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...

4 months ago | 2 answers | 0

### 2

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...

6 months ago | 0

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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...

6 months ago | 2 answers | 0

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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...

7 months ago | 1 answer | 0

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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...

7 months ago | 1 answer | 0

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Question

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

7 months ago | 1 answer | 0

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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 ...

7 months ago | 1 answer | 0

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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/...

9 months ago | 2 answers | 0

### 2

Question

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

10 months ago | 2 answers | 0

### 2

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...

11 months ago | 1 answer | 0

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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-...

11 months ago | 1 answer | 0

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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...

11 months ago | 1 answer | 0

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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...

1 year ago | 1 answer | 0

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Channel

IOTDEMO10

1 year 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...

1 year ago | 3 answers | 0

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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...

1 year ago | 1 answer | 0

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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?

1 year ago | 1 answer | 0

### 1

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...

1 year ago | 0 answers | 0

### 0

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...

1 year ago | 1 answer | 0

### 1

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...

1 year ago | 1 answer | 0

### 1

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...

1 year ago | 1 answer | 0

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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...

1 year ago | 2 answers | 0

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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? ...

1 year ago | 1 answer | 0

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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 ?

1 year ago | 2 answers | 0

### 2

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...

1 year ago | 1 answer | 0

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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...

1 year ago | 1 answer | 0

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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...

1 year ago | 0 answers | 0

### 0

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...

1 year ago | 2 answers | 0

### 2

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...

1 year ago | 1 answer | 0