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Two-ray ground-reflection model. The two-rays ground-reflection model is a multipath radio propagation model which predicts the path losses between a transmitting antenna and a receiving antenna when they are in line of sight (LOS). Generally, the two antenna each have different height. The received signal having two components, the LOS ...
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The ten-rays model is a mathematical model applied to the transmissions of radio signal in an urban area, to generate a model of ten rays typically four rays more are added to the six rays model, these are ( and bouncing on both sides of the wall); This incorporate paths from one to three reflections: specifically, there is the LOS ( Line of ...
The term stream power law describes a semi-empirical family of equations used to predict the rate of erosion of a river into its bed. These combine equations describing conservation of water mass and momentum in streams with relations for channel hydraulic geometry (width-discharge scaling) and basin hydrology (discharge-area scaling) and an assumed dependency of erosion rate on either unit ...
John Gielgud, Malcolm McDowell, Helen Mirren and Peter O'Toole appeared in the movie Caligula, a film where producer Bob Guccione would eventually film and add explicit unsimulated sex scenes after the original filming had been completed; McDowell later expressed his outrage over this. [1] Gielgud also wrote a screenplay for a pornographic film.
In 2007, the Kodak Health Group was sold to Onex Corporation for $2.35 billion in cash. [3] [4] Around 8,100 employees transferred to Onex, and Kodak Health Group was renamed Carestream Health.
Hata model. The Hata model is a radio propagation model for predicting the path loss of cellular transmissions in exterior environments, valid for microwave frequencies from 150 to 1500 MHz. It is an empirical formulation based on the data from the Okumura model, and is thus also commonly referred to as the Okumura–Hata model. [1]