표 1. | Table 1. 광대역 안테나 배열 테스트베드의 물리적 사양 | Physical specifications of the wideband antenna array testbed.

Category Low band Mid/High band
Number of antenna elements (units) 16 26
Element spacing (cm) 77 5
Receiver configuration 16-channel receiver and band selection switching module (custom-built)
Signal radiation environment Open-field (using signal generator, transmitting antenna, and high-power amplifier)
Calibration method Phase calibration via simultaneous branch injection of a single calibration source