Logo of the Physikalisch-Technische Bundesanstalt

Search

Search result

355 results:
81. Extending the RDI model observer to images with an anatomic background  
Date: 23.12.2020
Percental score: 3 %
In mammography, raw images are processed by means of sophisticated procedures before being used for diagnosis. According to the protocols that are presently valid, only raw images of technical  
82. PIM measurements on a multiband antenna in the project “5G-Reallabor”  
Date: 08.12.2020
Percental score: 5 %
Dynamic PIM measurement being carried out on a multiband antenna Passive intermodulation (PIM) leads to interference signals in cellular networks and can therefore degrade network quality. In the project “5G-Reallabor”, PTB is working on traceability for PIM  
83. Using UV-C radiation to combat the coronavirus  
Date: 01.12.2020
Percental score: 10 %
Dr. Peter Sperfeld performs measurements of UV-C radiation The Physikalisch-Technische Bundesanstalt (PTB) measured the internal irradiance of a prototype of an indoor UV-C air purification unit to gauge its effectiveness in neutralizing germs and viruses. A  
84. Tilted-Wave Interferometer (TWI) as Example for Hand-in-Hand Calibration of Real and Virtual Experiments  
Date: 06.11.2020
Percental score: 5 %
The optical industry uses aspheres and free-form surfaces in modern optical systems, which, however, place very high demands on metrology. Optical measurement techniques have a prominent role to play  
85. Digitalisierung RU METROLOGIJA DLJA DIGITALIZACII EHKONOMIKI I OBSHCHESTVA  
Date: 30.09.2020
Percental score: 1 %
Digitalisierung RU METROLOGIJA DLJA DIGITALIZACII EHKONOMIKI I OBSHCHESTVA МЕТРОЛОГИЯ ДЛЯ ДИГИТАЛИЗАЦИИ ЭКОНОМИКИ И ОБЩЕСТВА Содержание МЕТРОЛОГИЯ ДЛЯ ДИГИТАЛИЗАЦИИ ЭКОНОМИКИ И  
86. Digitalisierung ES Metrologia para la digitalizacion de la economia y la sociedad  
Date: 30.09.2020
Percental score: 1 %
Digitalisierung ES Metrologia para la digitalizacion de la economia y la sociedad MetrologÍa para la digitalización de la economía y la sociedad Contenido MetrologÍa para la digitalización de la  
87. Criteria and Procedures QS Approval June2020  
Date: 14.09.2020
Percental score: 1 %
Criteria and Procedures QS Approval June2020 Conformity Assessment Body Criteria and procedures for the approval of the quality systems of measuring instruments manufacturers according to • the  
88. New high-pressure natural gas test-rig needs a new primary standard  
Date: 26.08.2020
Percental score: 5 %
PTB has developed a new primary standard for the calibration of gas meters using high-pressure natural gas. In future, the so-called high-pressure comparator will form the top of the traceability  
89. 4.21 Form and Wavefront Metrology  
Date: 03.06.2020
Percental score: 7 %
Selected publications The working group offers the following calibrations: Sphericity and radius measurement of sperical sections Refractive index measurement Transmission measurement on  
90. 4.24 Asphere Metrology  
Date: 25.05.2020
Percental score: 80 %
4.24 Asphere Metrology Dr.-Ing. Ines Fortmeier Physikalisch-Technische Bundesanstalt 4.24 Asphärenmetrologie Bundesallee 100 38116 Braunschweig ines.fortmeier@ptb.de (0531) 592-4240  
###SPINNER###
Search results 81 until 90 of 355
The search query was processed in 673 ms.

Search behavior

In the search, the following parameters can be used:

  • "": Phrase search. The words you entered must occur exactly as entered in the search results. Example: "Metrological Services"
  • -: NOT operation. A word can not appear in the search results. Example: "Metrological Services" -"Verification Act"
  • *: Substring search. Example: "Metrological Services" measure* finds "Metrological Services" measures and "Metrological Services" measurement

If you enter more than one search term, the individual words are connected with an "AND".