Essays about: "UHF"

Showing result 1 - 5 of 22 essays containing the word UHF.

1. 1. Texture Analysis and Ultra high-frequency ultrasound in use for diagnosing Hirschsprung's disease

   University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

   Author : Sophia Klarén; Jonathan Jedhammar; [2023]
   Keywords : Hirschsprung s disease; Aganglionosis; UHF ultrasound; Texture analysis; Nakagami; Skewness; Kurtosis; Technology and Engineering;

   Abstract : An investigation into the use of statistical texture analysis in combination with ultra high-frequency ultrasound for diagnosing Hirschsprung’s disease (HD); An illness that manifests itself through the absence of ganglia cells in lower parts of the intestine. Current diagnostic techniques carry a higher risk of long-term consequences in newborns and children which enables a new avenue of research into new methods. READ MORE

3. 2. Sustainable reduction of asbestos sample losses using Radio Frequency Identification and the 5S method

   University essay from KTH/Kemiteknik

   Author : Elie Falcand; [2021]
   Keywords : asbestos; Radio Frequency Identification; 5S; traceability; loss reduction; asbest; radiofrekvensidentifikation; 5S; spårbarhet; förlustminskning;

   Abstract : This study is a research around an issue encountered by MyEasyLab, a laboratory involved in asbestos testing for the French market. They are facing a problem of sample losses, which is hardly acceptable, especially when growing on a highly competitive and price driven market. READ MORE

4. 3. Measuring T1 using MP2RAGE in Human Brain at 7T – Effect of B1+ and Inversion Pulse Efficiency

   University essay from Lunds universitet/Sjukhusfysikerutbildningen

   Author : Mustafa Kadhim; [2021]
   Keywords : Medicine and Health Sciences;

   Abstract : Introduction: The MP2RAGE technique has become popular for structural MRI at ultra-high fields. The core idea behind MP2RAGE is to reduce the influence of flip angle inhomogeneity (B +), proton density and T2* by calculating the regularized signed ratio of two complex MP-RAGE images acquired at different inversion times (TI) within the cycle. READ MORE

5. 4. Wave Propagation Models in the Troposphere for Long-Range UHF/SHF Radio Connections

   University essay from Karlstads universitet

   Author : Tim Lindquist; [2020]
   Keywords : ;

   Abstract : .... READ MORE

6. 5. Decrease radiated emission from high frequency links

   University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Author : Anna Vestin; [2020]
   Keywords : EMC; Spacewire;

   Abstract : There is a need for increasing speed on external links and harmonics are often seen and are a challenge to master. Especially for products within the space industry where the requirements are narrower due to the harsh environment it needs to withstand. READ MORE