Sökning: "Beam Synthesizer"

Hittade 2 uppsatser innehållade orden Beam Synthesizer.

1. 1. Generation and characterization of intense attosecond XUV pulses

   Master-uppsats, Umeå universitet/Institutionen för fysik

   Författare :Xiuyu Wu; [2019]
   Nyckelord :;

   Sammanfattning : Electronic dynamics in molecules and atoms takes place on the attosecond timescale. For the observation of such processes, measurement techniques with attosecond resolution are needed. LÄS MER

3. 2. Beamforming Solutions for Efficient Link Setup and Link Maintenance in mmWave Communication Systems

   Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

   Författare :Hesham Sharkas; Haruhi Echigo; [2019]
   Nyckelord :5G; Beamforming; Beam-forming; Beam Management; Beam Searching; Beam Sweeping; Codebook; code-book; Initial Access; MIMO; MillimeterWave; millimeter wave; mmWave; mm-Wave; mm Wave; Precoding; Slepian Beam; Synthesizer; Beam Synthesizer; Technology and Engineering;

   Sammanfattning : Millimeter wave (mmWave band) technology has gained a lot of attention in 5G communications, due to large amounts of spectrum being available in the mmWave frequency range. However, mmWave links suffer from severe free-space loss and atmospheric absorption. LÄS MER