求翻译：摘要 本文讲述了2ASK与2FSK系统抗噪声性能的同步检测法与包络检测法，对两种检测方式建立其仿真模型，从理论上解释2ASK与2FSK系统抗噪声性能的特点及其不同，且采用SystemView软件进行仿真，对2ASK与2FSK系统抗噪声性能的仿真过程及结果进行分析。是什么意思？

Summary this article describes 2ASK and anti-noise performance of 2FSK system synchronization detection method and envelope detection method, two kinds of simulation model for testing to establish its, in theory explains 2ASK 2FSK system characteristics and noise resistance of different and simulation using SystemView software, 2ASK and noise resistance of 2FSK system simulation and analysis of the results.