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本文简述了最小移频键控(Minimum Shift Keying)调制信号的特点,指出MSK信号和传统的PSK(Phase Shift Keying)信号相比,前者更适合在限频带的信道中传输。但是,MSK信号的产生要比PSK信号复杂得多,本文介绍一种用声表面波器件产生MSK信号的新方法,具有结构简单、信号一致性好等优点。文章给出了实验结果。作者认为这是一种有前途的值得推广的方法。
In this paper, the characteristics of minimum shift keying modulation are briefly introduced. It is pointed out that the former is more suitable for transmission in the limited frequency band than the traditional PSK (Phase Shift Keying) signal. However, the generation of MSK signal is much more complicated than that of PSK signal. This paper introduces a new method of generating MSK signal with SAW device, which has the advantages of simple structure and good signal consistency. The article gives the experimental results. The author thinks this is a promising way to promote.