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本文首先分析了现行调幅和调频系统的特点,提出了边带抑制的低载频窄带调频传输系统的方案设计,并分析了该系统的抗噪声性能。
This paper first analyzes the characteristics of the current AM system and FM system, proposes a scheme of low-band narrow-band FM transmission system with sideband suppression, and analyzes the anti-noise performance of the system.