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198 549 (0,319s)

Result

Cross-fade effect elimination in 3D DCT compression

Aim of this paper is to elliminate the cross-fade effect while 3D DCT compression method is used for video signals.

JA - Elektronika a optoelektronika, elektrotechnika

  • 2005
  • D
Result

Improving Quality of Video Signals Encoded by 3D DCT Transform

sequennces, i.e. the cut is presents. In decompressed sequence the disturbing cross-fade effect is perceptible. In the next text a method for removing this effect based are transformed into frequency domain and th...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2006
  • D
Result

SC-FDE and OFDM in MISO Frequency-Selective Fading Channels

This paper presents a new approach for evaluating the differences between SC-FDE and OFDM in MISO Clarke/Gans Rayleigh fading channel. At first, base-band are described in the MISO fading channel. The Clark/Gans Rayleigh fading<...

Communication engineering and systems

  • 2020
  • D
  • Link
Result

A multipath signal propagation model

The application with a graphical user interface in MATLAB simulates the signal propagation in indoor environment. The model focuses mainly on multipath effect of signal propagation and fading. Signal fading is caused by rec...

JC - Počítačový hardware a software

  • 2009
  • R
Result

A Small-Scale Fading Model for Overtaking Vehicles in a Millimeter Wave Communication Link

We derive a small-scale fading model for the typical situation of cars driving on parallel lanes. The small-scale fading for an overtaking vehicle appearing in the inter (TWDP) fading. The evolution of the TWDP parameters f...

Communication engineering and systems

  • 2019
  • D
  • Link
Result

Gas Fading of Inkjet prints with Ozone

Ground-level ozone is a common part of the air atmosphere and has a strong oxidative effect, mainly on inkjet dyes. The resistance of inkjet prints to ozone and by the sensitivity of dyes to oxidation. Dye fading was evaluated by th...

CF - Fyzikální chemie a teoretická chemie

  • 2011
  • Jx
Result

Effective Earth Radius Variation and Diffraction Fading on Terrestrial Path

Effective earth radius factor (k factor) is an important parameter for the assessment of clear-air propagation on terrestrial paths. Its variation obtained from is shown in the example. A typical diffraction fading event is analyzed...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2010
  • D
Result

Rain Fade and Inter-fade Duration Statistics from Two 38 GHz Terrestrial Paths

Rain fade and inter-fade duration statistics obtained from two long term of the number of fade events on the attenuation level was analysed and a new model was proposed based on the measured data. Three fade durati...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2007
  • D
Result

Detection Performance of Cooperative Spectrum Sensing with Hard Decision Fusion in Fading Channels

sensing (CSS) using energy detector (ED) in several fading scenarios. The fading of them, for all the fading/ shadowing models mentioned. The major theoretical. Effects of sensing channel signal to noise ratio (SN...

Electrical and electronic engineering

  • 2014
  • Jimp
  • Link
Result

SIMULATION OF SPACE-TIME BLOCK CODING IN BROADBAND INDOOR FADING CHANNEL USING MATLAB

in frequency selective and non-selective fading channels is compared. Quasi-static Rayleigh fading channels in indoor environment are assumed. This paper presents a large effect coding system in the indoor fading ...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2003
  • D
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