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Research and Simulation of Negative Group Delay and Superluminal Propagation

Yueyao Wang

Yueyao Wang

School of Computer Science and Engineering, Xi’an Technological University’, China
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Wang, Yueyao
, 
Zhongsheng Wang

Zhongsheng Wang

School of Computer Science and Engineering, Xi’an Technological UniversityXi’an, China
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Wang, Zhongsheng
, 
Xinzhuo Li

Xinzhuo Li

School of electronic information Engineering, Xi’an Technological UniversityXi’an, China
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Li, Xinzhuo
 and 
Han Shen

Han Shen

School of Computer Science and Engineering, Xi’an Technological UniversityXi’an, China
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Shen, Han
  
May 31, 2023
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Published Online: May 31, 2023
Page range: 92 - 103
DOI: https://doi.org/10.2478/ijanmc-2023-0050
Keywords
© 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
Group refractive index, group velocity, group delay and the relationship between the speed of light

Figure. 2.

Low frequency circuit
Low frequency circuit

Figure. 3.

Theoretical curve of amplitude response of low frequency circuit
Theoretical curve of amplitude response of low frequency circuit

Figure. 4.

Theoretical curve of amplitude-angle response of low-frequency circuits
Theoretical curve of amplitude-angle response of low-frequency circuits

Figure. 5.

Theoretical delay curve of low-frequency circuit groups
Theoretical delay curve of low-frequency circuit groups

Figure. 6.

First-order high-frequency circuit
First-order high-frequency circuit

Figure. 7.

Second order high frequency circuit
Second order high frequency circuit

Figure. 8.

Theoretical curve of amplitude response of high frequency circuit
Theoretical curve of amplitude response of high frequency circuit

Figure. 9.

Ideal amplitude-angle response curve of high frequency circuit
Ideal amplitude-angle response curve of high frequency circuit

Figure. 10.

Ideal delay curve of high frequency circuit group
Ideal delay curve of high frequency circuit group

Figure. 11.

Low frequency working circuit in Multisim analog system
Low frequency working circuit in Multisim analog system

Figure. 12.

Test result of sinusoidal pulse of certain frequency in low frequency circuit
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
Test results of a frequency modulation pulse of a low frequency circuit

Figure. 14.

Low frequency circuit test results
Low frequency circuit test results

Figure. 15.

Test results of high frequency circuit
Test results of high frequency circuit

Figure. 16.

Low frequency circuit output pulse interrupt
Low frequency circuit output pulse interrupt

Figure. 17.

Low frequency circuit pulse peak missing
Low frequency circuit pulse peak missing
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Computer Sciences, Computer Sciences, other
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