|
|
|
|
|
|
|
|
|
Optimum frequency
| Глоссарий по неразрушающему контролю в авиации |
- In electromagnetic testing, that frequency that provides the largest signal-to- noise ratio obtainable for the detection of an individual material property.
- Probe frequency that provides the highest signal-to-noise ratio compatible with the detection of a specific discontinuity. each combination of discontinuity type and material may have a different optimum frequency.7,22
|
|
Frequency, английский
- A measure of the rate of occurrence of an event expressed as the number of occurrences of an event in a given time. see also likelihood & probability
- Частота
- The number of times a wave-like radio signal changes from the very positive to the very negative charge per second.
- The number of complete cycles of a periodic waveform that occur in a given length of
- Standard, primary основной эталон частоты
- The number of times a complete electromagnetic wave cycle occurs in a fixed unit of time, usually one second. the rate at which a current alternates, measured in hertz on a telecommunications medium.
- The number of complete cycles of a periodic waveform that occur in a given length of time. usually specified in cycles per second (hertz).
- The number of cycles per unit of time, denoted by hertz (hz); 1 hertz 1 cycle per second
- The number of times that the wave oscillates per second (the number of periods of oscillations per second). also, the number of light waves passing a fixed point in a given unit of time, or the number of complete vibrations in that period of time.
- The number of times an electromagnetic wave oscillates in a second, or the number of wave peaks that pass a point in second; measured in hertz.
- Frecuencia
- The number of oscillations per second (a) of the current or voltage in an alternating- current electric circuit, or (b) of a sound wave, fresco 442 or (c) of a vibrating solid object; expressed in hertz (abbr. hz) or in cycles per second (abbr. cps). fresco, buon fresco the technique of painting water colors on plaster when it is almost but not quite dry; in such work, waterbased colors unite with the base; any retouching is done when the plaster is dry (i.e., fresco secco). fresco secco, secco a mural, often fugitive, painted with water-based colors on dry plaster.
- 1. the number of times something takes place in a given time the frequency of micturition 2. the rate of vibration in oscillations
- Стабильность частоты
- N частота; частотность; повторяемость fundamental ~ основаная частота list ~ частота в списке text ~ текстовая частота
- Частота ~ of concrete vibrator частота колебаний, создаваемых вибратором при уплотнении бетонной смеси ~ of occurrence повторяемость (напр, гидрологической величины) ~ of sampling частота отбора проб
- The number of crests passing a fixed point at a given time.
- The number of repetitions per unit time of a complete waveform, expressed in hertz (hz).
- Measured in hertz (hz), the number of cycles per second of a sound wave or audio signal. a high-frequency sound (example, 12,000 hz) has a high pitch, and a low-frequency sound (example, 200 hz) has a low pitch.
- The number of times a category of events, of objects or of individuals has been observed, the number of members in a class (->probability, ->law of large numbers).
- In windows media player, the number, such as 88.5 or 101.7, used to locate a radio station.
- The measure of how often a periodic event occurs, such as a signal going through a complete cycle. frequency is usually measured in hertz (hz), with 1 hz equaling 1 occurrence (cycle) per second. frequency is also measured in kilohertz (khz, or 1,000 hz), megahertz (mhz, or 1,000 khz), gigahertz (ghz, or 1,000 mhz), or terahertz (thz, or 1,000 ghz).
- The number of events divided by the reach of the events.
- In uniform circular motion or in any periodic motion, the number of revolutions or cycles completed in unit time. friction false-twist texturing: see texturing, false-twist method.
- The number of repetitions per unit time of a complete waveform, expressed in
- The rate of vibration for a light wave or other electromagnetic wave
- The number of times a specified event occurs within a specified interval (e.g. accidents per year).
- Frequency in uniform circular motion or in any periodic motion is the number of revolutions or cycles completed in unit time. the international systems of units expresses frequency in hertz (1 hz = 1 cycle per second).
