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测地线 相关科技名词
- 无线电导航radionavigation
- 船舶无线电导航marine radio navigation
- 导航设备navigation aids
- 自主式导航设备self-contained navigational aids
- 陆基导航系统ground-based navigational system
- 星基导航系统satellite based navigational system
- 导航参数navigation parameter
- 测地线geodesic
- 精度几何因子geometry dilution of precision;GDOP
- 位置精度[几何]因子position dilution of precision;PDOP
- 水平精度[几何]因子horizontal dilution of precision;HDOP
- 垂直精度[几何]因子vertical dilution of precision;VDOP
- 时间精度因子time dilution of precision;TDOP
- 选择可用性selective availability;SA
- 运载体vehicle
- 时间分隔制time division system
- 频率分隔制frequency division system
- 码分隔制code division system
- 多值性ambiguity
- 无线电测向radio direction finding
- 甚高频无线电测向仪very high frequency radio direction finder;VHF RDF
- 自动测向仪automatic direction finder;ADF
- 环形天线loop antenna
- 旋转环形天线rotary loop antenna
- 固定环形天线fixed loop antenna
- 8字形[方向]特性figure of eight polar diagram
- 心形[方向]特性图cardioid polar diagram
- 天线效应antenna effect
- 极化误差polarization error
- 场地误差site error
- 环形天线装调误差loop alignment error
- 一次场primary field
- 二次场secondary field
- 二次辐射re-radiation
- 自差补偿装置deviation compensation device
- 测向灵敏度direction finder sensitivity
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