wave-form

The modulation index can be increased by using distorted wave forms that contain only triplen (multiples of three) harmonics.

用只含有三次谐的形作为载可以提高节指数。

The finite element program design method has laid a solid foundation for in depth reseach of physical thoracic impedence rheogram wave form. ?

该程序设计方法为进一步深入研究人体胸腔阻抗血流图形的成因打下了基础。