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Sadiq Akbar


Last seen: 1 giorno ago Active since 2015

I am Sadiq Akbar, a keen learner in Matlab

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Question


How to remove the AWGN noise from data?
Let's say we have a vector data Uo=[20 30 40 50]; If we add AWGN noise to it, it becomes data U i.e., U=awgn(Uo,30); Now we s...

3 giorni ago | 2 answers | 0

2

answers

Answered
How to code for the following coordinates?
I did it myself. So if any body needs it, here it is: clear all clc N=11;%9;%7; d=0.5; r=zeros(N,3); x=[0 d:d:(N-1)/2*d ze...

2 mesi ago | 0

| accepted

Question


How to code for the following coordinates?
Let N denotes no. of antennas placed along an axis.Now if I have total 7 antennas i.e., N=7 and I place each antenna 0.5 apart o...

2 mesi ago | 2 answers | 0

2

answers

Question


How to modify the code to get my desired array?
If we keep 10 antennas at equal distance in a circle on XY-Plane, then their coordinates are given by the code given below: fun...

3 mesi ago | 1 answer | 0

1

answer

Question


Why does my function abc give error with optimtool
I have a function file abc. I want to run it with optimtool ga. I do settings in the Optimtool as below: Solver: ga-Genetic Alg...

3 mesi ago | 1 answer | 0

1

answer

Question


How to plot like this????????
I want to draw my plot like the one shown in the attachment. I tried but in vain.

3 mesi ago | 1 answer | 0

1

answer

Question


How to make size of legend window on a figure window as small as we desire?????
I have drawn my plot having a legend window on it. The legend is coming over the graph lines. I want to make size of the legend ...

3 mesi ago | 1 answer | 0

1

answer

Question


Why this piece of code gives error?
CostFunction='fun4sn0'; nPop=120; nVar=4;%nVar=1000; nPop_Initial=nPop; nPop_Final=30; MaxNFE=3e3; MaxIter0=ceil(MaxNFE/...

5 mesi ago | 2 answers | 0

2

answers

Question


Why this gives error?
LB=[0 0 0 0]; UB=[10 10 pi pi]; particles_x(1,1)=LB+rand*(UB-LB)

6 mesi ago | 2 answers | 0

2

answers

Question


How to draw a pulse train
I want to draw a pulse train in Matlab like the one shown blue in attached picture. The duration of each pulse is Tp and there a...

7 mesi ago | 1 answer | 0

1

answer

Question


How to plot peaks on desired location in a 3D plot?
There are two vectors that will make an xy-plane. I want to draw a peak pointing in z-direction on a desired location on the xy-...

7 mesi ago | 1 answer | 0

1

answer

Question


How to plot a 3D plot from three linear vectors?
I have three vectors x ,y and z. The size of all of them are same.But all of them are 1D arrays. I want to draw a 3D plot from t...

7 mesi ago | 1 answer | 0

1

answer

Question


MATLAB libraries of DHT11 sensor
@ MathWorks MATLAB Hardware Team If the DHT11 sensor is connected to my Arduino and I want to read the temperature and humidi...

11 mesi ago | 1 answer | 0

1

answer

Channel


IOTDEMO10

11 mesi ago

Question


Why do upsample and downsample commands give wrong results in start of sequence?
I have a code for upsampling an input sequnce x and then downsampling it back to original by a factor 3. When I look at the plot...

11 mesi ago | 3 answers | 0

3

answers

Question


Everything being the same, then why does matrix C give different values in the two codes?
All the values are the same in both the codes, then why does matrix C give different values in both the codes? code1: u=[30 50...

12 mesi ago | 1 answer | 0

1

answer

Question


I want to implement these equations in MATLAB but how?
The equations are given in the attachment. Assume lambda=1. How to implement the given equations in MATLAB?

12 mesi ago | 1 answer | 0

1

answer

Question


How to separate the MIMO code only from given code?
The given code treats three types of system namly PHASED-ARRAY RADAR, MIMO RADAR and PHASED-MIMO RADAR (K=5). I want to delete t...

12 mesi ago | 0 answers | 0

0

answers

Question


why the command "figure(gcf+1)" gives error?????
doas=[-30 -5 40]*pi/180; P=[1 1 1]; N=10; %Number of array elements K=1024; %Number of data snapshots d=0.5; %Distance bet...

circa un anno ago | 1 answer | 0

1

answer

Question


Why this code gives error?
Nc=31; N=5; M=3; K=3; tot_len=200; array_TX =[3.5086 0 0;2.6877 2.2553 0;0.6093 3.4553 0;-1.7543 3.0385 0;-3...

circa un anno ago | 1 answer | 0

1

answer

Question


Why this code the given error?
close all; clear all; clc; vec = @(MAT) MAT(:); vecH = @(MAT) MAT(:).'; % M = 5; M = 10; N = 4; % N = 10; d = 0.5; K = 3...

circa un anno ago | 1 answer | 0

1

answer

Question


why this line gives error?
I have a code in which there is an error: %% 212 % Range 213 Range_hat(1) = Ranges(snapstart(1)); 214 Rangebin_hat...

circa un anno ago | 2 answers | 0

2

answers

Question


What are these commands in Matlab? Can any one explain them with examples. I searched them but didn't find any help
I don't understand the following commands in Matlab. I searched their help but in vain. Can anyone explain them with examples? ...

circa un anno ago | 1 answer | 0

1

answer

Question


How to generate a Gaussian random complex vector of N elements
How can we generate a Gaussian random complex vector of N elements of zero mean and variance 1 in MATLAB ?

oltre un anno ago | 2 answers | 0

2

answers

Question


How to rectify the error in this code?
I found a code for ESPRIT algorithm as below but it gives me this error: Undefined function or variable 'theatest3'. Error...

oltre un anno ago | 1 answer | 0

1

answer

Question


Covariance matrix as a diagonal matrix or not??????
The literature says that when three signals are uncorrelated i.e., they have different frequencies, then their COVARIANCE MATRIX...

oltre un anno ago | 1 answer | 0

1

answer

Question


Can we use xcorr() for continuous signals
If we have two continuous signals as below: Then can we use xcorr() to find the correlation between them? close all; clc; clear...

oltre un anno ago | 0 answers | 0

0

answers

Question


two coherent and two correlated signals in Matlab
How can we generate two coherent signlas in Matlab? Likewise how can we generate two correlated signlas in Matlab. Furhter how w...

oltre un anno ago | 2 answers | 0

2

answers

Question


Problem in AWGN command
I have two matrices A and xx.. The dimension of the matrix A is 9 x 3 complex double and that of xx is 3 x 500 complex double. T...

oltre un anno ago | 1 answer | 0

1

answer

Question


dividing a diagonal matrix into same and different diagonal elements
I have a diagonal matrix as: V = [ 0.0001 0 0 0 0; 0 0.0001 0 0 0; ...

oltre un anno ago | 1 answer | 0

1

answer

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