Essays about: "Near Field Scanner"

Found 3 essays containing the words Near Field Scanner.

1. 1. Near-Field Measurement System for 5G Advanced Antenna System at mm-Wavelength

   University essay from Lunds universitet/Institutionen för elektro- och informationsteknik

   Author : Bofei Wang; [2020]
   Keywords : Near-field; Measurement system; 5G; mm-wave length; antenna; Technology and Engineering;

   Abstract : An antenna is one of the most fundamental elements of wireless communication systems. The radiation behavior of antennas is characterized with the aid of the farfield radiation pattern. In this thesis, a near-field antenna measurement system is designed to predict the far-field pattern of antenna operational frequency 28 GHz and 39 GHz. READ MORE

3. 2. Near-Field Characterization of FM Transmitter Devices in Mobile Phone Applications

   University essay from Institutionen för teknik och byggd miljö

   Author : MST Afroza Khatun; [2008]
   Keywords : Near field measurement; far field; FM antenna in mobile phone;

   Abstract : Mobile Phone, without this we can’t think to pass a day in presence. We have found a rapid increase of mobile phone users from a few years ago till now. Day by day the modern technologies allow the mobile phone to become smaller, cheaper, and more reliable. READ MORE

4. 3. Monte Carlo based investigation of the influence of accelerator head geometry on megavolt photon beam quality in radiotherapy

   University essay from Lunds universitet/Sjukhusfysikerutbildningen

   Author : Beatrice Jutemark; [2005]
   Keywords : Strålterapi; Medicine and Health Sciences;

   Abstract : "This project concerns the precise characterization of one of the VARIAN accelerators used in the radiotherapy clinic at the Finsen Centre at Copenhagen University Hospital, Denmark. Detailed characteristics of the clinical beam incident on the patient are almost impossible to measure. READ MORE