基本信号生成，可以生成正弦波，方波，锯齿波或利用公式生成自己需要的波形。-Basic signal generation, can generate sine, square, sawtooth wave, or the use of formulas need to generate their own waveforms.

基于labwindows/cvi的相关程序,生成扫频的正玄波-Based on labwindows/cvi-related procedures, to generate the sine wave sweep