The uniform polar angle is to be used along with “Uniform polar distance”, this function is designed to describe a uniform distribution of transmitters within a circular area centred around a given zero-point. But whereas “Uniform polar distance” describes random distance to centre point, the “Uniform polar angle” function defines random angle (azimuth) of transmitter with regards to centre point.
This function has one input parameter - maximum angle Amax - and the generated random values will be placed with equal probability (uniform distrbution function) within the range -Amax...Amax.
This distribution is similar to uniform distribution but in the angle domain.
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Figure 407: Uniform polar angle distribution: parameters (left) PDF (right)