Telegraphese is distinguished by its omission of articles, relatives, connectives, personal, demonstrative and other pronouns, and auxiliary verbs . 电报文体以省略其冠词、关系词、连接词、人称、指示及其它代名词,以及助动词为特点。
2.
Gps receivers belong to the user equipment , mainly used to receive satellite signals and telegraphese , measure the distance from receiver to the satellites by the wireless signals , compute the position and speed of satellites by telegraphese , then compute the position and speed of user Gps卫星接收机属于卫星导航定位系统中的用户设备,主要用于接收卫星信号和电文,由无线电信号测定用户至卫星的距离,或多普勒频移等观测量;根据导航电文,计算观测卫星的位置和速度,根据观测量和卫星的位置、速度,解算出用户的位置和速度。
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It makes use of resource of the chip , realizes the development of every module , achieves distilling of telegraphese , builds up new frame , calculates the position and provides external interface . in the section of calculating the position , the author combines the two measures of carrier phase position and code position . finally , in the platform of matlab , the author completes the function simulation of main modules 概述了接收机的设计原理;详细描述了基于ti公司的tms320c6713dsp芯片的系统程序设计中各模块的实现,利用该芯片的资源,实现各模块的调度,完成对导航电文的提取,重新组帧,定位解算以及对外接口;在解算部分,把载波相位定位与码测距定位相结合,利用载波相位对伪距的平滑来提高定位精度;在matlab平台下进行了各模块的功能仿真测试,以仿真结果的图表来分析说明了载波相位平滑伪距的两种算法能使定位精度有一定的提高。