提问

what does Recursive input signal mean
Can I know what is a recursive input signal. As a project report says that they are using recursive input signal and evry inp...

11 years 前 | 1 个回答 | 0

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提问

How to create a particular signal in matalb
Hello, Can some one explain of how to create the signal as shown in the below image. <</matlabcentral/answers/uploaded_f...

11 years 前 | 1 个回答 | 0

1

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已回答
Can someone explain why the error and filtered signals are switching alternatively.
Can someone explain why the error and filtered are switching alternatively after each iteration. Is there something wrong with ...

11 years 前 | 0

提问

Need help of someone who is familiar with the LMS adaptive filtering
Hello, I have been working with the implementation of least mean square adaptive type filtering from a longtime but was unabl...

11 years 前 | 0 个回答 | 0

0

个回答

提问

Can someone explain why the error and filtered signals are switching alternatively.
Hello, I have been working out from a longtime on adaptive filtering with leastmean square method but was unable to get the r...

11 years 前 | 1 个回答 | 0

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提问

How to make(create) a waveform in matlab as shown in the image
Hello, I am not sure of how to create the kind of waveform shown in the image below. I found a paper in which the author say...

11 years 前 | 3 个回答 | 0

3

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Desinging both IIR and FIR bandpass filter
Hello, Can someone help me out in designing a IIR bandpass filter and FIR bandpass filter with the needed parameters of sampl...

11 years 前 | 1 个回答 | 0

1

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How to generate(create) train of pulse signals
Hello, Can someone explain of how to create train of pulse signals with 1)sampling freq=500Hz,number of samples=1000 with ...

11 years 前 | 1 个回答 | 0

1

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提问

Detecting and saving the values of a single pulse signal form the continuous incoming pulses signals
Hello, I am getting data of pulse signals into matlab through serial port.I want to detect and distinguish each pulse pulse sig...

11 years 前 | 2 个回答 | 0

2

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提问

Need betterment for the Moving average filter
Hello, I made a moving average filter that has five sub windows say P1,p2,p3,p4,p5 where p1 has the current 500 values of the...

11 years 前 | 1 个回答 | 0

1

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提问

strange output after using the Moving average filter
Hello, I used a moving average filter of 30 order as shown below for the attached signal and the output of the moving average f...

11 years 前 | 1 个回答 | 0

1

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提问

Error when trying to use output value of a function in another fucntion
Hello, I am trying to use the output value(w) of a function(simple_LMS1) in another fucntion(simple_LMS2) but it giving error l...

11 years 前 | 1 个回答 | 0

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已回答
sampling rate and the filter output improvement
Hi wayne, It is giving error like this Error using filtfilt>getCoeffsAndInitialConditions (line 149) Data must have len...

11 years 前 | 0

提问

Plotting the data continuously coming from serial port
Hello, I am continuously getting data to matlab through the serial communication and using the below code Iam plotting the on...

11 years 前 | 1 个回答 | 0

1

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sampling rate and the filter output improvement
The sampling rate of 500Hz is not working in the matlab and this is the sampling rate which has been used on the microcontroller...

11 years 前 | 0

提问

sampling rate and the filter output improvement
Hello, _Sampling rate:_ I am working with acquiring pusle signals using microcontroller and sending them to the matlab with t...

11 years 前 | 8 个回答 | 0

8

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提问

Suggestions for filtering a signal
Hello, I have a signal as shown here <http://imageshack.us/f/6/4vcf.png/ signal> and I need to filter it so that the resultant...

11 years 前 | 1 个回答 | 0

1

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提问

Decompose a signal into its component signals
Hello, I have a PPG signal as shown here <<http://img62.imageshack.us/img62/4047/p2km.png>> From the information publis...

11 years 前 | 0 个回答 | 1

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提问

Window moving over a pulse signal and leaving output the avg of Max and Min values
Hello , I am working with the Pulse signals and I want to get a window of say length 'x' moving over the entire pulse signal(...

11 years 前 | 1 个回答 | 0

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提问

Suggest a filter to remove the noise from the signal
Can someone suggest a filter to remove the noise from the signal shown in this image (with the sampling rate being 500)?

11 years 前 | 2 个回答 | 0

2

个回答

提问

working of Recursive least square method with an example
Hello, I want to apply recursive least square filtering technique for a signal interrupted with noise induced due to the moti...

11 years 前 | 1 个回答 | 0

1

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提问

fftshift in frequency filtering
Does it mandatory to shift the frequency components using fftshift for a fourier transformed image before applying lowpass or g...

12 years 前 | 1 个回答 | 0

1

个回答

提问

negative values of pixels in aimage
hi.. Can a image contain negative value of pixels ? what does negative value of pixels in a image mean?

12 years 前 | 1 个回答 | 0

1

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提问

Making some intensity values of image to zero
hi.. How to zero the unwanted pixel intensity values of a image to zero.

12 years 前 | 2 个回答 | 1

2

个回答

提问

Nyquist frequency from image
Hi.. Is it possible to calculate nyquist frequency or the sampling frequency from image.

12 years 前 | 1 个回答 | 0

1

个回答

提问

The filename specified was not found in the MATLAB path
Hi... Can someone suggest something about this error.Even I'm using the correct path I'm getting this error ??? Error using ==...

12 years 前 | 1 个回答 | 0

1

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mmread and aviread don't work
check this one http://www.mathworks.in/support/solutions/en/data/1-186ZX/index.html?solution=1-186ZX and install the required...

13 years 前 | 0

提问

distance between each pixel in a line to the corresponding pixel in another line in a image
My original image is containing a curved line as shown here <http://imageshack.us/f/406/90144916.jpg/> overdrawing a straight...

13 years 前 | 2 个回答 | 0

2

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提问

what is Frequency in a image
Applying fourier transform to a image will convert it into frequency domain and the complex values are obtained. Can anyone exp...

13 years 前 | 3 个回答 | 0

3

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Problem in EDGE dectection because of similar intensity at a point
Im interested to find the edge of the sheet as shown inside the red mark here http://tinypic.com/view.php?pic=2qntaip&s=7 ...

13 years 前 | 0