Not yet, it needs repeated measuring and calculation, and some experience is also very important.
还没有。这需要反复的测量和计算，经验也很重要。
It uses Fourier series in expanding calculus, to achieve the measuring and calculation of volt, current, power factor and quantity of electricity.
采用傅里叶级数展开计算法、实现对电压、电流、功率因数和电量的测量和计算；
It also makes works of measuring and calculation very convenient when predicts the impaction of noise which reverberates in a room and penetrates out of windows.
而对于室内混响窗外传声的声影响预测，采用该方法也会使测量和计算变得十分简洁方便。
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