Am currently working on a project for simulating fractal antenna

In summary, to accurately simulate fractal antenna behavior using anfis, you need to carefully select and adjust parameters such as the radii and number of epochs to avoid overfitting and ensure proper training. You may also need to experiment with different parameters to improve the results for your checking sets.
  • #1
anug
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am currently working on a project for simulating fractal antenna behaviour using anfis..i got 5 parameters of antenna as the inputs and its return loss as its single output. i got such 150 sets of known inputs and outputs of which i divide it into partly checking sets and training sets..
... i have used genfis2 to create fis structure and training it using anfis
hw does the radii, (range of influence) affect training..
how much should it be (range)
hw many number of epochs before data starts overfitting
i plot the return loss and am getting proper graphs for training data the way it should be but graphs for checking sets it differs a lot from original..hw do i go about it
 
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  • #2
The size of the radii will affect the ability of anfis to accurately model the data. Generally, larger radii can lead to overfitting, while smaller radii may not capture enough of the data. In terms of the number of epochs, it is difficult to determine when the data starts overfitting. However, you can monitor the error rate and use a stopping criterion, such as when the error rate no longer decreases with additional epochs. If the graphs for your checking sets differ significantly from the original, it could be due to overfitting or inadequate training. You may need to experiment with different parameters, such as the number of epochs, the learning rate, or the size of the radii, to see if the results improve.
 

What are fractal antennas and how do they work?

Fractal antennas are specially designed antennas that use self-similar patterns to increase the surface area and improve signal reception. They work by repeating the same pattern at different scales, which helps to increase the antenna's overall length and make it more efficient at receiving and transmitting signals.

What is the purpose of simulating fractal antennas?

The purpose of simulating fractal antennas is to better understand their behavior and performance. By creating computer models and simulations, scientists can analyze and optimize the design of fractal antennas to improve their efficiency and functionality.

What software or tools are commonly used for simulating fractal antennas?

Some commonly used software and tools for simulating fractal antennas include MATLAB, HFSS, CST Microwave Studio, and ANSYS. These programs use computational electromagnetic methods to simulate the behavior of antennas and analyze their performance.

What are the potential applications of fractal antennas?

Fractal antennas have a wide range of potential applications, including wireless communication systems, RFID technology, bio-medical sensors, and satellite communications. They are also being explored for use in military and defense applications, as well as in space exploration.

What are some challenges in simulating fractal antennas?

Some challenges in simulating fractal antennas include accurately modeling the complex geometry and fractal patterns, as well as considering the effects of environmental factors such as interference and noise. Additionally, the simulation results may need to be validated with physical testing to ensure accuracy.

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