFENSE-INDUSTRY-001-BATCH-CONTENT-SPRINT-020-001`。
- 根据用户直接要求，原位更新唯一稳定 `核心文档/重点专题/无人机产业链_重点研究.md` 的“阅读前术语速查”，未创建版本目录、第二套正文树或额外审核链。
- 新增 GNSS 的中英文全称和系统边界，列明北斗、GPS、GLONASS、Galileo，并说明其在无人机航点飞行、悬停、返航中的作用、受干扰/欺骗风险、与 IMU/INS 组合导航的关系，以及基础人工操纵 FPV 可能不安装 GNSS 的边界。
- `formal_core_files=581`；`.releases=0`；`review_state=USER_DIRECT_UPDATE_NO_ADDITIONAL_REVIEW_CHAIN`。