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Jan 15, 2017 17:12
7 yrs ago
English term
Ukraine
Bona opinio homini tutior pecunia est
Native in: Russian 
Works in: English to Russian, English to Ukrainian
order
English to Russian
Science
Mathematics & Statistics
To analyze the parameter data in frequency domain, the controller may be or comprise a spectrum analyzer operable to processes and convert the parameter data with respect to angular position data from the angle domain to the frequency domain, such as to determine or generate an order spectrum of the parameter data.
The cepstrum may be an order cepstrum.
"Порядок" или "упорядоченный"?
The cepstrum may be an order cepstrum.
"Порядок" или "упорядоченный"?
Proposed translations
(Russian)
| 3 +1 | номер гармоники |
Enote
|
| 3 | порядков |
Mikhail Zavidin
|
Proposed translations
32 mins
Mikhail Zavidin
Native in Russian
The key thing is: be a perfectionist.
Native in: Russian 
Works in: English to Russian, Russian to English, Russian
Related KudoZ points
:
28
порядков
an order spectrum — спектр порядков
an order cepstrum — кепстр порядков
как составная анализа порядков
https://www.google.com.ua/search?q="order spectrum"&gws_rd=c...
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Note added at 32 мин (2017-01-15 17:45:06 GMT)
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https://www.google.com.ua/search?newwindow=1&q="order analis...
an order cepstrum — кепстр порядков
как составная анализа порядков
https://www.google.com.ua/search?q="order spectrum"&gws_rd=c...
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Note added at 32 мин (2017-01-15 17:45:06 GMT)
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https://www.google.com.ua/search?newwindow=1&q="order analis...
+1
1 hr
номер гармоники
и соответственно order spectrum можно перевести как спектр гармоник, а order cepstrum - как кепстр гармоник
Смысл вроде такой
Понятие order cepstrum тесно связано с методом order tracking
Вот цитата из статьи http://www.sensorsportal.com/HTML/DIGEST/april_2014/Vol_169/... на эту тему (раздел 2.3. Order Cepstrum): it is reasonable to come up with a new method, known as the order cepstrum, for vibration analysis which may generate the cepstrum first via order tracking and then produce the ultimate result using this cepstrum by means of the power cepstrum.
Этот метод определен в разделе 2.1 Order Tracking этой статьи:
…one method of vibration analysis, called the order tracking [6], is employed in this paper. This is a frequency analysis method that uses orders (cycles per revolution), instead of absolute frequency (Hz), as the frequency base.
Итак, order тут – это циклы за оборот, т.е. номер гармоники (основной частоты)
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Note added at 1 час (2017-01-15 18:42:47 GMT)
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Еще одно описание метода order tracking можно посмотреть тут http://www.dewesoft.com/pro/course/order-tracking-31
Цитата:
Analysis of vibration signals from rotating machines is often preferred in terms of order spectrum rather than frequency spectrum. An order spectrum gives the amplitude and the phase of the signal as a function of harmonic order of the rotation frequency. This means that a harmonic or subharmonic order component remains in the same analysis line independent of the speed of the machine. The technique is called tracking as the rotation frequency is being tracked and used for analysis.
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Note added at 10 час (2017-01-16 04:07:16 GMT)
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а вот тут наглядно показаны сами спектры гармоник или порядковые спектры (на стр. 1580 и дальше)
http://www.waset.org/publications/9999311/vehicle-gearbox-fa...
Смысл вроде такой
Понятие order cepstrum тесно связано с методом order tracking
Вот цитата из статьи http://www.sensorsportal.com/HTML/DIGEST/april_2014/Vol_169/... на эту тему (раздел 2.3. Order Cepstrum): it is reasonable to come up with a new method, known as the order cepstrum, for vibration analysis which may generate the cepstrum first via order tracking and then produce the ultimate result using this cepstrum by means of the power cepstrum.
Этот метод определен в разделе 2.1 Order Tracking этой статьи:
…one method of vibration analysis, called the order tracking [6], is employed in this paper. This is a frequency analysis method that uses orders (cycles per revolution), instead of absolute frequency (Hz), as the frequency base.
Итак, order тут – это циклы за оборот, т.е. номер гармоники (основной частоты)
--------------------------------------------------
Note added at 1 час (2017-01-15 18:42:47 GMT)
--------------------------------------------------
Еще одно описание метода order tracking можно посмотреть тут http://www.dewesoft.com/pro/course/order-tracking-31
Цитата:
Analysis of vibration signals from rotating machines is often preferred in terms of order spectrum rather than frequency spectrum. An order spectrum gives the amplitude and the phase of the signal as a function of harmonic order of the rotation frequency. This means that a harmonic or subharmonic order component remains in the same analysis line independent of the speed of the machine. The technique is called tracking as the rotation frequency is being tracked and used for analysis.
--------------------------------------------------
Note added at 10 час (2017-01-16 04:07:16 GMT)
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а вот тут наглядно показаны сами спектры гармоник или порядковые спектры (на стр. 1580 и дальше)
http://www.waset.org/publications/9999311/vehicle-gearbox-fa...
Discussion
The other advantage is that it is possible to obtain averaged records with the rotational angle a “time‑axis” now, and also in the case of non‑steady rotational frequency, and then to process ordering spectra for only the vibration at orders of the r/min. If vector averages are used, vibration at other frequencies will not have a constant phase with respect to the r/min, and will average to zero. Ordering spectra can be averaged without any smearing of the components.
In computed order tracking, both the vibration signal and the r/min signal are digitized with fixed sampling rates. The r/min signal is used to establish the sampling rate for each revolution, and the vibration signal is interpolated and re‑sampled at the appropriate intervals for the order analysis to establish a stepwise changing individual sampling frequency for each revolution or, by means of polynomial interpolation, a continuously changing sampling frequency can also be generated.
As indicated in 4.3.8, this process has two additional advantages over time‑based sampling. All the energy for each order is in the middle of the window for each bin, eliminating the error caused by not being in the middle, which can be up to 15 %.
Вот первый абзац раздела 4.6 из стандарта ISO 13373:2-2016:
4.6 Order tracking (analogue and digital)
When obtaining frequency spectra from machines, if the rotational speed of the machine varies, it can be difficult to obtain meaningful averages because the energy from a particular order can be reflected in more than one frequency bin, and at lower levels than if the speed were constant. By controlling the sampling rate according to the speed of the machine by means of external sampling (see 4.3.8), all of the energy in a particular order of vibration will be reflected in just one frequency bin. This is normally accomplished by using a once‑per‑revolution signal as input to a dynamic signal analyzer and is called order tracking.
http://docs.nevacert.ru/files/gost/gost_r_iso_13373-2-2009.p...
п. 4.6