中频数字接收机设计与实现 对中频数字接收机方案的可行性作了分析，并通过系统仿真工具SystemView对A／D，数字下变频(DDC)及AM、FM等调制信号的软件解调作了仿真。-Design and implementation of a digital intermediate frequency receiver

用matlab实现了数字正交解调，叙述了数字正交解调算法的过程与原理-Matlab digital quadrature demodulation, describes the process and principle of digital orthogonal demodulation algorithm