A simple matching ray launching method based on weighted reception
A ray emitting and receiving antenna technology, which is applied in the field of simple matching ray emitting, can solve the problem of repeated calculation of field strength, and achieve the effect of high prediction accuracy of field strength
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[0023] Aiming at the above-mentioned problems in the existing prediction model, the improved model of the present invention uses a ray tubular body to represent a multipath component (uniform distribution of power in the tubular body), and completes direct and reflected paths with traditional Ray Launching path search algorithms. Search, the improvement is that the method of weighted reception is introduced to deal with the process of using the receiving sphere to filter the path near the receiving antenna. This method is to receive weighted power carried by each effective ray, and the weight is the ratio of the intersection area of the tubular body representing the ray and the great circle of the receiving sphere to the cross-sectional area of the tubular body.
[0024] In this paper, a ray tube is used to represent a multipath component. The geometric distribution of rays near the transmitting antenna Tx is shown as figure 1 As shown, the horizontal and vertical angular...
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