Table3.
The value of gray matter relative permittivity in term of frequency [29].
| f (KHz) | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
|---|---|---|---|---|---|---|---|---|---|---|
| ϵ × 10 3 | 3.222 | 1.961 | 1.55 | 1.324 | 1.181 | 1.08 | 1.005 | 0.946 | 0.899 | 0.86 |
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