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Hardware design of digital mid-frequency signal generator based on FPGA

Peng Qi-cong

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Abstract

QPSK as an advanced digital modulation technique is fit for the digital satellite communication system well.And the speedy development of digital chips like DSP and FPGA,highly promotes the application of all-digital modulation technique.This paper presents a hardware scheme of mid-frequency signal generator based on FPGA,which uses QPSK all-digital modulation technique,and fits for the satellite communication system.Besides the system constitution,this paper also presents main components,and several principles and skills of circuit design.

About this research paper

What this paper is about

QPSK as an advanced digital modulation technique is fit for the digital satellite communication system well.And the speedy development of digital chips like DSP and FPGA,highly promotes the application of all-digital modulation technique.This paper presents a hardware scheme of mid-frequency signal generator based on FPGA,which uses QPSK all-digital modulation technique,and fits for the satellite communication system.Besides the system constitution,this paper also presents main components,and several principles and skills of circuit design.

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Key contribution

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Available abstract

QPSK as an advanced digital modulation technique is fit for the digital satellite communication system well.And the speedy development of digital chips like DSP and FPGA,highly promotes the application of all-digital modulation technique.This paper presents a hardware scheme of mid-frequency signal generator based on FPGA,which uses QPSK all-digital modulation technique,and fits for the satellite communication system.Besides the system constitution,this paper also presents main components,and several principles and skills of circuit design.

Key concepts: Field-programmable gate array, Computer science, Digital signal processing, Phase-shift keying, Computer hardware, Modulation (music), Digital signal, Communications satellite

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