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SECTION Page No 1 INTRODUCTION
MODULATION THRESHOLD AND THE INTERFERENCE ZONE
5 other sections not shown
700 MHz curves amplitude modulation index approximation azimuth blade phase center blade rotation blade scattering calculating cardioid CD CD CD sz compute the interference Computed Interference Zone computer program d(km decreases direct the maximum directional antenna earth EBT(R entire zone ET(B f(MHz Figure 4 gives Figure 6(d function ghost gives y2 graphs height gain factor height h2 horizontally polarized increases with increasing interfere with TV interference zone radii level of Figure level of interference linear interpolation located log E R)/E machines with metal maximum distance metal blades MHz curves cross MOD-2 machines MOD-OA modulation threshold Overlay Figures 5(b parameter primary signal received signal receiver of height receiving antenna result rotating blades scattering efficiency seven frequencies signal strength specular Table transmitter of height transmitting antenna TV channel number TV reception unity values video distortion weakly dependent wind turbine WT blade phase WT tower