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# arash

Active since 2013

Followers: 0   Following: 0

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Question

filtering in frequency domain
I have signal say 'data'; i want to cutt off all the frequency above 25 Hz in this signal. what should i do?

mer än 9 år ago | 1 answer | 0

### 1

Question

kanai-tajimi and penzien filter function
I have generated a random gaussian distribution number and multiply these stationary-type waveform with a sutible deterministic ...

nästan 10 år ago | 0 answers | 0

### 0

Question

Gaussian distributed random numbers
I need to generate a stationary random numbers with gaussian distribution of zero mean and a variance of unity with max value on...

nästan 10 år ago | 3 answers | 0

### 3

Question

Saving variable in txt file
I wan to save my variable in a text file with save('Final.txt','acc','-ASCII'); but i want to first go over some line(pass a f...

ungefär 10 år ago | 2 answers | 0

### 2

Question

plot a wavelet associated with a given scale
After performing continuous wavelet analysis the coefficient with the largest absolute value is identified.Now i want to identif...

ungefär 10 år ago | 0 answers | 0

### 0

Question

how to calculate and plot power spectral density of a given signal
I have signal and i want to plot it's power spectral density , What should i do? is it right if i first calculate the FFT of a ...

ungefär 10 år ago | 1 answer | 1

### 1

Question

error between two data
Hi guys. I have two sets of data.data 1 is the original and data2 is artificial so i want to see the difference or error perce...

mer än 10 år ago | 0 answers | 0

### 0

Question

Duhamel Integral malab Code
I want to calculate acceleration spectrum for a given record ground motion and specified period in matlab.how can i do this?

mer än 10 år ago | 0 answers | 0

### 0

Question

wavelet correspond to the scale
Hi guys I want to perform a continuous wavelet transform and find the maximum coefficient. how can i find the wavelet corresp...

mer än 10 år ago | 1 answer | 0

### 1

Question

ground motion velocity in matlab
I have ground acceleration and i want to calculate the velocity of the accelerogram, how can i do that in matlab?

mer än 10 år ago | 1 answer | 0