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Figure out the waveguide width at cutoff (d) for each of TE0,TE1,TE2 and TE3 modes. Assume n1=1.48, n2=1.46 and wavelength is .82um. Sketch the transverse mode patterns (Ey(x)) at cutoff for TE0 and TE1.

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garry am 30 Okt. 2014

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Direkter Link zu dieser Frage

https://de.mathworks.com/matlabcentral/answers/160729-figure-out-the-waveguide-width-at-cutoff-d-for-each-of-te0-te1-te2-and-te3-modes-assume-n1-1-48

Kommentiert: garry am 11 Nov. 2014

Akzeptierte Antwort: Star Strider

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m=(2d/lambda)*(sqrt(n1^2-n2^2))

I am looking for the relation as given in the attachment.

https://www.wlu.ca/documents/53119/notesch3.pdf

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Star Strider am 30 Okt. 2014

Download and attach the PDF to your original Question. (Use the ‘Edit’ function.) That way we know exactly what the problem statement is.

garry am 31 Okt. 2014

Okay... These are my two equations and i need to plot these in one graph...:-

Equation 1:- (22.2*10^3)*sin((161*10^4)*x) x < d/2

Equation2 :- (42.32*10^9)*exp(-2.896*10^6) x > d/2

here d/2 = 5*10^-6 m.

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Star Strider am 1 Nov. 2014

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Direkter Link zu dieser Antwort

https://de.mathworks.com/matlabcentral/answers/160729-figure-out-the-waveguide-width-at-cutoff-d-for-each-of-te0-te1-te2-and-te3-modes-assume-n1-1-48#answer_157298

In MATLAB Online öffnen

Here you go:

d2 = 5E-6;
fv = @(x) [(22.2E+3)*sin((161E+4).*x).*(x<d2) + (42.32E+9)*exp(-2.896E+6.*x).*(x>=d2)];
x = linspace(0,2*d2);
figure(2)
plot(x, fv(x))
grid

producing:

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garry am 10 Nov. 2014

Hiee Star Strider..I have tried a lott on this question.

If you could help me..it would be of greatt help.

----> Implement an error detection mechanism using the standard FCS algorithm Write two programs, call them "Generator" and "Verifier".

---> The Generator program reads from a standard input a "k-bit" message as a string of "0s and 1's" as a line of ASCII text. The generator program also reads from a second line a "(n+1)-bit" generator pattern also in ASCII. The Generator program outputs to a standard output a line of ASCII text with "k+n" 0's and 1's representing the message to be transmitted (including the original k-bit message + the n-bit FCS bits). It also outputs the polynomial (just as it reads it in).

---> The Verifier program reads in the output of the Generator program and outputs a message indicating whether it is correct or not.

---> Finally, write a program "Alter" that inverts one bit on the first line (assume that that the leftmost bit position is #1) but copies the rest of the two lines correctly. The output of this program should indicate whether the error is detected or not.

Star Strider am 10 Nov. 2014

Communications engineering is far from my areas of expertise. I’m not at all familiar with the ‘FCS algorithm’. It might be best if you posted this as a new Question for others to see.

garry am 11 Nov. 2014

This is the link where i have posted the exact question along with the flyer explaining the exact procedure..

http://www.mathworks.com/matlabcentral/answers/162038-error-detection-using-standard-fcs-algorithm

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