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Tracking system for indoor rays

A ray tracing and antenna input technology, applied in the field of indoor ray tracing systems, can solve problems such as transmission or diffraction, unstable performance, and ray reflection

Inactive Publication Date: 2015-05-27
惠铁军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, there are some problems in the existing ray tracing system; for example, when there is an obstacle, the reflection, transmission or diffraction of the ray is serious, resulting in a decrease in accuracy and unstable performance

Method used

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  • Tracking system for indoor rays

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Embodiment Construction

[0011] As shown in the figure, the present invention includes a button, an antenna input and output module, a discrimination module, a modulation and demodulation circuit, a voltage stabilizer, a switch circuit, a single-chip microcomputer, and a rectification and filtering circuit, and is characterized in that: the antenna input and output module and the discrimination module , modulation and demodulation circuit, voltage stabilizer, switch circuit, and single-chip microcomputer are leveled sequentially; the antenna input and output module is connected with the key, and the single-chip microcomputer is connected with the rectification and filtering circuit.

[0012] The single-chip microcomputer adopts ST89C52 single-chip microcomputer.

[0013] After tracking all the ray tubes, each geographical Bin point on the virtual plane will store the electric field strength of all the ray tubes passing through it. At each geographic Bin point, take a certain direction of all rec...

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Abstract

The invention provides a tracking system for indoor rays, and relates to the improvement of tracking systems for indoor rays. The tracking system for indoor rays, which is provided by the invention, has high precision and stable properties. The tracking system comprises press keys, an antenna input and output module, a judgment module, a modulating and demodulating circuit, a voltage stabilizer, a switching circuit, a single-chip microcomputer and a rectification filter circuit. The tracking system is characterized in that the antenna input and output module, the judgment module, the modulating and demodulating circuit, the voltage stabilizer, the switching circuit and the single-chip microcomputer are successively connected; the antenna input and output module is connected with the press keys, and the single-chip microcomputer is connected with the rectification filter circuit.

Description

technical field [0001] The invention relates to an improvement of an indoor ray tracing system. Background technique [0002] There are broadly two types of propagation prediction models: empirical models and deterministic / semi-deterministic models. Among the empirical models, the representative ones are the vehicle propagation model, the double broken line model, and the COST-231 WI model, etc., which have been used in actual engineering design. At present, most of the theoretical research methods for deterministic / semi-deterministic models are Ray Tracing. With the rapid development of computer technology, ray tracing method is more and more favored by researchers because of its accuracy, easy programming, and wide application. The ray tracing method uses rays to represent the propagation of electromagnetic beams. After determining the location of the transmitting and receiving antennas and the surrounding buildings and other environmental characteristics, according to t...

Claims

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Application Information

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IPC IPC(8): G01R29/08
Inventor 惠铁军
Owner 惠铁军