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21 Threads found on edaboard.com: Orthogonal Space
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
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
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
AC quantities are vectors in a two-dimensional vector space, usually respresented by complex numbers. In the present case both voltages are orthogonal, summing like the legs of a right-angled triangle.
please i need code shows graph the result of simulation of no diversity(1Tx,1Rx)(BPSK),OSTBC(4Tx,1Rx)(QPSK),Alamouti(2Tx,2Rx)(BPSK), Maximal-Ratiocombining(1Tx,4Rx)(BPSK) and Theoretical 4th ?orderDiversity(QPSK). please help me i need code to my project
don't get confused by the word "orthogonal". Here's what happens in simpler (?) words ... and based on understanding of the Sinc function. if you space the subcarriers from one another by any amount equal to the reciprocal of the symbol period of the data signals, the resulting sinc (sin x/x) frequency response curve of the signals is such that
Two vectors are orthogonal one each other if their dot product is zero, then I think you just have to find a vector (y1, y2, y3) so that: x1*y1+x2*y2+x3*y3=0 As said by Shug, in the space there are infinite vector orthogonal to a given one. If you don't have other costraints I think you can arbitrary assign a value to two variables (...)
Hi guys, I'm trying to learn PCA. as an example I have just 2 points in my 3-D space. using PCA(eigen vectors) the outcomes are the principal component: line connecting these 2 points the 2 other orthogonal axes in my opinion could be anywhere in the plane perpendicular to this connecting i wonder what is the PCA criteria to give me t
Hi guys, I'm trying to learn PCA. as an example I have just 2 points in my 3-D space. using PCA(eigen vectors) the outcomes are the principal component: line connecting these 2 points the 2 other orthogonal axes in my opinion could be anywhere in the plane perpendicular to this connecting i wonder what is the PCA criteria to give me the
Hi, I am trying to do simulation for orthogonal space-Time Block Coding (OSTBC) with four transmit and one receive antenna using BPSK modulation. I followed the approach in Jafarkhani's book: "space-Time Coding: Theory and Practice", but the curve is not consistent with his. Why? clear all; clc; SNRdB=0:30; SNR=10.^(SNRdB./10);
Hi Everyone. I am doing thesis on this topic .Please help me by providing matlab code for " Performace analysis of orthogonal STBC using feedback in correlated channels ". if anyone is having or provide some related material I will be very much thankful to the person.Please mail me at
Hi everyone. I know that vertical and horizantal polarizations are orthogonal in space. what I dont understand is how can RHCP and LHCP be orthogonal in space. If two waves RHCP and LHCP are existing in the same position, then I assume that their vector components will interfere and may cause for example linear (...)
In book of Andrea Goldsmith, it is written that "TDMA, FDMA, and orthogonal CDMA are all equivalent in the sense that they orthogonally divide up the signaling dimensions, and they therefore create the same number of orthogonal particular, given a signal space of dimension 2BT, N orthogonal channels of (...)
I understand how to use clarke/park transformers, but personally I have only used them to control induction machines via pwm inverters. In my opinion, the operation is similar in many aspects. AFE control can also use two phase orthogonal (Iα, Iβ, Vα, Vβ) space vector descriptions. As a specific point, a mains f
>1.I would want to know a little bit about Non-orthogonal STBC. Can you help me! Guess these are codes where the transmitted sequences are not always orthogonal to each other, unlike, say, Alamouti. But then, may be they are called "partially orthogonal" >2.Are STBCs a kind of chanel coding or what? Nope. STBC are not for error (...)
3 orthogonal circle as 3 coordinate axis!
i am doing project work on "space time block codes from orthogonal designs" using matlab. can anybody send materials regarding this topic which help me to understand theory more. i thank u lot to those.....
Where are two or more frequencies orthogonal to each other? M
I need an elementary Introduction to ?orthogonal Polynomials? can I have a suggestion ?? Thank you
Plane wave means you've E & H component orthogonal to each other and both components are propgating in space in the prpgation direction with certain propgation phase , and E , H components are varying by time and space
It is unique. If the function f(t) is piecewise continious and square integrable the fourier coffiecients are unique. This is a consequence of Sturm-Liouville theory. Another way to look at things is to consider the fourier series as an expansion in an infinite dimensional Hilbert space with cosnx and sinnx as the orthogonal basis functions.