Essays about: "VHF-UHF"

Found 2 essays containing the word VHF-UHF.

1. 1. VHF/UHF Uplink Solutions for Remote Wireless Sensor Networks

   University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

   Author : Alp Sayin; [2013]
   Keywords : ;

   Abstract : The purpose of this thesis was to compare alternative wireless links for transfer of data from sink motes of remote wireless sensor networks to a central repository. A few different protocol stacks to be implemented in the WSN (Wireless Sensor Network) uplink gateway and along with them a few implementation environments based on open source software and low-power hardware were discussed. READ MORE

3. 2. Evaluation of weighting functions for Sidelobe control in UWB SAR image processing

   University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

   Author : Habiba Akhter; [2013]
   Keywords : Image processing; Synthetic aperture radar SAR ; Ultra Wideband UWB ; Apodization; Impulse Response IPR Function;

   Abstract : Ultra wideband (UWB) Synthetic Aperture Radar (SAR) holds huge possibilities for both terrestrial and celestial object sensing with excellent details which assists in science and technology. SAR systems associated with large antenna beamwidth, large signal bandwidth and low frequency operating in the VHF/UHF region is becoming gradually more popular because of their rising number of application in the areas of ground-penetrating radar (GPR) and foliage penetration radar (FOPEN). READ MORE