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Fresnel zone (ut)
| Глоссарий терминов по технологиям неразрушающего контроля (NDT) |
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Near field, английский
- Distance immediately in front of a plane transducer in which the ultrasonic beam exhibits complex and changing wavefronts. also called the fresnel field or fresnel zone.
- Distance immediately in front of a plane transducer in which the ultrasonic beam exhibits complex and changing wavefronts. also called the fresnel field or fresnel zone.21
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Near field, английский
- Distance immediately in front of a plane transducer in which the ultrasonic beam exhibits complex and changing wavefronts. also called the fresnel field or fresnel zone.
- Distance immediately in front of a plane transducer in which the ultrasonic beam exhibits complex and changing wavefronts. also called the fresnel field or fresnel zone.21
Fraunhofer zone (ut), английский
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