Abstract
This chapter describes the frequency domain and time-domain antenna measurement techniques and their application with visualization. First, we show that our developed far-field antenna gain and far-field antenna factor estimation equation using the amplitude center distance applied Friis transmission formula for two antennas. Then, to show the advantage of using the proposed formula, we have demonstrated the far-field antenna factor estimation for three types of antennas, such as a biconical antenna, a log-periodic dipole array antenna, and a hybrid antenna (the log-periodic dipole array antenna with a bowtie antenna). In addition, we show that our developed unwanted wave suppression method from the antenna measurement results using a time-domain and a pulse compression technique on the open area test site. Next, we show that our developed an optical fiber link port extender of a vector network analyzer for antenna measurement. Next, we show our developed antenna near-field measurement system, which consists of an optical fiber link system and an arm vertical articulated robot. Finally, we show our developed optical fiber link millimeter-wave generation system and a measurement result. In addition, we have demonstrated a millimeter-wave antenna gain measurement method using an automotive FMCW radar as a transmission antenna.
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Kurokawa, S. (2023). Antenna Measurement. In: Kawanishi, T. (eds) Handbook of Radio and Optical Networks Convergence. Springer, Singapore. https://doi.org/10.1007/978-981-33-4999-5_44-1
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DOI: https://doi.org/10.1007/978-981-33-4999-5_44-1
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