International Journal of Antennas and Propagation / 2013 / Article / Fig 11

Research Article

Circularly Polarized Low-Profile Antenna for Radiating Parallel to Ground Plane for RFID Reader Applications

Figure 11

Simulated results of (a) input impedance characteristics, (b) antenna gain, and (c) AR pattern with θ. = 90° in y-z plane at 925 MHz when the short, long, and F-shaped stubs are installed.

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