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Journal of Sensors
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2022
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Article
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Tab 1
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Research Article
[Retracted] Polarization Characteristics of Electromagnetic Wave Sensing in Confined Space Based on Hybrid Algorithm
Table 1
Changes in electron density and frequency.
The sequence
Electron density (/m
3
)
Frequency (GHz)
1
10
16
0.01
2
10
17
0.1
3
10
18
1
4
10
19
10