Abstract
FMICW radars detect and track targets using frequency information based on the distance and velocity of the target. Therefore, the phase noise of the received signal and the frequency resolution must be minimized to ensure detection and tracking accuracy of the radars. However, as the signal frequency increases, the phase noise degrades. Therefore, the design requirement of the phase noise is important for radar using high-frequency signals. In this study, the phase noise of the transmission signal (FTX), local oscillation signal (FLO1, FLO2), and reference signal (Fref) are analyzed for application to a W-band compact radar. Additionally, phase-noise requirements are derived to increase the frequency resolution of the radar within a range that can be implemented in a W-band transceiver.
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