7 Questions 11 Answers 0 Followers
Questions related from Vahid Sh
Hello engineers To achieve a sidelobe level of -30 dB in a slot linear array, I calculated the amplitude and offset coefficients in Matlab, but when I enter the offsets (in CST studio.), I do not...
19 May 2025 797 0 View
Hello engineers, To design the feeding of a slot antenna planar array by the coupling slots as shown in the figure. How should I calculate the dimensions and angle of the coupling slot? Are the...
10 September 2024 3,532 1 View
Hello I want to design a riblet hybrid coupler (Short Slot Hybrid Coupler) in X-band. 1- What should be the length of the couple region, the distance between the two common walls? 2- What...
18 March 2023 6,754 3 View
Hello to all Two questions 1. Does the use of metals with high magnetic permeability, such as iron alloy in the waveguide, cause insertion losses? 2- What about chrome or copper plating? If you...
12 May 2022 3,354 7 View
The dimensions of the ports of the coaxial to waveguide adapters in the X-band that I designed are as follows: 5.08 * 22.86 And 2.8 * 22.86 Now my questions are: 1- Do I just have to measure the...
18 December 2021 4,148 4 View
Hello dear engineers. I designed a coaxial adapter for X-band waveguides. Now I want help to test and tune with the network analyzer device. How should I test it? If you know a reference, please...
12 December 2021 2,059 13 View
Hello engineers To achieve a sidelobe level of -30 dB in a slot linear array, I calculated the amplitude and offset coefficients in Matlab, but when I enter the offsets, I do not reach that...
01 January 1970 2,435 9 View