Shading mode

09:22 Jul 30, 2018
This question was closed without grading. Reason: Other

English to Russian translations [PRO]
Tech/Engineering - Electronics / Elect Eng / Sodars
English term or phrase: Shading mode
The acoustic antenna can be operated in two modes: non-shaded and shaded mode.In non-shaded mode, the directivity of the main lobe (emission in the main direction) of the antenna is highest.In shaded mode the side lobes (emission in other than the main direction) are smallest, but in exchange, the main lobe widens slightly.
Marina Zakharevskaya
Russian Federation
Local time: 02:30


Summary of answers provided
4 +1режим «затенения»
mk_lab
2 +1экранированный режим
Mikhail Zavidin


  

Answers


6 mins   confidence: Answerer confidence 2/5Answerer confidence 2/5 peer agreement (net): +1
shaded mode
экранированный режим


Explanation:
+

Mikhail Zavidin
Ukraine
Local time: 01:30
Specializes in field
Native speaker of: Native in RussianRussian
PRO pts in category: 228

Peer comments on this answer (and responses from the answerer)
agree  Victor Sidelnikov: точнее, режим экранирования
8 hrs
  -> Спасибо!
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24 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
shading mode
режим «затенения»


Explanation:
Гидроакустические измерения
https://books.google.com.ua/books?isbn=5458304489
... видно, что «затенение» приводит не только к существенному снижению уровня боковых лепестков, но и к уширению основного лепестка.

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Note added at 34 mins (2018-07-30 09:56:52 GMT)
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Имеется в виду "затенение" излучающей/приемной акустической апертуры антенны самим излучателем/приемником

http://mirznanii.com/a/121495/proektirovanie-antenny-kassegr...
Облучатель должен создавать минимальное затенение апертуры, так как затенение апертуры увеличивает уровень боковых лепестков и уменьшает КНД.

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Note added at 6 hrs (2018-07-30 15:54:46 GMT)
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Смысл таков, что на апертуру антенны как-бы «падает тень» от излучателя/приемника, уменьшая ее эффективную площадь и изменяя геометрию, из-за чего искажается диаграмма направленности, коэффициент направленного действия (КНД) и коэффициент усиления антенны

mk_lab
Ukraine
Local time: 01:30
Specializes in field
Native speaker of: Native in RussianRussian, Native in UkrainianUkrainian
PRO pts in category: 2947

Peer comments on this answer (and responses from the answerer)
agree  Vladyslav Golovaty: shaded effects - теневые эффекты
5 mins
  -> Спасибо
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