通过用正余弦表示周期信号,来计算信号的功率,能量。还有几个plot实例-calculate the power of signal by derived into sinewave and cosine wave.

编写一个绘制曲线的程序。菜单可选绘制正余弦等经典曲线。 可以调整线的颜色和粗细-Write a program to draw curves. Draw menu options and other classic sine and cosine curve. You can adjust the color and thickness of the line