可以设置频率，采样频率，振幅，采样时间，绘制正弦曲线-You can set the frequency, the sampling frequency, amplitude, sampling time, rendering sinusoid

模拟生成波形数据，可以更改幅值，频率，采样频率，并绘制波形曲线-Simulation generates waveform data, you can change the amplitude, frequency, sampling frequency, and draw the waveform curve