数字中频相关器

Digital Middle frequency Digital Match Correlator Filter

本文对扩展频谱通信的中频相关器的数字化进行了可行性研究，主要分析了量化、频差对数字相关器的性能影响，并且选用美国Ｈａｒｉｓ公司生产的ＨＳＰ４５２５６芯片做成８×３２相关器．

This paper gives a description of the possibility of researches about the digital middle frequency correlators for spread spectrum communications systems. The analysis about the influences made by quantization and frequency bias in the performances of digital correlators is presented. We select HSP45256 (manufactured by Harris company, USA) in making digital correlator which measures 8×32.