An Antenna-Theory Method for Modeling High-Frequency RF Coils: A Segmented Birdcage Example

<table>RF field variation along the longitudinal <svg height="15.0875" id="M93" style="vertical-align:-2.3205pt" version="1.1" viewbox="0 0 20.35 15.0875" width="20.35" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> direction for single-segmented birdcage models with different lengths. The results are all compared with the absolute value of the cosine function.</table>

International Journal of Antennas and Propagation

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Figure 5

Figure 5: An Antenna-Theory Method for Modeling High-Frequency RF Coils: A Segmented Birdcage Example 