- Number of complete wave cycles passing a given point per second or the number of vibrations per second. frequency, fundamental: in resonance testing, the frequency at which the wavelength is twice the thickness of the test material. frequency, pulse repetition: number of pulses per second. frequency, response: amplification (gain) of a receiver over a range of frequencies. frequency, test: in ultrasonic testing, the nominal wave frequency in a given test.
- Number of times per second that a cyclical waveform repeats. the unit of frequency is hertz (hz).
- Number of times per second that a cyclical waveform repeats. the unit of frequency is hertz (hz). g
- Number of times per second that a cyclical waveform repeats. the unit of frequency is hertz (hz). full-wave current: single-phase or three-phase alternating current converted to produce unidirectional current. rectified current contains more amplitude variation, or ripple, than direct current from a battery.
- Number of complete wave cycles passing a given point per second or the number of vibrations per second.7
- A term used in ellipse to indicate certain periods or durations. used in calculations within some ellipse modules.
Frequency, английский
Frequency, английский
Frequency, английский
Frequency (fundamental) (ut), английский
In resonance testing, the frequency at which the wavelength is twice the thickness of the examined material.
Frequency (inspection) (ut), английский
Effective peak ultra-sonic wave frequency used to inspect the test part.
Frequency (pulse repetition) (ut), английский
The number of pulses per second.
Frequency agility, английский
Возможность изменения частоты несущей
Frequency allocation center, английский
Центр ло распределению радиочастот
Frequency allocation panel, английский
Рабочая группа по распределению радиочастот
Frequency analysis method, английский
Метод гармонического анализа
Frequency analyzer, английский
Частотный анализатор
Frequency and time-division data link, английский
Линия передачи данных с разделением по частоте и времени
Frequency array, английский
Таблица частот
Frequency band, английский
Полоса частот
Frequency chan, английский
Frequency changer, английский
Frequency channel, английский
Частотный канал
Frequency characteristic, английский
Частотная характеристика
Frequency code, английский
Частотный код
Frequency combs, английский
Optical spectra consisting of equidistant lines
Electromagnetic, английский
Obtainable, английский
Достижимый
Individual, английский
Физическое лицо
Compatible, английский
- Describes different hardware devices that can use the same software or programs without modification, or with appropriate software.
- Совместимый
- Совместный; совместимый; смешиваемый (напр, о красках)
- Compatible pieces of equipment can work together; incompatible ones can’t.
Discontinuity, английский
- Разрывность (течения, кривой)
- Разрыв (непрерывности); нарушение сплошности; перегиб кривой; разрезность {конструкции) о ~
- [stratigraphy] any interruption in sedimentation, whatever its cause or length, usually a manifestation of nondeposition and accompanying erosion; an unconformity. gg part 629 - glossary 629-24 (430-vi-nssh, 2008)
- An interruption in the normal physical structure or configuration of a part such as cracks, laps, seams, inclusions, porosity. a discontinuity may or may not affect the usefulness of a part. see defect.
- Interruption in the physical structure or configuration of a test object. after nondestructive testing, a discontinuity indication may be interpreted to be a defect. compare defect; indication. discontinuity, artificial: reference discontinuity such as hole, indentation, crack, groove, or notch introduced into a reference standard to provide accurately reproducible indications for determining test sensitivity levels.
- Interruption in the physical structure or configuration of a test object. after nondestructive testing, a discontinuity indication can be interpreted to be a defect.4,7 compare defect; indication. discontinuity, artificial: reference discontinuity such as hole, indentation, crack, groove or notch introduced into a reference standard to provide accurately reproducible indications for determining test sensitivity levels.4 discontinuity, inherent: material anomaly originating from solidification of cast metal. pipe and nonmetallic inclusions are the most common inherent discontinuity and can lead to other types of discontinuities in fabrication.2,5 discontinuity, primary processing: discontinuity produced from the hot or cold working of an ingot into forgings, rods, bars and other shapes.2,5 discontinuity, secondary processing: discontinuity produced during machining, grinding, heat treating, plating or other finishing operations.2,5 discontinuity, service induced: discontinuity caused by the intended use of the part.
