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# long le

Last seen: 9 months ago Active since 2018

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MATLAB - Signal Noise Ratio
I have a damped sine wave which is a emitted signal as below: x = x = A*exp(-t).*sin(2*pi*f*t); And I define a received signal...

11 months ago | 0 answers | 0

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MATLAB - Delay sine wave
I have a damped sine wave as below: N=250; Fs=20; Ts=1/Fs; t=(0:N-1)*Ts; A = 3; f = 1; x = A*exp(-t).*sin(2*pi*f*t);...

11 months ago | 1 answer | 0

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delay sine wave and correlation
Simulate in Matlab/Python a damped sine wave as the emitted signal (x(n). The damped signal can be obtained by multiplying a sin...

11 months ago | 0 answers | 0

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CALCULATE norms: l2 and l1 distances
I have two vector with different size x=[1; 2; 5; 6; 1; 9; -5 ]; y=[1; -2; 3; 1; 0; -3 ]; How can I calculate the distance l1...

11 months ago | 1 answer | 0

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Write an image processing algorithm that measures the surface area of the green pills in pixels
Considering the image ‘pills2’, write an image processing algorithm that measures the surface area of the green pills in pixels....

11 months ago | 1 answer | 0

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MATLAB CODING - SIGNAL CONVOLUTION
I have a convolution operator as a linear system which transforms a signal x(n) into a signal y(n) through an impulse response h...

11 months ago | 1 answer | 0

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Frequency domain and Shannon limit
Hi all, I am a newbie in MATLAB coding. I have some questions related to frequency domain. I have an sine wave equation as be...

12 months ago | 1 answer | 0

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Generate and represent a sine wave in Matlab
Hi every one, I am a newbie in Matlab, I have a question as below. Anyone can help me to do it in Matlab, or give me some guid...

12 months ago | 0 answers | 0