Abstract
This paper discusses the accuracy of range detection for stepped-frequency continuous-wave (SFCW) portable through-wall radar (TWR) and its analysis through simulation software. The radar which is portably constructed of some modular devices has operating frequency range between 1600MHz and 2500MHz. Here, the use of simulation software aims to do modelling to investigate information contained in transmitted and received signals. The simulation of SFCW radar for range detection in the designated frequency was able to range some targets located at the distance of 2.6m and 5.2m. From the result, it shows that the SFCW method was suitable for designing the portable TWR which could range some targets at the distance more than 5m from the radar.
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