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Recent content by medanisse

  1. M

    help for a simple structure in CST

    Hi I try to determine the magnetic field over a very simple structure as a conductive plane with height h = 0.8 mm and dimension 50 * 50 mm with a hole in the middle of radius r = 1 mm in CST See attached figure. But I have never used CST and I get errors during the simulation Can you help me...
  2. M

    How to determine the near field of a structure in CST

    Hi, can you give me the steps to determine the near field of a structure in CST thank you for your help
  3. M

    How to write CST 2D result field to output?

    Hi, I need to determine the values ​​of the field on a definite plan in CST, the use of plot data ASCII, does not allow to fix the height, with the limits on a plan (eg Xmin Xmax Ymin Ymax with a Z fixed ) Any information will be appreciated. Thanks.
  4. M

    how to determine the values of field ​​on a fixed plan in CST

    hello I need to determine the values ​​of the field on a definite plan in CST, the use of plot data ASCII, does not allow to fix the height, with the limits on a plan (eg Xmin Xmax Ymin Ymax with a Z fixed ) help me to solve this problem
  5. M

    how to determine the matrix of the field in cst

    thank you for your help I need to determine the values ​​of the field on a definite plan, the solution you gave me does not specify the limits of the plan (for example, Xmin, Xmax Ymin and Ymax with Z fixed)
  6. M

    how to determine the matrix of the field in cst

    hello can you help me solve this problem in CST I seek to determine the matrix of the normal electric field Ez (specifying the interval in both directions x and y with the spacing between points) in a plane parallel to my structure but I can not do it in CST
  7. M

    calculation accuracy in HFSS

    How to increase this coupling knowing that both Ports 1 and 2 are of type excitation lumpPort
  8. M

    calculation accuracy in HFSS

    Thank you for your help I increase "Maximum number of passes" and I decrease "Maximum Delta S", but I still have the same problem of instability of parameter S21 The second problem: the S21 parameter changes by changing boundaries of structure. Can you give me a method that allows me to...
  9. M

    calculation accuracy in HFSS

    I seek to determine the parameter S21 of a structure for a fixed frequency and a horizontal axis variable. The curve obtained for S21 is very unstable. How to increase the accuracy of the calculation of S21 thank you for your help
  10. M

    rotation of ligne of matrix in matlab

    I have a square matrix (n,n) with a center of symmetry (center of the matrix). I made a measurement on a line (0,n) of the structure and I want a Matlab statement that allows me to rotate that line on the entire matrix. see picture https://obrazki.elektroda.pl/92_1298914202.jpg thank you for...
  11. M

    normal electric field in the form of a dirac delta distribution

    can you give me an electromagnetic structure, allows me to get a normal electric field in the form of a dirac delta distribution thank you
  12. M

    Help for instructions matrix in Matlab

    Hello, Can you give me an instruction with matlab which allows me to resize a matrix, keep only the odd or even elements of the matrix Example transform the matrix a =[1 2 3 4 5 6 7 8 9 10] to a =[2 4 6 8 10]
  13. M

    Help for the inequality

    hello can you help me prove this inequality : a, b, c and s are positive real if s≥1 then (a+b+c)^s≤(a^s+b^s+c^s)3^(s-1)
  14. M

    deconvolution or inverse filtering

    I try to calculate a function h (x), starting from the equation of convolution v=h*e With v and e are two matrices of dimension (1, n) determined by simulation or measurement. I have treated the problem in the frequency domain as I first determine the Fourier transform of the two matrices v and...

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