<>LV帮助说:f is the frequency of sine wave in normalized units of cycles/sample. The default is 1 cycle/128 samples or 7.8125E-3 cycles/sample. </P>
<>这个频率 f 怎么理解?我总感觉频率一般都是大于1的整数。1 cycle/128 samples 什么意思?</P>
<>1个周期/128个采样点???128个采样点一个周期的波形?</P>[em06][em06]