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xtg
- 产生信号,并显示信号的幅频特性曲线 xt=xtg产生一个长度为N,有加性高频噪声的单频调幅信号。能画出仿真图形-Generate signals and displays signal amplitude-frequency characteristic curve xt = xtg produce a length N, a single frequency amplitude of the high frequency signal plus noise. Can