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POFractal Koch Curve
 

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  1. POFractal Koch Curve
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    <p>My project that involves antenna design, in which Python generates the .nec file that allows me to model fractal antennas in the software and optimize them for the best performance. The program is intended to work with multiple fractal antennas, including all of the following:</p> <ul> <li>Koch Curve</li> <li>Hilbert Curve</li> <li>Koch Snowflake</li> </ul> <p>Don't worry, this isn't a homework assignment. I am giving a speech on Fractal Antennas and wanted to automate the design process, otherwise it is tedious.</p> <p>Unfortunately, I'm having trouble with calculating the center point of the Koch Curve. Here is an image of what it looks like in software; note that I still geometry bugs that need to be solved.</p> <p><img src="https://www.vooba.net/pics/50/640/13159580650.png" alt="Koch Fractal in 4NEC2"></p> <p><a href="https://github.com/ElectroNerd/Fractal/blob/master/NEC%20Files/KochCurve.nec" rel="nofollow">Here</a> are the coordinates of the resulting Python script using a iteration level of 3 and segment size of 0.305m.</p> <p>The Python scripts that is currently being subjugated to my madness are pointed out below:</p> <p><a href="https://github.com/ElectroNerd/Fractal/blob/master/NEC%20Files/KochCurve.nec" rel="nofollow">.NEC File</a></p> <p><a href="http://codepad.org/9ld6nivu" rel="nofollow">Coordinates</a></p> <p><a href="https://github.com/ElectroNerd/Fractal/blob/master/4NEC2/4NEC2_Generator.py" rel="nofollow">4NEC2_Generator.py Code</a></p> <p><a href="https://github.com/ElectroNerd/Fractal" rel="nofollow">Complete Project</a></p> <p>As you will notice in the image depiction of the Koch Curve, it is off center by a tiny amount. My equation to find the complete length is this:</p> <p><img src="https://www.vooba.net/pics/50/640/13159587370.png" alt="Center Point Equation"></p> <p>Where:</p> <pre><code> l = total side-length (referenced from the bottom) of the Koch Curve s = segment size (my segment size was 0.305m, they should all be equal) n = number of iterations </code></pre> <p>Does anyone know why I'm not getting the center?</p> <p>Thanks,</p> <p>Austin</p>
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    1. COIs one side of it supposed to be longer than the other?
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      1. USIgnacio Vazquez-Abrams
    2. CONo, they should be equal length. This antenna is a dipole, so I'm trying to split it symmetrically and have the feed line at the very tip of the center triangle. I added the actual coordinates generated from Python to give you all a better idea of what the output is.
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    3. COI took a look at your code, are you sure all that lines of code are necessary, or at least are necessary to solve the asymmetry problem? Could you shrink your code and paste it directly on the question?
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      1. USheltonbiker
 

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