(light-)frequency modulation
1-zero vector modulation
3(superscript rd) inter-modulation distortion
3D space vector modulation
3-DIMENSIONAL SPACE VECTOR MODULATION
3-dimensional space vector modulation (3D SVPWM)
3rd-order cross-modulation distortion
3-zero vector modulation
4-level frequency modulation (4-level FM)
abrupt phase change digital modulation