The design of hardware and software is presented, especially the I/Q demodulation and amplitude and phase error-correction are introduced, and a bispectral analysis module is built.

• 介绍了系统的硬件和软件设计，提出了I/Q正交解调及脉冲体制超宽带信号幅相误差校正方案，并构建了适于超宽带信号频谱分析的双谱分析模块。