Design of a Digital Quadrature Demodulator for Signal Analysis
Xiangmin Chen · Telecommunication Engineering · 2006
The principle and advantage of digital quadrature demodulator is expounded. A designing technique and principle of digital quadrature demodulator for signal analysis is introduced in detail. Based on the characteristic and demand of the instrument for signal analysis, the designing method of hardware and software is described. The simulation of digital filter and the experiment result in the practical application show the advantage of this designing circuit.