【摘要】 采用Ｆｏｕｒｉｅｒ级数和统计分析的方法，分析了强力输送带横向断裂预报图像串行传输信号的频谱．结果表明，串行图像信号中包含帧扫描频率和系统主频丰富的谐波分量，但不包含图像数据并串转换频率的谐波分量．分析得出的结论对确定该串行图像信号的带宽、对同步信号的提取具有指导意义．分析采用的方法适用于时间轴上不均匀分布的随机二进制信号的频谱分析．更多还原

【Abstract】 Spectrum of serial signals for prediction of transverse fracture failure of a belt conveyor was studied by Fourier Series and statistic analysis. The data showed that the serial image signal contains the harmonic components of the frame scan frequency and the main system frequency. However, it does not contain the harmonic components of parallelserial conversion frequency. This conclusion is of significance in determining the band width of the serial image signals and collection of synchronous signals. The method can be applied to analysis of random binary signals which are not of rectangular distribution on the time axis.更多还原