- Intentional or unintentional interruption in the physical structure or configuration of a part.1,4 after nondestructive testing, unintentional discontinuities interpreted as detrimental in the host object may be called flaws or defects. compare defect, dislocation and indication.1 discontinuity, artificial: reference discontinuities such as holes, indentations, cracks, grooves or notches that are introduced into a reference standard to provide accurately reproducible indications for determining sensitivity levels.1 discontinuity, primary processing: in metals processing, a material anomaly produced from the hot or cold working of an ingot into forgings, rod and bar.1 discontinuity, service induced: material anomaly caused by the intended use of the part.1 display resolution, thermal: precision with which an instrument displays its assigned measurement parameter (temperature), usually expressed in degrees, tenths of degrees, hundredths of degrees and so forth.3
- Interruption in the physical structure or configuration of a test object. after nondestructive testing, a discontinuity indication may be interpreted as a defect. compare anomaly; defect; indication. drift (electronic): change in output reading of an instrument, usually due to temperature change.
- Interruption in the physical structure or configuration of a test object. after nondestructive testing, a discontinuity indication may be interpreted as a defect. compare anomaly; defect; indication. discontinuity, artificial: reference anomaly such as hole, indentation, crack, groove, or notch introduced into a reference standard to provide accurately reproducible indications for determining test sensitivity levels. see also known discontinuity standard. discontinuity, inherent: material anomaly originating from solidification of metal. pipe, banding, and nonmetallic inclusions are the most common inherent discontinuities and can lead to other types of discontinuities in fabrication. discontinuity, primary processing: discontinuity produced from the hot or cold working of an ingot into forgings, rods, bars, and other shapes. glossary d-e 497 discontinuity, secondary processing: discontinuity produced during machining, grinding, heat treating, plating, or other finishing operations. discontinuity, service induced: discontinuity caused by the intended use of the part. see also brittle crack propagation; creep; ductile crack propagation; fatigue crack propagation.
- Interruption in the physical structure or configuration of a test object. after nondestructive testing, a discontinuity indication can be interpreted to be a flaw or a defect.10 compare defect; indication.5,6 discontinuity, artificial: reference discontinuity such as hole, indentation, crack, groove, or notch introduced into a reference standard to provide accurately reproducible indications for determining sensitivity levels.4
- Interruption in the physical structure or configuration of a test object. after nondestructive testing, a discontinuity indication can be interpreted to be a flaw or a defect.10 compare defect; indication.
Combination, английский
- Комбинация, сочетание
- Комбинация, сочетание сомсм communications counter- measures меры противодействия радиосвязи противника 163
- Сочетание; комбинация (сочетание взаимосвязанных признаков изобретения).
- Сочетание; комбинация (сочетание взаимосвязанных признаков изобретения)
- Отношение
- N сочетание word ~ словосочетание
- Комбинация; соединение; сочетание; объединение; набор; система
- Сочетание; соединение; комбинация; смешение; состав ~ of errors сумма ошибок load ~ сочетание нафузок
- Series of two or more fences within 39 feet 4 inches of each other that must be taken as a pair, an in-and-out.
- Applies to derivative products. arrangement of options involving two long or two short positions with different expiration dates or strike (exercise) prices. see: straddle.
- Мотоцикл с прицепной коляской
- Vehicle consisting or two or more separable units, of which each part need not be independently mobile, for example a motorcycle and side
|
Pancake coil, английский
Probe coil whose axis is normal to the surface of the test material and whose length is not larger than its radius.
Normal incidence, английский
- Condition in which the axis of the ultrasonic beam is perpendicular to the entry surface of the test object; that is, where the angle of incidence is zero.
- (1) condition in which the axis of the ultrasonic beam is perpendicular to the entry surface of the test object. (2) condition where the angle of incidence is zero.7 o
|
|
|
|
|
|
|
