| 具有窄带跟踪环性能的数字解调器 |
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| 引用本文： | 肖志向,彭仲坤.具有窄带跟踪环性能的数字解调器[J].华中科技大学学报(自然科学版),1989(2). |
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| 作者姓名： | 肖志向 彭仲坤 |
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| 作者单位： | 华中理工大学电子与信息工程系
(肖志向)，长沙交通学院(彭仲坤) |
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| 摘 要： | 本文提出一种新的设计窄带跟踪环的方法,由此设计的窄带跟踪环路解调器,电路简单,等效带宽较窄,用它解调FSK信号,传输可靠性高。
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| 关 键 词： | 解调器 锁相环 FSK信号 信噪比 窄带跟踪环 |
Digital Demodulator Characterized by Narrow-band Tracking Loop |
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| Xiao Phixiang Zeng Zhongkun.Digital Demodulator Characterized by Narrow-band Tracking Loop[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1989(2). |
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| Authors: | Xiao Phixiang Zeng Zhongkun |
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| Institution: | Xiao Phixiang Zeng Zhongkun |
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| Abstract: | A narrow-band tracking phase-locked loop is proposed. Its noise band is designed to be very narrow and the desired amplitude of demodu lator output is the same as that in the wide-band loop while the noise of demodulator output is much lower. Therefore the output signal-to-noise ratio of the demodulator and the communication reliability of the system are greatly improved. The demodulator proposed is simple in circuit configuration and high in transmission rate. |
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| Keywords: | Demodulator Phase-locked loop FSK-signal Signal-to-noise ratio Nar-row-band tracking loop |
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