While applying similarity transforms to annihilate elements of coupling matrix, why the previously annihilated elements are affected?

i want to annihilate cross-pivot elements of coupling matrix by using similarity transforms. while doing this, the previously annihilated elements are affected. In this case how to proceed with...

02 March 2018 5,222 0 View

How to find the topology for determining coupling matrix for a low pass filter with transmission zeros at finite frequencies?

I have an elliptic low pass filter of order 5. it gives three transmission zeros at finite frequencies. i want to arrive at the coupling matrix for this filter. how to determine the topology for...

01 February 2018 1,888 6 View

How to optimize the coupling matrix of a bandstop filter?

Thanks in advance

10 November 2017 7,203 0 View

Bandstop coupling matrix synthesis?

how to annihilate an element, Mik in coupling matrix by using similarity transform when there is no common node j to both i and k. How to take the rotation angle for annihilating this element? the...

10 November 2017 2,868 0 View

How to find the transmission zeros from s parameter characteristics?

06 July 2016 516 0 View

How to correct the error in surf command in matlab?

i am getting the following when i run a matlab code: Error using surf (line 57)While setting the 'ZData' property of Surface:Value must be a scalar, vector or array of numeric type can anybody...

03 April 2016 6,448 3 View

Is anybody working in the area of method of lines computational method to analyse waveguiding structures?

Computational Electromagnetics

31 December 2015 3,889 6 View

Does anybody have idea of how to model any electromagnetic wave guiding structures?

conditions to be considered for modeling a wave guiding structures, how to write matlab codes for modeling, assumptions to be considered for modeling an electromagnetic wave guiding structure

11 December 2015 7,646 0 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View