Research on Resampling of Wideband Zero-IF Receiver
2023 IEEE 16th International Conference on Electronic Measurement & Instruments (ICEMI)(2023)
摘要
The problem of sampling rate conversion in wideband Zero Intermediate Frequency (Zero-IF) receiver is considered. The purpose of digital resampling technology is to realize digital signal sampling rate conversion, which is widely used in bandwidth filter design in spectrum analysis, noise suppression in modulation and demodulation technology, etc. However, in most usage scenarios, the required sampling rate conversion is not integer multiple conversion. Combined with the system architecture requirements of wideband Zero-IF receivers, this paper designs an arbitrary magnification resampling algorithm with relatively little hardware resource consumption and relatively high accuracy. After the test of the system platform, the feasibility of the arbitrary magnification resampling algorithm designed in this paper is verified, which provides a guarantee for the correct detection and analysis of subsequent signals.
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关键词
resampling,fractional resampling,farrow structure
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