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Ritesh Chandra Tewari


Last seen: 4 months ago |  Active since 2021

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How to reduce dimensionality of a rectangular matrix
I have collected 288 radar data. The sampling frequency was 128khz. So we collected 5-second data, which gives us 640000 data po...

6 months ago | 1 answer | 0

1

answer

Question


Processing each data automatically in a loop
for i=0:287 c = '.dat'; i=int2str(i); str = append(i,c); [filename,pathname] = uigetfile(str); fileID =...

12 months ago | 1 answer | 0

1

answer

Question


SNR estimation from a radar sensor signal
I am using a radar sensor for physiological monitoring. Suppose my required physiological frequency range is A to B Hz. I find p...

1 year ago | 1 answer | 0

1

answer

Question


How to loop over multiple data and save the plot?
I am using matlab online. I have 2000 dat files as data. Whenever I run the code, the folder appears and I have to manually sele...

2 years ago | 1 answer | 0

1

answer

Question


Computing spectrogram using STFT
I have Radar motion data. There are two columns time and amplitude. Can someone help, how to find spectrogram of raw signal usin...

2 years ago | 1 answer | 0

1

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Question


How to find the constant value in a loop for a particular condition?
A = [0.01; 0.03; 0.1; 0.3; 1; 3; 10; 30]; % error = zeros(64,1); for i= 1:8 C = A(i); for j = 1:8 sigma =...

2 years ago | 1 answer | 0

1

answer

Question


Legend Problem in Scatter Plotting
[m,n] = size(y); x1 = X(:,1); x2 = X(:,2); for j=1:1:n for i=1:1:m if y(i,j)==1 scatter(x1(i,j), x...

2 years ago | 1 answer | 0

1

answer

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

2 years ago