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Biplob


Last seen: 3 maanden ago |  Active since 2023

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Question


Fourier Analysis using fourier function for bessel distribution.
Hello, I am trying to write a code for fourier analysis from spatial domain to frequency domain. I am using "fourier" and "ifo...

6 maanden ago | 1 answer | 0

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answer

Question


How do I create a pcb stack with out any feed?
Hello, I want to create a unit cell which has three layers, bottom layer(ground plane), middle layer(dieletric), top layer(patc...

8 maanden ago | 1 answer | 0

1

answer

Question


How to analyze plane wave excitation on a passive unit cell
Hi, I want to analyze a unit cell which is made of a substrate with a metal patch on the top surface and ground plane on the bo...

9 maanden ago | 1 answer | 0

1

answer

Question


Is it possible to design an array with N elements with each element resonating at a different frequency?
Hi, I want to design an array with N elements (say N = 5), and each element is excited with a different frequency. In a practi...

9 maanden ago | 0 answers | 0

0

answers

Question


Finding the weight of the modes contained in the E field.
Hi, I have the values of E-field on a transverse plane(Both magnitude and phase values are known). Let us say it is a matrix of...

10 maanden ago | 1 answer | 0

1

answer

Question


Finding the resultant of 3 perpendicular complex vectors
Hi, I want to find the resultant vector of 3 perpendicular complex vectors in x-, y-, and z-direction. Please see the code bel...

10 maanden ago | 1 answer | 0

1

answer

Question


Elliptical array using conformalArray function along with the reflector backing is giving error, what could be the reason?
Hi, I am trying to desing an elliptical array, with dipole as array elements with reflector. The show(array) is showing me the ...

11 maanden ago | 1 answer | 0

1

answer

Question


Plotting phase distribution on a desired plane using the data retrieved from the EHfields function.
Hi, I want to plot the phase distribution on a 2D plane for an array. I am able to plot the vector E and H fields on the desire...

11 maanden ago | 1 answer | 0

1

answer

Question


How to increase the length and thickness of the arrows in the EHfields plot
Hi, I am plotting the E and H field vector on a plane using EHfields(name,freq). The size and thickness of the arrows drawn insi...

11 maanden ago | 1 answer | 0

1

answer

Question


How do we excite the elements of an antenna array at different frequencies?
Hi, I am trying to write a code for a circular array having 8 elements. But I want to excite each antenna elements at different...

11 maanden ago | 1 answer | 0

1

answer

Question


How to plot a function on a user defined plane when using spherical coordinate system by specifying elevation and azimuth values at a given radial distance?
Hi, I want to plot a surface plot on plane defined by, (say: theta = 45 degree, phi = 25 degree, radial distance = 1 m). Suppo...

11 maanden ago | 2 answers | 0

2

answers

Question


EHfield function in MATLAB produces 3 x 441 matrix. What do these rows and column represent?
Hi, I have a doubt regarding the EHfields function in MATLAB. When I use the EHfields to extract the E and H fields in a seper...

11 maanden ago | 0 answers | 0

0

answers

Question


Plotting Radiation Pattern in Fresnel Region(near field) using MATLAB
Hello, In the antenna tools box, when we plot radiation pattern, is it a far field plot or a near field plot? Is there a comma...

12 maanden ago | 1 answer | 0

1

answer

Question


Plotting the mode spectrum from field pattern of the antenna.
Hi Community, I need to plot Mode purity for which the equations are given in the attached image. Please help me about how to ...

ongeveer een jaar ago | 0 answers | 0

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answers