supported by National Natural Science Foundation of China(Nos.92271202 and 92371105)。
The attack angle may greatly affect the hypersonic plasma sheaths around the re-entry vehicle,thereby affecting the transmission characteristics of electromagnetic(EM)waves in the sheaths.In this paper,we propose an i...
supported by the National Natural Science Foundation of China(Nos.62371375,62371372,62101406 and 62001340);Innovation Capability Support Program of Shaanxi,China(No.2022TD-37);the Fundamental Research Funds for Central Universities,China(Nos.XJS221302 and QTZX23060).
The Tracking,Telemetering,and Command(TT&C)communication of spacecraft faces severe limitations during reentry.The Electromagnetic(EM)propagation channel is influenced by changes in the flight state and fluid dynamics...
Project supported by the National Natural Science Foundation of China(Grant Nos.12275202,62371372,62101406,and 62001340);China Postdoctoral Science Foundation(Grant Nos.2022M71490 and 2020M673341);the Innovation Capability Support Program of Shaanxi Province,China(Grant No.2022TD-37);the Natural Science Basic Research Program of Shaanxi Province,China(Grant No.2023JC-YB-549)。
“Magnetic window”is considered as an effective method to solve the communication blackout issue.COMSOL software package based on the finite element method is utilized to simulate the propagation of right-handed circ...
A weakly magnetized sheath for a collisionless, electronegative plasma comprising positive ions,electrons, and negative ions is investigated numerically using the fluid approach. The electrons are considered to be non...
the Joint Laboratory of Plasma Application Technology Funding,China(No.JL06120001H);the Key R&D Plan of Anhui Province,China(No.201904a07020013).
Research on terahertz communication under different vehicles has important guiding significance for the design of future hypersonic vehicle and Radio Frequency(RF)blackout.In this paper,a joint simulation model of pla...
supported by National Natural Science Foundation of China(No.51977110)。
To understand the characteristics of the plasma sheath within small tubes,a 2D numerical model of He discharge within dielectric tubes is developed.During plasma propagation for a tube diameter of 0.05 mm,the sheath t...
supported by National Natural Science Foundation of China(Nos.11975062,11605021 and 11975088);the China Postdoctoral Science Foundation(No.2017M621120)。
The properties of an atmospheric-pressure collisional plasma sheath with nonextensively distributed electrons and hypothetical ionization source terms are studied in this work. The Bohm criterion for the magnetized pl...
the auspices of National Natural Science Foundation of China(Nos.51827809,52077169);the National Key R&D Program of China(No.2020YFC2201100)。
In this work,an improved understanding of electron sheath theory is provided using both fluid and kinetic approaches while elaborating on their implications for plasma–surface interactions.A fluid model is proposed c...
financial support from National Natural Science Foundation of China(Nos.61871302,62101406 and 62001340);the Fundamental Research Funds for the Central Universities(No.JB211311)。
For reentry communication,owing to the influence of the highly dynamic plasma sheath(PS),the parasitic modulation effect can occur and the received phase shift keying(PSK)signal constellation can be severely rotated,l...
The plasma sheath covering hypersonic vehicles has a significant effect on the propagation of electromagnetic waves.Based on the calculation of the flow field of a conical cylindrical,this work studies the propagation...