Calclation of Electric Field Intensity & Received Power

Calculation of the Electric Field Intensity & Receive Power in free-space

Calculation of the Electric Field Intensity & Receive Power over flat terrain

Calculation of the Electric Field Intensity & Received Power in free-space

< Click to move to the calculation window >

*Antenna gain for a λ/2 dipole antenna or λ/4 ground antenna (monopole antenna) is a fixed value.

*Clicking on the image displays an analysis line.

< Formula >

Electric field intensity formula

Effective area formula

Received power formula: Friis' transmission formula

*Please use the results of the calculation as a reference value.

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Calculation of the Electric Field Intensity & Received Power over flat terrain

< Click to move to the calculation window >

*Choose a sufficiently large value for distance D in comparison with height Ht and Hr.

*Antenna gain for a λ/2 dipole antenna or λ/4 ground antenna (monopole antenna) is a fixed value.

*Clicking on the image displays an analysis line.

< Formula >

Electric field intensity formula

Effective area formula

Calculation of the Received Power: Friis' transmission formula

*Please use the results of the calculation as a reference value.


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Circuit Design Inc. Radio technical reference Design guide

Java Runtime Environment version 5.0 or higher is required to use the calculator.

Download:http://www.java.com/en/download/index.jsp