Термины, используемые при проведении ультразвукового контроля сварных соединений, дефектов разнообразной формы и ориентации.
| amplitude linearity | See linearity, amplitude. amplitude, echo: vertical height of a received signal on an a-scan, measured from base to peak for a video presentation or from peak to peak for a radio frequency present... амплитудная линейность; |
| beam exit point | See probe index. точка выхода луча; |
| considered basic | Meter, mole, kilogram, second, ampere, kelvin and candela.10,17 |
| cross noise | Cross talk. перекрестный шум; |
| delayed sweep | See sweep delay. задержка развертки; |
| delayed time base | See delayed sweep. база с задержкой по времени; |
| flaw location scale | Specially graduated ruler that can be attached to an angle beam transducer to relate the position of an indication on the display to the actual location of a discontinuity within the test object.7... масштаб расположения дефектов; |
| fraunhofer zone | See far field. frequency, fundamental: in resonance testing, the frequency at which the wavelength is twice the thickness of the test material.7,22 frequency, pulse repetition: number of pulses pe... зона фраунгофера; |
| fresnel field | See near field. поле френеля; |
| fresnel zone | See near field. зона френеля; |
| interface synchronization | See interface triggering. синхронизация интерфейса; |
| neper | Natural logarithm of a ratio of two amplitudes (equal to 8.686 db) used as a measure of attenuation. power ratios are expressed as half the natural logarithm.7 непер; |
| parasitic echo | See spurious echo. паразитическое эхо; |
| resonance technique | Method using the resonance principle for determining speed, thickness or presence of laminar discontinuities.7 резонансная техника; |
| schlieren system | Optical system used for visual display of an ultrasonic beam passing through a transparent medium.7,22 |
| specific acoustic impedance | Acoustic impedance in a particular test object or a defined volume of a specified material. see also acoustic impedance; characteristic acoustic impedance. удельный акустический импеданс; |
| spectrum response | Amplification (gain) of a receiver over a range of frequencies.7 спектральный отклик; |
| squint angle | Angle by which the ultrasonic beam axis deviates from the probe axis.7 угол косоглазия; |
| time base | See sweep. временная база; |
| transducer relative sensitivity | Response of the transducer to a given source.16 transducer, resonant: transducer that uses the mechanical amplification due to a resonant frequency (or several close resonant frequencies) to give ... относительная чувствительность преобразователя; |
| transmission characteristics | Test object characteristics that influence the passage of ultrasonic energy, including scattering, attenuation or surface conditions.7 характеристики передачи; |
| амплитудная линейность |
amplitude linearity; |
| точка выхода луча |
beam exit point; |
| перекрестный шум |
cross noise; |
| задержка развертки |
delayed sweep; |
| база с задержкой по времени |
delayed time base; |
| масштаб расположения дефектов |
flaw location scale; |
| зона фраунгофера |
fraunhofer zone; |
| поле френеля |
fresnel field; |
| зона френеля |
fresnel zone; |
| синхронизация интерфейса |
interface synchronization; |
| паразитическое эхо |
parasitic echo; |
| резонансная техника |
resonance technique; |
| удельный акустический импеданс |
specific acoustic impedance; |
| спектральный отклик |
spectrum response; |
| временная база |
time base; |
| относительная чувствительность преобразователя |
transducer relative sensitivity; |
| характеристики передачи |
transmission characteristics; |
