无线电工程
無線電工程
무선전공정
RADIO ENGINEERING OF CHINA
2011年
12期
32-35
,共4页
卫星导航%时延测量%单向时延%组合时延
衛星導航%時延測量%單嚮時延%組閤時延
위성도항%시연측량%단향시연%조합시연
satellite navigation%delay measurement%one-way delay%combination of delay
为了提高无线电卫星导航定位系统(RNSS)的精度,需要对导航设备时延进行精确测量。给出了导航设备的时延测量方法,研究了使用专用时延传递设备进行时延测试的实现方案,介绍了专用时延传递设备对接收链路和发射链路进行时延测量的方法,指出了该方法的创新性和实际测试过程中的应该注意的问题,给出了测试结果及误差分析。
為瞭提高無線電衛星導航定位繫統(RNSS)的精度,需要對導航設備時延進行精確測量。給齣瞭導航設備的時延測量方法,研究瞭使用專用時延傳遞設備進行時延測試的實現方案,介紹瞭專用時延傳遞設備對接收鏈路和髮射鏈路進行時延測量的方法,指齣瞭該方法的創新性和實際測試過程中的應該註意的問題,給齣瞭測試結果及誤差分析。
위료제고무선전위성도항정위계통(RNSS)적정도,수요대도항설비시연진행정학측량。급출료도항설비적시연측량방법,연구료사용전용시연전체설비진행시연측시적실현방안,개소료전용시연전체설비대접수련로화발사련로진행시연측량적방법,지출료해방법적창신성화실제측시과정중적응해주의적문제,급출료측시결과급오차분석。
In order to improve the accuracy of radio satellite navigation system, accurate measurement of navigation equipment delay is necessary. The paper gives the de|ay measurement method for satellite payloads and ground control equipment of satellite navigation system, studies the implementation scheme for using special delay delivery equipment for delay test, introduces the delay measurement method for using special delay delivery equipment to measure the delay of receiving and transmitting links, describes the innovative feature of this method as well as the issues to be noticed during practical test, and finally gives the test data and analysis.