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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...

1 day ago | 2 answers | 0

### 2

answersHow 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 months 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 months ago | 2 answers | 0

### 2

answersQuestion

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 months ago | 1 answer | 0

### 1

answerQuestion

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 months ago | 1 answer | 0

### 1

answerQuestion

How to plot like this????????

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

3 months ago | 1 answer | 0

### 1

answerQuestion

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 months ago | 1 answer | 0

### 1

answerQuestion

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 months ago | 2 answers | 0

### 2

answersQuestion

Why this gives error?

LB=[0 0 0 0]; UB=[10 10 pi pi]; particles_x(1,1)=LB+rand*(UB-LB)

6 months ago | 2 answers | 0

### 2

answersQuestion

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 months ago | 1 answer | 0

### 1

answerQuestion

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 months ago | 1 answer | 0

### 1

answerQuestion

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 months ago | 1 answer | 0

### 1

answerQuestion

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 months ago | 1 answer | 0

### 1

answerQuestion

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 months ago | 3 answers | 0

### 3

answersQuestion

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 months ago | 1 answer | 0

### 1

answerQuestion

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 months ago | 1 answer | 0

### 1

answerQuestion

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 months ago | 0 answers | 0

### 0

answersQuestion

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...

1 year ago | 1 answer | 0

### 1

answerQuestion

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...

1 year ago | 1 answer | 0

### 1

answerQuestion

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...

1 year ago | 1 answer | 0

### 1

answerQuestion

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...

1 year ago | 2 answers | 0

### 2

answersQuestion

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? ...

1 year ago | 1 answer | 0

### 1

answerQuestion

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 ?

1 year ago | 2 answers | 0

### 2

answersQuestion

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...

1 year ago | 1 answer | 0

### 1

answerQuestion

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...

1 year ago | 1 answer | 0

### 1

answerQuestion

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...

1 year ago | 0 answers | 0

### 0

answersQuestion

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...

1 year ago | 2 answers | 0

### 2

answersQuestion

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...

1 year ago | 1 answer | 0

### 1

answerQuestion

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; ...

1 year ago | 1 answer | 0