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These are the
measurement results for S11 and S21 of the tire connected to the matching
circuits. The x-axis shows the frequency and the y-axis shows S11 and S21.
[It is not recommended to explain what is obvious from the figure.]
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In this figure, the
red line indicates s21 and the blue line shows s11.
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S21 is approximately
-3 dB at 0.88 MHz. And the transmission loss of the matching circuit is
approximately -1.3 dB.
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The transmission
loss of the tire is estimated to be -1.7 dB from the above-mentioned results.
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[Fig. edits:
Space all number and units (100 uH, 267 pF).]
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