area navigation system meaning in English
区域领航系统
Examples
- In the area navigation system , we may suppose all of navigation stations and the users on the same horizontal level
在区域导航定位系统中,假设导航台和用户都在同一水平面。 - Satellite navigation systems shouldn ’ t be the only way , independent radio area navigation system should be developed with great effort
卫星导航系统不能作为唯一的导航手段,应重视发展自主的陆基区域无线电导航系统。 - Therefore the capability of spread spectrum code is the key to the capability of area navigation system . in this thesis parallel phase - shifting sequence as spread spectrum code is given , which has better capability
所以扩频码的相关性能直接关系到系统的通信性能,本文提出用m序列移位序列作扩频地址码,具有更好的性能。 - Considering characteristics of radio propagating offshore and flexibility of radio area navigation system , when distance is less than 1000km , center frequency of navigation signal should be chosen in 2mhz
综合考虑电波海上传播特性和陆基区域无线电导航系统的机动性,在海上作用距离不超过1000km时,导航信号中心频率采用2mhz频段。 - In this paper , the gdop ( geometric dilution of precision ) expression of area navigation system is deduced . using the matrix theory the lowest gdop and that gdop is smaller with more navigation stations are proved in theory
本论文推导了区域导航定位系统的几何精度因子,并用矩阵理论对其最小值及其随导航台个数增加而减小进行了证明。