683 total contributions since 2014

MIET 36486065

MEng Telecommunication Systems

UPC ETSETB Barcelona

Submitted

impedance matching microwave engineering POZAR chapter 05 exercise 03

impedance matching microwave engineering POZAR chapter 05 exercise 03

1 month ago | 3 downloads |

Answered

Waveguide Modes, tan((pi*d/lambda)-(m*pi/2))=sqrt((sin^2tetac/sin^2teta)-1)

Hi Zeynep Kahraman this is John BG <jgb2012@sky.com> 1. The equation itself can be approach in different ways, Symbolic...

Waveguide Modes, tan((pi*d/lambda)-(m*pi/2))=sqrt((sin^2tetac/sin^2teta)-1)

Hi Zeynep Kahraman this is John BG <jgb2012@sky.com> 1. The equation itself can be approach in different ways, Symbolic...

2 months ago | 0

Answered

How to find the first element in a vector of differing consecutive values?

Hi Russel this is John BG jgb2012@sky.com 1.- generating data N=5 a=randi([-1000 1000],1,N); b=2*(randi([0 1],1...

How to find the first element in a vector of differing consecutive values?

Hi Russel this is John BG jgb2012@sky.com 1.- generating data N=5 a=randi([-1000 1000],1,N); b=2*(randi([0 1],1...

2 months ago | 0

Answered

finding closer points to a given co-ordinates

Hi Subarna Giri this is John BG <jgb2012@sky.com> On April 30th I answered the really similar question nearest point fr...

finding closer points to a given co-ordinates

Hi Subarna Giri this is John BG <jgb2012@sky.com> On April 30th I answered the really similar question nearest point fr...

2 months ago | 0

Answered

cutting up the signal into repeating parts

Hi Sara Bitarafan this is John BG <jgb2012@sky.com> please have a look at the attached script. . 1.- Acquiring sign...

cutting up the signal into repeating parts

Hi Sara Bitarafan this is John BG <jgb2012@sky.com> please have a look at the attached script. . 1.- Acquiring sign...

2 months ago | 3

Answered

Please help. I need to read this file and isolate column 2.

Hi Charles Naegele this is John BG <jgb2012@sky.com> 1. You are having the same result as if you were using textscan in...

Please help. I need to read this file and isolate column 2.

Hi Charles Naegele this is John BG <jgb2012@sky.com> 1. You are having the same result as if you were using textscan in...

2 months ago | 0

| accepted

Submitted

Countdown words helper

find all words between 4 and 9 characters in input string of 9 characters in less than 29 seconds.

2 months ago | 0 downloads |

Answered

How can I draw smithchart ? I'm gettting an error

Hello Ali this is John BG <jgb2012@sky.com> You are using some of the functions I have written to help develop MATLAB code...

How can I draw smithchart ? I'm gettting an error

Hello Ali this is John BG <jgb2012@sky.com> You are using some of the functions I have written to help develop MATLAB code...

2 months ago | 1

Submitted

waveguides microwave engineering POZAR chapter 03 exercise 09

TE01 cut-off frequency variations with dielectric slab filling of different thickness

2 months ago | 0 downloads |

Answered

How would you make a contour plot of a 3 column matrix?

Hi Louis van Herwijnen this is John BG <jgb2012@sky.com> 1.- acquiring data from the provided Excel file clear...

How would you make a contour plot of a 3 column matrix?

Hi Louis van Herwijnen this is John BG <jgb2012@sky.com> 1.- acquiring data from the provided Excel file clear...

2 months ago | 0

| accepted

Answered

how to concatenate tables stored in a structure

Hi effess this is John BG <jgb2012@sky.com> there's no need to use the command cat or vertcat. just concatenate the tab...

how to concatenate tables stored in a structure

Hi effess this is John BG <jgb2012@sky.com> there's no need to use the command cat or vertcat. just concatenate the tab...

2 months ago | 0

Answered

ode45 command matlab help

Hi Abdullaziz this is John BG <jgb2012@sky.com> 1. the ODE is simple and it can be split into 2 parts: 1000*dV...

ode45 command matlab help

Hi Abdullaziz this is John BG <jgb2012@sky.com> 1. the ODE is simple and it can be split into 2 parts: 1000*dV...

2 months ago | 0

Answered

How do I find the percentage for the area of white colour over the area of the full image?

Hi Nursyahirah this is John BG <jgb2012@sky.com> When one zooms in it turns out that KSSV answer includes a lot of grey pi...

How do I find the percentage for the area of white colour over the area of the full image?

Hi Nursyahirah this is John BG <jgb2012@sky.com> When one zooms in it turns out that KSSV answer includes a lot of grey pi...

2 months ago | 0

| accepted

Answered

How to solve this simple system of 2 equation in MATLAB

Hi Abdulaziz this is John BG <jgb2012@sky.com> syms v Fx Fy D L b=[D ;L] b = D L A=...

How to solve this simple system of 2 equation in MATLAB

Hi Abdulaziz this is John BG <jgb2012@sky.com> syms v Fx Fy D L b=[D ;L] b = D L A=...

