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International Journal of Advanced Network, Monitoring and Controls
Volume 8 (2023): Numero 1 (January 2023)
Accesso libero
Research and Simulation of Negative Group Delay and Superluminal Propagation
Yueyao Wang
Yueyao Wang
,
Zhongsheng Wang
Zhongsheng Wang
,
Xinzhuo Li
Xinzhuo Li
e
Han Shen
Han Shen
| 31 mag 2023
International Journal of Advanced Network, Monitoring and Controls
Volume 8 (2023): Numero 1 (January 2023)
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Pubblicato online:
31 mag 2023
Pagine:
92 - 103
DOI:
https://doi.org/10.2478/ijanmc-2023-0050
Parole chiave
Superluminal Phenomenon
,
Phase Velocity
,
Group Velocity
,
Signal Transmission
,
Simulation Study
© 2023 Yueyao Wang et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Figure. 1.
Group refractive index, group velocity, group delay and the relationship between the speed of light
Figure. 2.
Low frequency circuit
Figure. 3.
Theoretical curve of amplitude response of low frequency circuit
Figure. 4.
Theoretical curve of amplitude-angle response of low-frequency circuits
Figure. 5.
Theoretical delay curve of low-frequency circuit groups
Figure. 6.
First-order high-frequency circuit
Figure. 7.
Second order high frequency circuit
Figure. 8.
Theoretical curve of amplitude response of high frequency circuit
Figure. 9.
Ideal amplitude-angle response curve of high frequency circuit
Figure. 10.
Ideal delay curve of high frequency circuit group
Figure. 11.
Low frequency working circuit in Multisim analog system
Figure. 12.
Test result of sinusoidal pulse of certain frequency in low frequency circuit
Figure. 13.
Test results of a frequency modulation pulse of a low frequency circuit
Figure. 14.
Low frequency circuit test results
Figure. 15.
Test results of high frequency circuit
Figure. 16.
Low frequency circuit output pulse interrupt
Figure. 17.
Low frequency circuit pulse peak missing