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Research on Key Technology of All Digital High Data Rate QPSK Receiver

Dahai Chen

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Abstract

Time synchronization and carrier wave synchronization are cruxes of receiver.A kind of time synchronization and carrier wave synchronization method is introduced in this paper,DTTL and COSTAS loop are used to achieve synchronization.All calculations of synchronization are completed by software,so the project is flexible.The results of simulate and practically test indicate that this method is feasible and suit the implement in FPGA.

About this research paper

What this paper is about

Time synchronization and carrier wave synchronization are cruxes of receiver.A kind of time synchronization and carrier wave synchronization method is introduced in this paper,DTTL and COSTAS loop are used to achieve synchronization.All calculations of synchronization are completed by software,so the project is flexible.The results of simulate and practically test indicate that this method is feasible and suit the implement in FPGA.

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Available abstract

Time synchronization and carrier wave synchronization are cruxes of receiver.A kind of time synchronization and carrier wave synchronization method is introduced in this paper,DTTL and COSTAS loop are used to achieve synchronization.All calculations of synchronization are completed by software,so the project is flexible.The results of simulate and practically test indicate that this method is feasible and suit the implement in FPGA.

Key concepts: Synchronization (alternating current), Key (lock), Field-programmable gate array, Computer science, Time synchronization, Phase-shift keying, Data synchronization, High data rate

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