Sökning: "Coupling strength estimation"

Hittade 2 uppsatser innehållade orden Coupling strength estimation.

1. 1. Study of antenna arrays for direction finding

   Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för fysik

   Författare :William Eriksson Selin; [2021]
   Nyckelord :aoa; aod; bluetooth 5.1; antenna; array; direction; finding; estimation; MUSIC; subspace; aoa; aod; bluetooth; antenn; antennmatris; riktningsestimation; riktningsidentifiering; MUSIC;

   Sammanfattning : The new Bluetooth standard (Bluetooth 5.1) contains direction finding specifications. Specifications for received signal strength indicator(RSSI) using measures of signal strength in order to give a sense of how far away an object is has been present in earlier versions. LÄS MER

3. 2. Wireless Power Transfer : Machine Learning Assisted Characteristics Prediction for Effective Wireless Power Transfer Systems

   Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Författare :Shamsul Arefeen Al Mahmud; [2020]
   Nyckelord :Wireless power transfer; Machine learning; Coupling strength estimation; Load impedance estimation; Multi-transmitter wireless power transfer systems; Trådlös kraftöverföring; maskininlärning; uppskattning av kopplingsstyrka; uppskattning av belastningsimpedans; Multisändare trådlösa kraftöverföringssystem;

   Sammanfattning : One of the main challenges in wireless power transfer (WPT) devices is performance degradation when the receiver’s position and characteristics vary. The variations in the system parameters such as load impedance and coupling strength in WPT devices affect performance characteristics such as output voltage and power. LÄS MER