全球定位系统
全毬定位繫統
전구정위계통
GPS WORLD OF CHINA
2015年
4期
46-49,55
,共5页
接收机%多路径%钟差%内部噪声%评估
接收機%多路徑%鐘差%內部譟聲%評估
접수궤%다로경%종차%내부조성%평고
Receiver%multi-path%clock difference%interior noise%evaluate
随着我国北斗二代卫星导航系统的建设，国产接收机无论是种类还是性能都有了很大的进步。不同于传统的G PS接收机，配合北斗系统使用的国产接收机一般设计成BDS单模接收机或G PS／BDS双模接收机的形式。与技术相对成熟的国外接收机相比，国产接收机的可靠性和定位性能如何，是一个受到广泛关注的焦点问题。本文基于自研的G PS／BDS多频高精度接收机在实际研制生产过程中的评估工作，着重从观测数据的角度对接收机进行数据质量检查、接收机的钟差变化特性和接收机各频点的内部噪声水平进行评估，进而对接收机的定位性能进行初步判断，在不断的检验与改进的过程中逐步提高接收机的定位性能。
隨著我國北鬥二代衛星導航繫統的建設，國產接收機無論是種類還是性能都有瞭很大的進步。不同于傳統的G PS接收機，配閤北鬥繫統使用的國產接收機一般設計成BDS單模接收機或G PS／BDS雙模接收機的形式。與技術相對成熟的國外接收機相比，國產接收機的可靠性和定位性能如何，是一箇受到廣汎關註的焦點問題。本文基于自研的G PS／BDS多頻高精度接收機在實際研製生產過程中的評估工作，著重從觀測數據的角度對接收機進行數據質量檢查、接收機的鐘差變化特性和接收機各頻點的內部譟聲水平進行評估，進而對接收機的定位性能進行初步判斷，在不斷的檢驗與改進的過程中逐步提高接收機的定位性能。
수착아국북두이대위성도항계통적건설，국산접수궤무론시충류환시성능도유료흔대적진보。불동우전통적G PS접수궤，배합북두계통사용적국산접수궤일반설계성BDS단모접수궤혹G PS／BDS쌍모접수궤적형식。여기술상대성숙적국외접수궤상비，국산접수궤적가고성화정위성능여하，시일개수도엄범관주적초점문제。본문기우자연적G PS／BDS다빈고정도접수궤재실제연제생산과정중적평고공작，착중종관측수거적각도대접수궤진행수거질량검사、접수궤적종차변화특성화접수궤각빈점적내부조성수평진행평고，진이대접수궤적정위성능진행초보판단，재불단적검험여개진적과정중축보제고접수궤적정위성능。
Along with the construction of Chinese BeiDou Satellite Navigation System , the domestic receiver have been remarkable better than before at types and abilities .Differ from a traditional GPS receiver ,match Chinese BeiDou Satellite navigation system use of the domestic receiver generally design into BDS single mold or GPS/BDS double mold receiver . Compared with the foreign receiver of technique opposite maturity ,how about the perform‐ance of domestic receiver are ,is a focus problem that is subjected to extensive concern .This text base on the BDS/GPS multi‐frequency high accuracy receiver developed by our self dur‐ing the physically developing and evaluating work in the production line ,emphasize to muti‐path ,the clock ability and interior noise ,for initial judge and evaluate the receiver ’ s per‐formance ,gradually improve the credibility and performance of receiver in the process of the continuous examination and the improvement .
