Research Article
Research on Permanent Magnet-Type Super-Low-Frequency Mechanical Antenna Communication
Table 3
Coil shape coefficients of different shapes.
| Shape of coil | c1 | c2 |
| Square | 4.000 | 1.217 | Equilateral triangle | 4.559 | 1.561 | Right isosceles triangle | 4.828 | 1.696 |
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