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Visual simulation prediction method for electromagnetic radiation of base station based on simplified directivity function

A directional function, electromagnetic radiation technology, applied in electrical components, transmission monitoring, transmission systems and other directions, can solve the problem that the calculation of antenna directional attenuation function is not practical.

Active Publication Date: 2020-06-30
福建省厦门环境监测中心站
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Problems solved by technology

[0002] At present, for the prediction of electromagnetic radiation around the communication base station, the calculation of the antenna directional attenuation function is complicated and impractical, and there is no simple and effective method for realizing visualization

Method used

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  • Visual simulation prediction method for electromagnetic radiation of base station based on simplified directivity function
  • Visual simulation prediction method for electromagnetic radiation of base station based on simplified directivity function
  • Visual simulation prediction method for electromagnetic radiation of base station based on simplified directivity function

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Embodiment Construction

[0061] The present invention will be further described below through specific embodiments.

[0062] Only multiple days and multiple groups are used to verify the ground. The experimental site implemented by this group is near the 1# pole-holding base station. The main radiation direction is along the open and flat area of ​​the road. There are few obstacles on the road. The measurement starts at a distance of 5 meters from the base station. , and move horizontally along the maximum radiation direction of the base station with a measurement interval of 5 meters for fixed-point measurement to 200m. Test method: According to the standard HJ / T10.2-1996 "Radiation Environmental Protection Management Guidelines Electromagnetic Radiation Monitoring Instruments and Methods" and "Mobile Communication Base Station Electromagnetic Radiation Environmental Monitoring Methods" (HJ 972-2018), the distance from the ground is 1.7m, according to Test the power density value and maximum value of...

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Abstract

The invention discloses a visual simulation prediction method for electromagnetic radiation of a base station based on a simplified directivity function. Through mathematically simplifying an antennadirectivity attenuation function, practical simplified calculation of any spatial point is realized; each equivalent position curve of the antenna space limit value is predicted to realize predictionof a single-antenna three-dimensional visual contour surface; meanwhile, prediction of a space electromagnetic radiation power density visualization curve in the vertical direction and prediction of aground 1.7 m high electromagnetic radiation power density visualization curve are achieved. Through open design and conventional multi-parameter adjustment, the established prediction model can accurately calculate and visualize the maximum electromagnetic radiation intensity of a certain position of a single base station, has great reference value for rapid site selection of the base station, electromagnetic radiation environment influence visualization evaluation and environment protection visualization, and has certain social benefits.

Description

technical field [0001] The invention relates to the field of base station wire radiation, in particular to a method for visual simulation and prediction of base station electromagnetic radiation based on simplified directivity functions. Background technique [0002] At present, for the prediction of electromagnetic radiation around the communication base station, the calculation of the antenna directional attenuation function is complicated and impractical, and there is no simple and effective method for realizing visualization. In fact, the mathematical simplification of the antenna directional attenuation function and the practical simplified calculation of any point in space are the basis for the spatial calculation, three-dimensional display, and ease of use of the communication base station electromagnetic radiation visualization simulation prediction system. If the maximum transmission power is used to predict the electromagnetic radiation around the base station, the...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/391H04B17/373
CPCH04B17/3913H04B17/3912H04B17/373
Inventor 周红华
Owner 福建省厦门环境监测中心站
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