TY - JOUR T1 - Carrier Frequency Estimation of Low SNR Radar Signal Based on Denoising Autoencoder and DBSCAN AU - Yoon, Jaehyeok AU - Jung, Jaeyeon AU - Kim, Kyuhan AU - Yun, Wonjin AU - Baek, Jeehyeon AU - Seo, Dongho AU - Yun, Woojin AU - Nam, Haewoon JO - The Journal of Korean Institute of Communications and Information Sciences PY - 2024 DA - 2024/1/1 DO - 10.7840/kics.2024.49.7.923 KW - Low SNR Radar KW - Carrier Frequency KW - Denoising Autoencoder KW - DBSCAN AB - This paper proposes a Denoising Autoencoder (DAE) and a Density-Based Spatial Clustering of Applications with Noise (DBSCAN) based estimation algorithm using time-frequency analysis of low signal-to-noise ratio (SNR) radar as input to estimate the Carrier Frequency of low SNR radar signals. The performance of the proposed algorithm shows high estimation performance compared to the in-image Connected Component Analysis (CCA) algorithm.