supported by the National Natural Science Foundation of China (Grant Nos. 42388102, 42274018)。
Satellite-based positioning navigation and timing(PNT) system is the most fundamental and convenient application system in PNT fields now and in the future, thus the satellite-based PNT service system should be more a...
Gravitational wave astronomy has opened a new window to the universe,allowing us to explore cosmic phenomena with unprecedented precision.Current detectors like LIGO[1],Virgo[1],KAGRA[1],LISA[2],Taiji[3],and Tian Qin[...
The Tetrahedral Constellation Gravitational Wave Observatory(TEGO)[1]represents a significant leap forward in gravitational wave detection,advancing our understanding of gravitational theory.By introducing a fourth sp...
the National Key Research and Development Program of China(No.2023YFB3907001);the financial support from the National Natural Science Foundation of China(Nos.62371029,U2233217 and 62101019);the Civil Aviation Security Capacity Building Fund Project of China(Nos.CAAC Contract 2021(77)and CAAC Contract 2022(110)).
Antenna Group Delay Variation(AGDV)is a hardware error source that affects the performance of Dual-Frequency Multi-Constellation(DFMC)Ground-based Augmentation System(GBAS),and these errors are difficult to distinguis...
supported by the Fundamental Research Funds for the Central Universities;the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant Nos.XDA15020701 and XDA15020708)。
For the first time,we have introduced the tetrahedron constellation of gravitational wave observatory(TEGO)composed of four identical spacecrafts(S/Cs).The laser telescopes and their pointing structures are mounted on...
supported by Fundamental Research Program of Shanxi Province(202203021212159)。
Faster-than-Nyquist(FTN)signaling is a potential scheme for the sixth generation(6G)communication system to improve the spectral efficiency(SE).In this paper,we propose a joint optimization algorithm of precoding and ...
supported by the National Natural Science Foundation of China (No.62273119).
To efficiently and accurately design satellite constellations equipped with Reentry Glide Vehicles(RGVs),new analytical solutions are developed for calculating their coverage perfor-mance.Specifically,a new coverage m...
supported in part by National Key R&D Program of China under Grant No.2021YFB2900200;in part by National Natural Science Foundation of China under Grant Nos.U20B2039 and 62301032;in part by China Postdoctoral Science Foundation under Grant No.2023TQ0028.
Integrated sensing and communication(ISAC)is regarded as a pivotal technology for 6G communication.In this paper,we employ Kullback-Leibler divergence(KLD)as the unified performance metric for ISAC systems and investi...
This work was supported by the National Key Research and Development Program of China(2021YFB2900603);the National Natural Science Foundation of China(61831008).
A dynamic multi-beam resource allocation algorithm for large low Earth orbit(LEO)constellation based on on-board distributed computing is proposed in this paper.The allocation is a combinatorial optimization process u...
A COnstellation of Radiation BElt Survey(CORBES)program is proposed by the Sub-Group on Radiation Belt(SGRB)of TGCSS,COSPAR.To address the open qustions about the dynamics of the Earth’s radiation belt,CORBES mission...