A5088263002- Electromagnetic Simulation and Numerical Methods
- Microwave Engineering and Waveguides
- Gyrotron and Vacuum Electronics Research
- Advanced Antenna and Metasurface Technologies
- Pulsed Power Technology Applications
- Electromagnetic Scattering and Analysis
- Geophysical Methods and Applications
- Photonic and Optical Devices
- Electromagnetic Launch and Propulsion Technology
- Lightning and Electromagnetic Phenomena
- Thermal Analysis in Power Transmission
Nanjing University of Aeronautics and Astronautics
2021-2022
In this letter, the unconditionally stable associated hermite (AH) finite-difference time-domain (FDTD) method is extended to analyze three-dimensional (3-D) periodic structure. By combining 3-D AH FDTD and split-field technique, a 13-points coefficient matrix equation eliminate phase shift obtained with corrected nonzero elements. To deal overflow at boundaries, updated by Floquet theory as long treatment of angular points boundary. The updating source term derived...
Photovoltaic energy storage microgrid power generation system is composed of photovoltaic equipment and equipment. As an important part system, panels are vulnerable to electromagnetic pulse interference. High coupled into the supply through panels, which generates induced current then could cause serious damage system. Based on finite-difference time-domain (FDTD) method, this paper analyzes coupling effect high panel. The mechanism analyzed qualitatively, facilitate study protection design
As electromagnetic pulse (EMP) weapons are widely used in modern maritime operations, the electronic equipment of shipboard integrated radio frequency (RF) systems vulnerable. In order to analyse interference, this paper introduces waveform and parameter characteristics high-power microwave (HPM), ultra-wideband (UWB) pulse, high-altitude nuclear explosion (HEMP), studies coupling effect typical strong on RF system. By changing incident direction, polarization amplitude law phased array...
In this paper, the Associated Hermite finite-difference time-domain (AH FDTD) method and Genetic algorithm (GA) are combined to optimize photonic bandgap structure by selecting proper positions types of material for four infinitely long dielectric rods find desire transmission coefficient with bandgap. Compared traditional FDTD method, AH could improve computational efficiency speed up optimization GA. It shows that when total number iterations is 2500 a whole calculation, it will take 21...
An unconditionally stable solution using Chebyshev polynomials is proposed for the finite-difference time-domain (FDTD) method. The orthogonality and recurrence of are used to reconstruct signal, differential matrix established realize transformation Maxwell's equations domain. examples show that error below −50dB when compared with conventional FDTD