Titlebook: Satellite Navigation Systems and Technologies; Jun Xie,Haihong Wang,Yansong Meng Book 2021 Beijing Institute of Technology Press and Sprin

abreast

眼界

Satellite Navigation Broadcasting Link Technology,s to realize the positioning and timing. Satellite navigation is to determine the user’s position with the radio positioning method by receiving radio signal from a navigation satellite to measure the distance between the user and the navigation satellite in the principle of Time of Arrival (ToA) ranging.

万灵丹

Time-Frequency System for Satellite Navigation,his system mainly includes the establishment of system time, the generation and maintenance of satellite time, the intra-system time synchronization, the tracing of system time, the monitoring and prediction of GNSS time offset, and other work.

minion

遭遇

Jun Xie,Haihong Wang,Peng Li,Yansong Mengcomponents described by distinct metadata structures that use textual semantic descriptions and formal mathematical descriptions. The interaction interface concept enables definition and sharing of detailed semantics of parameters related with interactions. The solution was implemented as metadata s

Confound

beta-cells

Jun Xie,Haihong Wang,Peng Li,Yansong Menge water pollution continues in the lake since the inlet drainages carrying rainwater and wastewater from the surrounding hills and the urban development are awaiting treatments before flowing into the lake. Facing the dilemma of development and conservation of the lake by the physical, institutional

Proponent

Jun Xie,Haihong Wang,Peng Li,Yansong Mengractions among groups, which is a central quest for researchers in CSCL...Interactive Artifacts and Furniture Supporting Collaborative Work and Learning. illustrates a turn in the field of CSCL and emphasizes an important message for a generation of CSCL designers and researchers..

Jejune

轻快来事

Jun Xie,Haihong Wang,Peng Li,Yansong Menglarge display surfaces (whiteboards etc.), prefer seeing distant participants than simply hearing them, and that many meeting outcomes may be lost when, as is often the case, no proper recording of decisions is done..We describe here how we implemented affordances for augmented collaboration in meet