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15 864 (0,132s)

Result

Statistics of Lower Atmosphere Refractivity in Czechia

Results of the measurement of atmospheric refractivity in a lower 80m layer of atmosphere are presented. Daily and monthly variability of refractivity and of its vertical gradient is shown. Refractivity st...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2005
  • D
Result

One-year Statistics of Atmospheric Refractivity in The Lowest Troposphere

Atmospheric refractivity significantly influences the propagation of electromagnetic waves in atmosphere. ITU-R recommends using statistics of a refractivity of the measurement of atmospheric refractiv...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2009
  • D
Result

Atmopsheric Refraction and Propagation in Lower Troposphere

to atmospheric refractivity effects on the propagation of microwaves in the lowest troposphere. The chapter is organized as follows. Basic facts about atmospheric refractivity are introduced in the Section 2. The ...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2011
  • C
Result

Visual Simulation of Refraction Phenomena in the Earth's Atmosphere

We present a simple method for visual simulation of refraction phenomena in the Earth's atmosphere. The method divides the atmosphere into a set of spherical layers related to the variations of the refractive index...

JC - Počítačový hardware a software

  • 2003
  • D
Result

Prediction of atmospheric turbulence on the basis of weather conditions

The goal of the paper is in calulation of refractive index structure parameter from weather condition in selected area. Sadot - Kopeika model was chosen for determination of atmospheric turbulence during the whole day....

Electrical and electronic engineering

  • 2017
  • D
  • Link
Result

Spatial Correlation of Vertical Gradient of Refractivity on Large Scales

Spatial distribution maps of the vertical gradient of atmospheric refractivity are derived from a global dataset of meteorological quantities as given by ERA-Interim reanalysis. Spatial correlation of the gradient on large scales is...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2015
  • D
Result

Compensation of random variation of atmosphere refractive index suitable for image processing.

The article deals with posibilities of decreasing of influence of the atmosphere on reconnaissance device optical signal.

KA - Vojenství

  • 2007
  • D
Result

Measured and Simulated Fluctuations of Received Power on 11 GHz Terrestrial Path Using Vertical Profiles of Atmospheric Refractivity

path together with the measurement of the vertical profiles of atmospheric refractivity at the receiver site are presented. The parabolic equation method is utilized of refractivity above an irregular terrain. Measured and...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2011
  • D
Result

Remote Sensing of Refractive Index in Atmosphere

sensing of refractive index in the lower atmosphere.Long-range electromagnetic wave propagation is to certain extent influenced by height distribution of refractive index in the troposphere. The usual way of refractive...

JA - Elektronika a optoelektronika, elektrotechnika

  • 2005
  • D
Result

Indirect Determination of Air Refractive Index for the First Velocity Correction of Electronic Distance Meters

Brief explanation of the importance of the air refractive index for geodetic of historical and present procedures of indirect computation of the air refractive index,in case atmospheric conditions such as air temperature, <...

DE - Zemský magnetismus, geodesie, geografie

  • 2013
  • Jx
  • Link
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