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# Orthogonal

239 Threads found on edaboard.com: Orthogonal

## chaching the Gain of each polarization

Hello , the Sinuous antenna that i have built is dual polarized because it hase two orthogonal dipole feed,i have attached the diagram and farfield results of the simulation. this antena is dually polarized, i have used ludwig 3 on vertical /horizontal as shown in the attached photos. how can i interpret the ludwig 3 diagram and get the direct

## shifted orthogonal modes waveguide port

Hello,i would like to have the two orthoghonal modes TE10 TE01 and shift them 90 degrees to create circular polarization in the CST menu i can only choose the number of modes but i cant know which modes specificly will be generated.I can choose the polarization angle so by choosing two ports and 90 degree polarization i will only get two ortho

## Matching Pursuit and Orthogonal Matching Pursuit

What is the difference between 'Matching Pursuit' and 'orthogonal Matching Pursuit' ?

## Time and Frequency domain representation of spreading sequences

How can I generate orthogonal spreading sequences in Matalb in frequency and time domain? What properties a set of spreading sequences should have ? e.g in time domain x=randi(, 10,1); % time domain signal SprdSeq= rand(20,20); %% HOW to GENERATE orthogonal ? Spreadedsignal= SprdSeq *diag(x); In frequency domain should I take

## Can surface current distribution tell which type of polarization we have ?

Hi, In order to obtain circular polarization you must have two modes spacially orthogonal and with a 90° phase shift. These two modes are usually distributed in the same manner in the space (for the electric or the magnetic field). The magnetic field can give us the surface current ( Js = H^n) and consequently you have the two distributions of curr

## Rayleigh model. X and Y independent?

When you write h=X+jY then X and Y are orthogonal. And since they are Gaussian random variables then they're independent.

## ASIC Suggested Books

design and verification are quite orthogonal, and one would usually focus on only one. for design, I would first learn verilog and synthesis. You can go about using tutorials, books might not be the best source. for verification, I think Bergeron is a good author. OK, what's the difference between design and v

## Drawing lines in Altium schem symbol library

Hello, I am trying to draw a small arrow in Altium, and obviously want the line to be able to go in any direction, not just orthogonal , any ideas??this is absolutely simple to achieve in Eagle?no idea in Altium

## Can we design a 45 degree hybid coupler?

A hybrid coupler exploits the properties of orthogonal E and H fields. At 45 degrees, they are not orthogonal.

## [moved] please want help HFSS Floquet port unit cell

Hi sztr, You need to do pretty much what HFSS is telling you to do: ensure that the floquet port is touching orthogonal Master/Slave boundaries. There are some good tutorials included with HFSS that explain how to use Floquet ports.

## Multi Dimensional Constellation and Shaping Gain

Multidimensional constellation is a general expression for orthogonal constellation. Because if two signals are othogonal to each other, you should define at least two dimensions to identify these 2 signals. With that approach, if you arbitrarily define a modulation scheme that assigns your signals to some points and if you cannot represent all the

## MIMO Orthogonal Frequency Division Multiplexing with Index Modulation

i have been working on MIMO OFDM with index modulation. can u please help me with the matlab code for it...?

## Untheoretical Frequency Change

How have you configured your microstrip , stubs and slots for polarization and reactive loading? Have you considered linear and circular polarization with two near-degenerate orthogonal resonant modes with equal amplitudes and a 90◦ phase difference?

## VCC signal on ground plane

First lay tracks that are controlled impedances without vias and good ground planes with microvias as needed. Then partly lay tracks dominated in one direction and orthogonal ones. Then repeat visa versa on other side for balance of signals. Complete tracks with orthogonal connections and vias where required. Although not perfect, and planning i

## Combine results in CST in one port

Hi every one, I am simulating a horn antenna with a wave port with two orthogonal modes (to get circular polarization), the combine option in Post processing tab is not available for me. it gives me this warning:At least one propagating mode is not considered at port 1. Can anyone help me please? Thank you very much

## Basis functions(why sine and cosine only)

We use sine and cosine as basis functions. Why we can not have more than this. May be other than this. For orthogonal implementations we are dependent on orthogonal frequencies and these two basis function. Is there any process by which we can create or consider more than this. Then we can have more spectral efficiency.

## How to fiix LUT inputs?

When using cyclonexx_lcell_comb, the inputs may be reassigned by the fitter. As far as I understand, this done due to routing constraints, the routing options aren't orthogonal.

## Calculate impedance PCB tracks

The Saturn PCB toolkit has been mostly suggested for similar purposes. It should be noted that the traces on the said layers are no clean asymmetrical stripline because the impedance is affected by traces on the other signal layer. You get best results by defining orthogonal routing directions on the adjacent layers.

## SC-FDE and OFDM STBC

Hello all, Why when we use space-time block coding (STBC) with single-carrier frequency-domain equalization (SC-FDE) we use a permutation matrix, while we don't use it in case of orthogonal frequency division multiplexing (OFDM)? Thanks

## antenna and balun fabrication

Probably may be two orthogonal antenna, with two ports connected to a 3db coupler. In these case you can see right or left circular polarization without looses.

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