Systematic error estimation and accuracy evaluation for two-way satellite time and frequency transfe

来源 :第九届中国卫星导航学术年会 | 被引量 : 0次 | 上传用户:zhiyuanboxue
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  The time delay could hardly be calibrated accurately for the two-way satellite time and frequency transfer equipment.Therefore the time delay error and its secular drift would not only restrict the time synchronization accuracy,but also restrict the broadcast parameters accuracy for the satellite navigation system.
其他文献
Compared with conventional RTK,Network RTK possesses the advantages of wide coverage,high real-time positioning accuracy,high reliability and etc.,which becomes a hot spot in the field of high-precisi
Knowledge of differential inter-system biases(DISBs)is critical to integrate observations from mixed GNSS.If the corresponding DISB could be calibrated in advance,only one pivot satellite is sufficien
In the inter-satellite communication system,the power of spread spectrum signal received by the receiving end has a large dynamic range due to the large distance between the senders and receivers.In o
Satellite navigation analog threat generate unit abnormal will lead to signal distortion,navigation signal analog threat will directly affect the ranging,positioning performance and other user experie
The GNSS receiver is susceptible to malicious spoofing attack and further estimates a wrong position which is considered as an arbitrary preset site from the spoofer.However,when the target receiver i
More and more signals are broadcast by navigation satellite systems nowadays to satisfy users diversified needs in positioning,navigation and timing(PNT).We usually adopt multiplexing techniques to co
The time domain and frequency domain anti-jamming technology based on single antenna,and the space domain anti-jamming technology based on antenna arrays,which can realize the interference suppression
Intermediate spoofing,identified as an efficient spoofing attack method,can launch a spoofing attack without interrupting the regular functioning of Global Navigation Satellite System(GNSS)receivers.G
Due to ambiguous acquisition caused by multiple peaks of auto-correlation function(ACF)of Binary Offset Carrier(BOC)modulation technology,an Odd-even Correlation Side-peak Cancellation Technology(OCSC
Orbit dynamics model is one of the most important factors determining the precision of orbit determination.It also determines navigation and positioning accuracy of navigation satellite system.