【摘要】 受采样时间和数据处理速度的限制,高分辨率频谱分析一直是实时系统的应用难题之一。基于DSP信号处理的特点,给出了一种基于线性调频Z变换(CZT)的频谱细化实现方案。实验结果表明该方案具有分辨率高、速度快的特点,具有较高的工程应用价值。更多还原

【Abstract】 Because of the limits of sampling time and data processing speed,high resolution spectrum analysis is always a difficult problem in real time systems.According to the features of DSP,this paper presents a spectrum zooming analysis method based on Chirp Z Transform(CZT).Simulation results show that this method is featured by high resolution and high speed,and has high application value.更多还原