This is a compilation of subject curriculum design, which contains five programs : library management system, character statistics.
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Here, secondary treatment methods are introduced in detail, include time domain signal statistics character, frequency analysis fast Fourier transform (FFT), and short time Fourier transform (STFT).
这里，主要对二次处理的方法作了详细的介绍，包括时域信号的统计特征，频域分析的傅立叶变换和短时傅立叶变换。
It made a study of training structure character of fitness and special skill exercise of speed-power events of athletics by methods of documents, character analysis interview and statistics.
运用文献资料、特征解析、访谈和数理统计等研究方法，对田径速度力量性项目运动员的身体素质与技术训练结构特征进行研究。
And in order to estimate the character of traffic statistics, the traffic sample should be random in statistics.
为了能估计流量总体统计属性，抽样样本需要具有统计随机性。
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