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# John BG

Last seen: 8 jours il y a Actif depuis 2014

MIET 36486065 MEng Telecommunication Systems UPC ETSETB Barcelona

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How can I convert serial data to a binary sequence?
There are a couple ways to do this. The comments below are referring to John's initial Answer (Approach 2). Approach 1: For the ...

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impedance matching microwave engineering POZAR chapter 05 exercise 03
impedance matching microwave engineering POZAR chapter 05 exercise 03

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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...

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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...

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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...

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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...

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

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

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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...

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waveguides microwave engineering POZAR chapter 03 exercise 09
TE01 cut-off frequency variations with dielectric slab filling of different thickness

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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...

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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...

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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...

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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...

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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=...

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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 ...

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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...

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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...

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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=...

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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...

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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...

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

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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.

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rectangular waveguide propagation modes - microwave engineering POZAR chapter 01
rectangular waveguide propagation modes - microwave engineering POZAR chapter 01

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waveguides microwave engineering POZAR chapter 03 exercise 28
waveguides microwave engineering POZAR chapter 03 exercise 28

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MICROWAVE ENGINEERING – POZAR – WAVEGUIDES CHAPTER 03 EXERCISE 27
waveguides microwave engineering POZAR chapter 03 exercise 27

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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...

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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.

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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...

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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=...

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