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Gas

Gas propagation model

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Description

Model the behavior of electromagnetic radiation from a point of transmission as it travels through gas[1]by using aGasobject. Propagation models for gas are valid from 1 to 1000 GHz, assume line-of-sight (LOS) conditions, and disregard terrain, the curvature of the Earth, and other obstacles.

Creation

创建一个Gasobject by using thepropagationModelfunction.

Properties

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Air temperature, specified as a scalar in degrees Celsius (C).

Data Types:double

Dry air pressure, specified as a scalar in pascals (Pa).

Data Types:double

Water vapor density, specified as a scalar in grams per cubic meter (g/m3).

Data Types:double

Object Functions

pathloss Path loss of radio wave propagation
range Range of radio wave propagation
add 增加传播模型

Examples

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Open Live Script

Display the coverage area for a transmitter in hot air. Specify the air temperature as 35 degrees Celsius.

pm = propagationModel("gas","Temperature",35); tx = txsite("Name","Apple Hill","Latitude",42.3001,"Longitude",-71.3604); coverage(tx,pm)

References

[1]International Telecommunications Union Radiocommunication Sector.Attenuation by atmospheric gases. Recommendation P.676-11. ITU-R, approved September 30, 2016. https://www.itu.int/rec/R-REC-P.676-11-201609-S/en.

[2]Seybold, John S.Introduction to RF Propagation. Hoboken, N.J: Wiley, 2005.

See Also

Functions

Objects

Topics

Introduced in R2017b

Antenna Toolbox Documentation

万博1manbetx

Hybrid Beamforming for Massive MIMO Phased Array Systems

Hybrid Beamforming for Massive MIMO Phased Array Systems

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