{'fraction_non_alphanumeric': 0.013363028953229399, 'fraction_numerical': 0.0, 'mean_word_length': 5.521739130434782, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Effects of amplifier nonlinearities on DOA estimation

This article presents the study of the nonlinear effects of amplifier gain compression and intermodulation on the accuracy of direction of arrival (DOA) in a digital array receiving system. Based on analysis and realistic computer simulation, it is shown that the gain compression has little effect on DOA estimation but the third-order intermodulation may significantly degrade DOA estimation.