Answered
Transfer function of a filter
Okay. If I do like this,is it possible to multiply this transfer function with the frequency domain of the input signal and do s...

13 years ago | 0

Question

Transfer function of a filter
I want to plot the transfer function of a butterworth filter and the frequency should be in hertz. I tried this code [n wn]=b...

13 years ago | 3 answers | 0

Answered
FFT and sin wave
I got it. Frequency in Hz= k * Sampling frequency (in time domain)/ N Where 'N' is the no of points in the FFT.

13 years ago | 0

Answered
FFT and sin wave
This is okay when the no of points in the fft is same as that of the length of the input signal. When I change the no of points ...

13 years ago | 0

Question

FFT and sin wave
A small doubt in signal processing. When you take fft of a signal -- k=fft(y,512); and plot it, we get 512 points. I want to re...

13 years ago | 3 answers | 0

Question

Speech processing tutorial
I need some tutorial in matlab for speech processing. (Eg: how to get audio file as input and store it in an array and perf...

13 years ago | 1 answer | 0

Question

Speech processing using matlab
How to do speech processing using matlab? For example- Take tomcat apps in iphone and android. If you speak something, it wil...

13 years ago | 3 answers | 0

Question

Best method to detect a particular object in video processing.
I am good at image processing but I don't know anything about video processing. I want to detect a particular object(say a car)...

13 years ago | 2 answers | 0

Question

Training neural networks based on images
I trained neural networks with images as inputs. I was not sure how to do that. I did like this a=imread('A.bmp'); %I hav...

13 years ago | 2 answers | 0

Question

Error in the Character recognition program.
I tried this character recognition matlab file http://www.mathworks.com/matlabcentral/fileexchange/8676 and I got this error ?...

13 years ago | 1 answer | 0

Question

Character recognition
Which is the best method for character recognition? I mean which method would you use for comparison? and it should work perfec...

13 years ago | 2 answers | 0