vc++作的。用于显示曲线波形的程序。可以选择不同的显示方式。支持正旋波，方波和三角波。背景和曲线使用不同的颜色进行绘制-vc++ for the. The program used to display the waveform curve. You can choose a different display. Support positive spin wave, square wave and triangular wave. Background and the curve drawn

Triangular wave generator similar to a harmonic generator.Its THD value(12.110％)is known.But, the 2nd harmonic is how much? The 3rd harmonic and how much? We do not know. How to get the distribution of THD values? Use of LabVIEW in the built-in f