mittepurustava kontrolli meetod väga lühiajalise (alla 100 ns) ja suure intensiivsusega röntgenkiirte impulsi tekitamisega kiirelt liikuvate objektide uurimiseks, a radiography technique using high intensity radiation for very short exposure time; used for detecting surface brakes, flaws such as cracks, porosity, laps, seems and other surface discontinuities