communication during voltage across zero point

fundamental-wave zero-sequence voltage

Nonlinear Wave-wave Interaction

one-point wave meter

three wave point

wave point

Wave-wave Interaction

zero wave drag

Zero-wave Plane

Across-zero Detecting

across-zero triggering

arc near and across zero

zero across rate

absolute zero point

absolute zero-point

actual zero point

automatic zero-point correction

auto-modulate zero point

autotracking zero point