1. What is Average Radiation Intensity?

Average Radiation Intensity is the average component of antenna resistance that accounts for the power radiated into space. It represents the average power radiated per unit solid angle by an antenna.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( R_{avg} \) — Average Radiation Intensity (Watt per Steradian)
• \( U \) — Radiation Intensity (Watt per Steradian)
• \( D_a \) — Directivity of Antenna (dimensionless)

Explanation: The formula calculates the average radiation intensity by dividing the radiation intensity by the directivity of the antenna.

3. Importance of Average Radiation Intensity

Details: Average Radiation Intensity is crucial for understanding the overall radiation pattern and efficiency of an antenna system. It helps in evaluating the antenna's performance in radiating power into space.

4. Using the Calculator

Tips: Enter Radiation Intensity in Watt per Steradian and Directivity of Antenna (dimensionless). Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is Radiation Intensity?
A: Radiation Intensity refers to the power radiated per unit solid angle by an antenna in a specific direction.

Q2: What is Directivity of Antenna?
A: Directivity of antenna measures the degree to which the radiation emitted is concentrated in a single direction.

Q3: What are typical units for these measurements?
A: Radiation Intensity is measured in Watt per Steradian, while Directivity is a dimensionless quantity.

Q4: How is this calculation used in antenna design?
A: This calculation helps antenna designers evaluate the efficiency and radiation characteristics of antenna systems.

Q5: What factors can affect radiation intensity?
A: Factors include antenna design, frequency, material properties, and environmental conditions.