基于FPGA的相位连续的2FSK信号的设计与实现
기우FPGA적상위련속적2FSK신호적설계여실현
Design and realization of continuous phase 2FSK signals based on FPGA
  • 万方数据
    现代电子技术 현대전자기술
    MODERN ELECTRONICS TECHNIQUE
    2013年 9期 79-81 ,共3页

    关进辉%姜恒%刘全海%唐瑞进

    관진휘%강항%류전해%당서진

    2FSK%FPGA%调制方法%相位连续 2FSK%FPGA%調製方法%相位連續
    2FSK%FPGA%조제방법%상위련속
    2FSK%FPGA%modulation method%continuous phase
    传统的2FSK调制方法产生的信号频率稳定度不高或容易产生过多杂波,为了克服这两种不足,在传统调制方法的基础上,基于FPGA芯片,采用分频与波形生成分开的方法和DDS技术,设计了一种既能保持相位始终连续、两种频率直接切换、频率稳定度高的数字式2FSK调制方法.经过实际电路验证,能够有效避免杂波产生,提高信号传输的稳定性和识别率.
    전통적2FSK조제방법산생적신호빈솔은정도불고혹용역산생과다잡파,위료극복저량충불족,재전통조제방법적기출상,기우FPGA심편,채용분빈여파형생성분개적방법화DDS기술,설계료일충기능보지상위시종련속、량충빈솔직접절환、빈솔은정도고적수자식2FSK조제방법.경과실제전로험증,능구유효피면잡파산생,제고신호전수적은정성화식별솔.
    Low frequency stabilization and too much noise generation offen appear in traddional 2FSK modulation. For elimi?nating the two kinds of disadvantages,a new 2FSK modulation method based on the traditional method and FPGA chip was de?signed with the technlogies of dividing frequency demultiplication,waveform generation and DDS. It can keep phase continua?tion,direct switching of two frequencies and high frequency stabilization. verification of actual circuit indicates that the design can prevent noise generation,and improve stabilization and identification rate of signal transmission.
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