With the increasing number of satellites being launched in China,the demand for Telemetry,Tracking,and Command(TT&C)resources is also increasing.Because of the global coverage and resource requirements of TT&C...With the increasing number of satellites being launched in China,the demand for Telemetry,Tracking,and Command(TT&C)resources is also increasing.Because of the global coverage and resource requirements of TT&C management,this paper proposes a TT&C scheme based on the Global Short-Message Communication System(GSMCS)of the BeiDou-3 Navigation Satellite System(BDS-3).The system composition,workflow,and functions of satellite TT&C are analyzed using the GSMCS of BDS-3.Through the coverage analysis of the Medium Earth Orbit(MEO)constellation of BDS-3,scheme’s applicability is pointed out,and the correctness of the analysis results is verified via simulation.The value range of the link distance is derived by calculating the range of the distance variation between any 2 satellites in the BDS-3 MEO constellation and combining the intersatellite routing scheme.The calculation results show that the response time range of the autonomous request management application of in-orbit satellites based on the GSMCS of BDS-3 is 1.407 to 2.448 s.This can meet the requirements of TT&C service.展开更多
Chinese herbs have been used as dietary supplements to improve exercise performance.However,evidence-based studies for the use of Chinese herbs in sports remain scarce.Traditional Chinese therapy(TCT),a form of tradit...Chinese herbs have been used as dietary supplements to improve exercise performance.However,evidence-based studies for the use of Chinese herbs in sports remain scarce.Traditional Chinese therapy(TCT),a form of traditional Chinese non-pharmacological intervention,has remained in use for thousands of years in sports medicine.TCT is beneficial for sports injuries and in enhancing skill development,and is becoming increasingly popular among athletes,fitness enthusiasts,and individuals who regularly exercise.The therapeutic effects of TCT have been demonstrated by clinical and experimental studies,but using these modalities still is associate with potentially adverse effects.Further well-designed studies are necessary to confirm the efficacy of TCT in sports medicine.This review aims to summarize the application of TCT,discuss the issues surrounding TCT clinical research,and provide suggestions for applying traditional Chinese methods in the field of sports medicine.展开更多
基金funded by the Beijing Science and Technology Major Project of China,grant number Z18110400290000.
文摘With the increasing number of satellites being launched in China,the demand for Telemetry,Tracking,and Command(TT&C)resources is also increasing.Because of the global coverage and resource requirements of TT&C management,this paper proposes a TT&C scheme based on the Global Short-Message Communication System(GSMCS)of the BeiDou-3 Navigation Satellite System(BDS-3).The system composition,workflow,and functions of satellite TT&C are analyzed using the GSMCS of BDS-3.Through the coverage analysis of the Medium Earth Orbit(MEO)constellation of BDS-3,scheme’s applicability is pointed out,and the correctness of the analysis results is verified via simulation.The value range of the link distance is derived by calculating the range of the distance variation between any 2 satellites in the BDS-3 MEO constellation and combining the intersatellite routing scheme.The calculation results show that the response time range of the autonomous request management application of in-orbit satellites based on the GSMCS of BDS-3 is 1.407 to 2.448 s.This can meet the requirements of TT&C service.
基金supported by the National Key R&D Programme of the Ministry of Science and Technology of China(2019YFF0301704)the National Natural Science Foundation of China(81704190,82074576)+1 种基金Sichuan Science and Technology Project(2019YFS0526)the Key Laboratory of Sports Medicine of Sichuan Province.
文摘Chinese herbs have been used as dietary supplements to improve exercise performance.However,evidence-based studies for the use of Chinese herbs in sports remain scarce.Traditional Chinese therapy(TCT),a form of traditional Chinese non-pharmacological intervention,has remained in use for thousands of years in sports medicine.TCT is beneficial for sports injuries and in enhancing skill development,and is becoming increasingly popular among athletes,fitness enthusiasts,and individuals who regularly exercise.The therapeutic effects of TCT have been demonstrated by clinical and experimental studies,but using these modalities still is associate with potentially adverse effects.Further well-designed studies are necessary to confirm the efficacy of TCT in sports medicine.This review aims to summarize the application of TCT,discuss the issues surrounding TCT clinical research,and provide suggestions for applying traditional Chinese methods in the field of sports medicine.
