Abstract

Digital matched filter (DMF) is the key component of fast pseudo noise (PN) code synchronization in direct spread-spectrum systems (DSSS), and its realization is a crucial technology of digital DSSP receiver. For long PN code DMF needs a mass of hardware resource, recursive delay chain, folded DMF and time-division multiplexing are used to optimize FPGA realization of DMF to reduce the consumption of FPGA resource, which would reduce the cubage and cost of the receivers'.

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