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How to test the radiation characteristics of an antenna without knowing its internal LO signal
19 July 2025 2,261 7 View
Converting planar near-field to far-field using fft2, the results are shown in the figure. Why is there such a significant discrepancy between the code-calculated values and simulation values at...
07 March 2025 9,069 5 View
CST Studio generates a function curve, how to set the curve accuracy, and what is the curvature?
19 January 2025 6,468 2 View
"ERROR 32945: It is highly recommended to use the conventional MoM, since the MLFMM near field matrix fill exceeds 20% of the full MoM matrix" i have test on a few frequency points, this error...
07 August 2024 9,648 1 View
I want to use the LM algorithm to optimize the phase of the elements on the transmission array to generate a specific field distribution in the near field - the desired field strength and phase...
25 October 2023 1,825 0 View
What is its transmission property at millimeter wave bands?
21 August 2023 3,335 4 View
When using CST simulation, I will encounter this warning, how to deal with it ?
25 July 2023 7,364 0 View
I want to use a lens to convert the far field of the feed antenna into a specific form, say, a flat-top form
19 July 2023 3,122 0 View
In the CST studio, i want to use the setting"adaptive mesh refinement" ,but it's gray and cann't be changed.
22 June 2023 1,279 0 View
Every time I do post-processing, the cst always freezes and doesn't respond, and if I add post-processing templates to the simulation, it will take a long time for the simulation to end up in...
21 April 2023 8,450 1 View
Can you provide some papers or books that introduce computational methods ？
22 March 2023 7,253 2 View
I specified the expression of far-field pattern in CST and simulated it, but I can't see the electric field distribution on the object. Whether the electric field distribution can be observed when...
15 February 2023 5,255 4 View
In the application of lens antenna, what is the relationship between the refractive index of the lens and the radiation pattern？
11 December 2022 5,701 4 View
I used the post-processing template in CST to calculate the refractive index of a pure dielectric block (the permittivity 2.3). Theoretically, the refractive index should be the square root of the...
02 November 2022 4,914 1 View
accurately, i wanna know how to design a transmissive metamaterial cell that produces a wide range of phase differences?
22 October 2022 9,321 1 View
How to use the plane metamaterial lens to realize the function of the dielectric lens (such as convex lens or concave lens), or how to convert the change of the thickness of the dielectric lens...
05 October 2022 3,122 2 View
I need to know the formula of the Gaussian Beam used by the software CST studio, so that I can identify the problem. Thank you in advance.
29 September 2022 3,413 0 View
Most of the known methods are based on the S parameter in the simulation results to deduce the equivalent refractive index. I would like to ask if there are any formulas for obtaining the...
01 January 1970 6,835 1 View