3 months ago | 1

| accepted

Answered

separating an image into two images

Hi Basma this is John BG <jgb2012@sky.com> 1.- In order to split the image as requested there's no need to convert the ...

separating an image into two images

Hi Basma this is John BG <jgb2012@sky.com> 1.- In order to split the image as requested there's no need to convert the ...

3 months ago | 0

Answered

How do I count the total number 'AA' repeats in the text? I managed to count how many times it appears in each cell, but don't know how to add it up.

Hi Nitzan Khan this is John BG <jgb2012@sky.com> 1.- According to <https://stackoverflow.com/questions/26600735/mat...

How do I count the total number 'AA' repeats in the text? I managed to count how many times it appears in each cell, but don't know how to add it up.

Hi Nitzan Khan this is John BG <jgb2012@sky.com> 1.- According to <https://stackoverflow.com/questions/26600735/mat...

3 months ago | 0

Answered

How can I plot a triangle with its altitudes?

Hi Jack Bason this is John BG <jgb2012@sky.com> I have rearranged your code to do what you asked for, please find attach...

How can I plot a triangle with its altitudes?

Hi Jack Bason this is John BG <jgb2012@sky.com> I have rearranged your code to do what you asked for, please find attach...

3 months ago | 0

Answered

nearest point from two matrices

Hi Busy Bee this is John BG <jgb2012@sky.com> 1.- Generating data . clear all;clc;close all N=10 Ln=...

nearest point from two matrices

Hi Busy Bee this is John BG <jgb2012@sky.com> 1.- Generating data . clear all;clc;close all N=10 Ln=...

3 months ago | 0

Answered

How to find the point of intersection of a line and a curve?

Hi Venkata this is John BG <jgb2012@sky.com> In order to simplify the acquisition of data from the .csv files you have...

How to find the point of intersection of a line and a curve?

Hi Venkata this is John BG <jgb2012@sky.com> In order to simplify the acquisition of data from the .csv files you have...

3 months ago | 1

| accepted

Answered

Random Sampling of Repeated Numbers in an Array

Hi Masato this is John BG <jgb2012@sky.com> I have done the following corrections to your code 1.- the mismatch error...

Random Sampling of Repeated Numbers in an Array

Hi Masato this is John BG <jgb2012@sky.com> I have done the following corrections to your code 1.- the mismatch error...

3 months ago | 1

| accepted

Submitted

waveguides microwave engineering POZAR chapter 03 exercise 13

waveguides microwave engineering POZAR chapter 03 exercise 13 1st 4 cut-offs of circular waveguide

3 months ago | 7 downloads |

Submitted

50 or 75 Ohm Coax: waveguides microwave engineering POZAR chapter 03 question related to example 03

Why commercial coaxial manufacturers go either for 50 or 75 Ohm Z0.

3 months ago | 7 downloads |

Submitted

rectangular waveguide propagation modes - microwave engineering POZAR chapter 01

rectangular waveguide propagation modes - microwave engineering POZAR chapter 01

3 months ago | 9 downloads |

Submitted

waveguides microwave engineering POZAR chapter 03 exercise 28

waveguides microwave engineering POZAR chapter 03 exercise 28

3 months ago | 9 downloads |

Submitted

MICROWAVE ENGINEERING – POZAR – WAVEGUIDES CHAPTER 03 EXERCISE 27

waveguides microwave engineering POZAR chapter 03 exercise 27

3 months ago | 7 downloads |

Answered

hello i need clearer circle after performing the below code help me plz

Hi Shivu Shetty this is John BG <jgb2012@sky.com> to acquire center and surface points on the image, use the attached ginp...

hello i need clearer circle after performing the below code help me plz

Hi Shivu Shetty this is John BG <jgb2012@sky.com> to acquire center and surface points on the image, use the attached ginp...

3 months ago | 0

| accepted

Submitted

intersectN2(L1,L2) finds all N1x2 N2x2 common pairs as well as respective indices to common pairs.

intersectN2(L1,L2) finds N1x2 N2x2 common pairs as well as respective indices to common pairs.

4 months ago | 1 download |

Answered

Line of sight between points in a logical matrix

Hi Roddy this is John BG <jgb2012@sky.com> 1.- the map clear all;close all;clc S1=30;S2=30; ema...

Line of sight between points in a logical matrix

Hi Roddy this is John BG <jgb2012@sky.com> 1.- the map clear all;close all;clc S1=30;S2=30; ema...

4 months ago | 1

Answered

How do I quantify this image based on area and perimeter?

Hi Tushar this is John BG <jgb2012@sky.com> 1. acquiring image A=imread('001.jpg'); h1=figure(1);imshow(A) ax=...

How do I quantify this image based on area and perimeter?

Hi Tushar this is John BG <jgb2012@sky.com> 1. acquiring image A=imread('001.jpg'); h1=figure(1);imshow(A) ax=...

4 months ago | 0

| accepted

Answered

Caculating the sum of elements and building a vector and a matrix with letters

Hi Lee this is John BG <jgb2012@sky.com> 1.- Simulating data n=12 m=randi([1 10],n,1); x=randi([-13 13],n,1)...

Caculating the sum of elements and building a vector and a matrix with letters

Hi Lee this is John BG <jgb2012@sky.com> 1.- Simulating data n=12 m=randi([1 10],n,1); x=randi([-13 13],n,1)...

4 months ago | 1

| accepted