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Denoising using Wavelet problem
The inbuilt MATLAB function "wdenoise" does not output the denoised signal. I used the following syntax f8_clean = wdenoise(f8...
4 years 前 | 1 个回答 | 0
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Certain limits of a dataset
I have some data points (lets say a 1000 points), plotted with respect to time. I wish to find the 99.5 % limit of the data se...
4 years 前 | 1 个回答 | 0
1
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Rate transition block in simulink
My model is operating at a sampling interval of s, (using a fixed point iterative method), now i want the output of my model t...
5 years 前 | 0 个回答 | 0
0
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Blackman window magnitude compensation
I am trying to compute the fundamental phasor using sliding window DFT. I have employed a Blackman window in conjunction i.e. w...
5 years 前 | 0 个回答 | 0
0
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Fundamental component extraction using window DFT
I am dealing with phasor estimation (fundamental component extraction primarily), and i am using sliding window DFT (which happe...
6 years 前 | 0 个回答 | 0
0
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Moving average filter magnitude attenuation
I am dealing with a moving average filter which filters power system signals to rid them of noise or harmonics etc. The fundamen...
6 years 前 | 0 个回答 | 0
0
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DFT using matlab function
In case a off-nominal signal is processed using nominal frequency based fft algorithm, the peak value of the magnitude of fft is...
6 years 前 | 1 个回答 | 0
1
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Gain of 2 cycle DFT
The magnitude gain of one-cycle DFT is well known and is given by , where is the number of samples per cycle of the fundamental...
6 years 前 | 0 个回答 | 0
0
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Moving average filter cut-off frequency
How do we define the cut-off frequency for a simple moving-average filter. And since the transfer function of a typical moving a...
6 years 前 | 1 个回答 | 0
1
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FIR filter coefficients using matlab command
I have a triangular window based two-cycle lowpass filter with coefficients given by , where , and is the order of the filter. ...
6 years 前 | 0 个回答 | 0
0
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Solving matrix using LS method in SIMULINK
I have a 90x1 matrix , which is the output of a simulink model at each step time, and i am trying to multiply it to a contant ma...
6 years 前 | 0 个回答 | 0
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Filter transfer function using coefficients
I have with me a low pass filter with coefficients given by , where reprents the filter reference frequency, k runs from -N/2 ...
6 years 前 | 1 个回答 | 0
1
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Hilbert filters and their iir based design
I am looking to design an hilbert filter based on the iir model, but in the matlab filter builder toolbox, the same combination ...
7 years 前 | 0 个回答 | 0
0
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FIR filters and the delay associated with them
The delay associated with a fir filter is a downside to it, is the only way to compensate for a delay introduced by a filter by ...
7 years 前 | 1 个回答 | 0
1
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Direct form 2 iir filter
I am trying to write a code for implementing a direct form 2 based iir filter (without using the filter command), the problem is...
7 years 前 | 1 个回答 | 0
1
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Polynomials in different variables addition.
I wanted to add two or more polynomials with which are functions of different variables like 2x^2+3x+5 and 5y^2+8y+6 in matlab. ...
9 years 前 | 0 个回答 | 0
