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- wide area differential GPS 广域差分
- The european geostationary navigation overlay service (EGNOS) provides three augmentation services, which are the ranging function, wide area differential corrections, and GNSS integrity channel. 摘要欧洲地球同步导航重叠服务(EGNOS)系统提供的增强服务有三类，即测距功能、广域差分校正和GNSS完好性通道。
- WADS Wide Area Differential System 广域差分系统
- local area differential GPS 局域差分GPS
- Wreckage of the aircraft was scattered over a wide area. 那架飞机的残骸散布范围很大。
- Our policemen were disbursed over a wide area. 我们的警察分布在一个广阔地区。
- Wide area differential method 广域差分方法
- Seen from above the town covers a wide area. 从高处下望; 这座城镇占地很广.
- Differential GPS Based Control of Heavy Vehicles; Final research rept. 重型飞行器的差分gps基控制/最终报告
- Our troops were disbursed over a wide area. 我们的军队分布在广大地区。
- The festival attracts people from a wide area. 这个艺术节吸引了四面八方的人。
- Wreckage of the plane showered a wide area. 那架飞机的残骸散落的范围很广。
- Jump to a Wide Area Information Server. 跳转至广域信息服务器。
- Our troops were disbursed over a wide area . 我们的军队分布在广大地区。
- In short-baseline differential GPS or E911 radiolocation based on mobile communication networks, multipath becomes a major ranging error source. 在近距差分GPS或者是基于移动通信网的E911用户定位中,多径干扰都成为了主要测距误差源。
- Wide Area Augmentation System (WAAS) ： A U.S.Federal Aviation Authority (FAA) system of equipment and software that supplements GPS accuracy, availability and integrity. 美国联邦航空系统的软硬件设备，可增加GPS的精准度。
- In the absence of the selective availability errors,the positioning accuracy of differential GPS is strongly dependent on the spatial decorrelation of the ionosphere. 在没有选择可用性条件下，差分GPS定位精度完全取决于电离层的空间不相关性。
- It also introduces the utility geodetic way which uses a cheaper differential GPS positioning system to do field-point geodetic survey in a conventional weapon test base. 并介绍了采用一种较低成本的差分GPS定位系统在常规兵器试验基地进行场点大地测量的实用方法。
- They needed trucks to distribute their produce over this wide area. 他们需要卡车把产品运往这一广阔地区里的各个地方。
- It is proved that the system has a high accuracy by making use of the technology of differential GPS, which is the improvement of the traditional artillery geodesy. 实践证明该系统利用差分GPS技术实现了炮兵阵地的快速准确定位,是对传统炮兵测地技术的一种改进。
