fima v
Last seen: 3 months ago
106 total contributions since 2017fima v's Badges
Accept 20 answers given by other contributors
Awarded to fima v on 25 Feb 2020
Question
How to catch UART Live data in Matlab
I have built a mechanism for sending the letter 'O' every few seconds. After that I catch the recieved Data with fgets in MATLAB...
3 months ago | 0 answers | 0
0
answersQuestion
Live data recieving as alternative to fgets command
Hello,i am using fgets command to manually get what was recieved from UART i get a result after 10 seconds is there a way in ma...
3 months ago | 0 answers | 0
0
answersQuestion
matlab UART communication with FTDI c232HD cable problem
Hello ,before coding in Matlab i tried to test the connection with the UART cable with COMM software In the device manager it s...
4 months ago | 0 answers | 0
0
answersQuestion
Matlab simulink components not conecting problem
Hello , I tried to connect those three components together the resistor is from powerlib/Elements/Series RLC Branch. The Opamp...
5 months ago | 0 answers | 0
0
answersQuestion
simscape noise on scope display
Hello , i have tried to display my DC with noise signal into a scope using PS-simulink converter but as you can see bellow. its...
5 months ago | 0 answers | 0
0
answersQuestion
noise voltage source in simulink
Hello, from the manual shown bellow i have tried to look for the Vn component where i could get the following menu of noise volt...
5 months ago | 0 answers | 0
0
answersQuestion
resistor with random variable number not working
Hello i have many simulink blocksets, i have tried to put rf blockset in order to build a ressistor with random value in it as ...
5 months ago | 1 answer | 0
1
answerQuestion
ressistors with small random offset in SIMULINK
Hello , I want to have 10 resistors with a littles offset in resistance by random number arounk 1kohm i have itried to use matl...
5 months ago | 2 answers | 0
2
answersQuestion
debugging within built in matlab function
Hello , I want to see how my data being proccessed with polyfit function given my input vectors. breaking point can only be put...
5 months ago | 1 answer | 0
1
answerQuestion
interp1 function error
Hello i have made an interpolation of a descrete CSV file which is attached and turned it into continues function using interp1....
6 months ago | 1 answer | 0
1
answerQuestion
regular function integration failure
Hello, i have two functions .The first called "fun" (purple in the plot) is integrated great and i get a precise result of 43 fr...
6 months ago | 1 answer | 0
1
answerQuestion
multiplication of functions integration problem
Hello,i have two functions "fun" and "coef_fun" "coef_fun" was created with interpolation of the attached CSV and it looks lik...
6 months ago | 1 answer | 0
1
answerQuestion
unique function usage at interp1 interpolation
Hello, i have imported 2D data from the attached CSV as x_data and y_data. i have used interp1 function as shown bellow to inte...
6 months ago | 2 answers | 0
2
answersQuestion
integral with vectoric varying coeficient
Hello , i have a basic function exp(-x.^2).*log(x).^2 which i integrate in a certain interval. i want to multiply my basic f...
6 months ago | 2 answers | 0
2
answersQuestion
for loop of vector
Hello, i have a function shown bellow called fun, i want to sample it in a 10.^-6 - 20*10.^-6 interval with 1000 samples as sho...
6 months ago | 1 answer | 0
1
answerQuestion
rftoobox gain stability plots on smithchart
Hello, i have the following S2P file shown bellow,i found realy not enough examples for implementing rftoolbox avalible gain cir...
6 months ago | 0 answers | 0
0
answersQuestion
creating continues ZOH plot from samples using sinc
Hello, i have an array of dots called y_in created by the code bellow. How using sinc function we create a continues signal of ...
6 months ago | 0 answers | 0
0
answersQuestion
error plotting smithchart by MATLAB manual
Hello i am trying to follow the steps in this manual https://www.mathworks.com/help/rf/examples/designing-matching-networks-par...
6 months ago | 0 answers | 0
0
answersQuestion
touchstone file could not be processed in matlab
Hello , I have created a touchstone in cadence virtuoso of two port system(i have renamed it in txt so i could upload it here) b...
6 months ago | 1 answer | 0
1
answerQuestion
converting csv file into s2p
Hello , I have a csv file representing s11 s21 s12 s22 S-param's i have extracted from cadence virtuoso simulator. each s-param...
6 months ago | 0 answers | 0
0
answersQuestion
avarage running time problem
Hello, i want to calculte an avarage running time amongst all 100 iterations. for some reason my avarage running time is astr...
6 months ago | 1 answer | 0
1
answerQuestion
loosing precision extremely in fraction expression
Hello i have a two numbers (D1 D2) which are extremly close to each other very close,but when iput them into the formula shown b...
6 months ago | 1 answer | 0
1
answerQuestion
matlab code pc independant runtime question
Hello, i have a matlab code,each PC has a different computation power,even using Matlabs tic toc we get the time code ran given ...
6 months ago | 0 answers | 0
0
answersQuestion
loop causes enlargement of array
Hello, my theta vector 2X1 two values needs to be updated each itteration. instead i get theta to be size 1000 (as the number o...
6 months ago | 1 answer | 0
1
answerQuestion
python to matlab [1,x] form question
Hello ,there is a trick in python to turn every matrices of NX2 into an NX2 matrices where the first column is all '1' as shown...
6 months ago | 1 answer | 0
1
answerQuestion
matlabs polyfit not working correctly problem
Hello, i have a vector called "mean_vec" which consists of 81 values of " -0.1175 -0.1181 "-0.1175 -0.1194 -0.1197 ...
7 months ago | 1 answer | 0
1
answerQuestion
regress function itterations number
Hello, is there a way to know hoe namy itterations regress function made to reach its oprimal solution? Thanks.
7 months ago | 0 answers | 0
0
answersQuestion
zero padding between data
Hello, i have a vector shown bellow, how do i insert two zeros in between every bumber as shown bellow. Thanks. a=[1,2,3,4] a...
7 months ago | 1 answer | 0
1
answerQuestion
aliasing in frequency domain problem
Hello ,i am trying to show frequency domain transform of 3 sinuos signal.I samples it twice the frequency of the highest frequen...
7 months ago | 1 answer | 0
1
answerQuestion
polar reflection coefficient to impedance gamma2z question
Hello, how do i input the polar reflection coefficient shown bellow into gamma2z with z0=50? Thanks
7 months ago | 0 answers | 0
0
answers
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