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归一化后截止频率为0.2的数字低通滤波器，并且能有效滤掉工频干扰，使心电信号有效表达信息。(The normalized digital low-pass filter with a cutoff frequency of 0.2, and can effectively filter out power frequency interference, so that the ECG signal can effectively express information.)

说明：  仿真高斯白噪声信道下的dsb信号调制解调，并对传输进行评估（误码率）。(DSB modulation and demodulation of simulated Gaussian white noise channel)

趋势面分析是拟合数学曲面的一种统计方法。通常要找到一个合适的曲面精确表达实际问题往往比较困难，但却可以利用多项式函数来近似逼近它。(trend surface analysis is fitting surfaces of a mathematical statistical methods. Usually to find a suitable surface accurately reflect the actual problems are often more difficult, but polynomial function can be used to approximating it.)

将百分制的学生成绩转换为五级制的成绩输出(The percentile of the student achievement scores is converted to five-tier system of output)

noise power estimation

这个是matlab下时频分布处理的全部代码。(under Matlab is the time-frequency distribution of all the code.)

陷波器设计,50Hz 陷波器设计源程序，去除工频干扰( design 50Hz notch filter)

专业交易分析和心理分析书籍。适合所有喜欢交易的人阅读。(Professional transaction analysis and psychoanalysis books.)

水色三要素之一的悬浮物反演方法----三波段算法代码。(The pro of three-band method to retrieval SPM.)

Matlab WSNs 质心法代码，密度10*10，间隔10。效果良好(Matlab WSNs mass-force code, the density of 10* 10, 10 interval. Well)