Feeds
提问
Performing Haar Wavelet Transform on signal consists of 1000000X1 matrix array
Greetings, I am required to perform Haar wavelet transform for a signal consists of 1000000x1 matrix array data. I'm having d...
8 years 前 | 0 个回答 | 0
0
个回答提问
Applying Principle Component Analysis (PCA) on human motion signal after undergoes several signal processing.
I have 30 sets of data containing various human motion signals (walking, running, etc). Each data consists of time-domain signal...
9 years 前 | 1 个回答 | 0
1
个回答提问
Finding a maximum signal variation in MATLAB
I have a signal which consist of one 1000000x1 array (data) and one 1000000x1 array (time). I'm having problem to detect the loc...
9 years 前 | 3 个回答 | 1
3
个回答提问
Fast Fourier Transform (FFT) in a certain range of signal
Greetings, I have a signal which consist of one 1000000x1 array (data) and one 1000000x1 array (time) which has been 'cut' and ...
9 years 前 | 1 个回答 | 0
1
个回答提问
How to design a IIR highpass filter?
I'm having trouble to design a 120th order highpass filter with cutoff frequency = 6kHz, and sampling frequency of 20kHz. Thank...
10 years 前 | 1 个回答 | 0
1
个回答提问
How to apply time reversal convolution?
Greetings, I have an impulse response of Hn = [4 2 1 0.5] and input signal of Xn = [2 1 -1 -2 3]. I would like to apply time ...
10 years 前 | 1 个回答 | 0
1
个回答提问
Reflecting impulse response with respect to y-axis
Greetings, I have a discrete-time signal at the +x-axis. I'm having a problem to reflect the signal with respect to the y-axis ...
10 years 前 | 1 个回答 | 0
1
个回答提问
limiting range of row in matrix
I have a set of data consisting of 198x81 sets of score data. I would like to take the data only at 50x81. If I type score(:,1...
10 years 前 | 1 个回答 | 0
1
个回答提问
How to find variance of different score group
I have four different score groups to be analysed and I am required to find the variance of each group. I need to know what func...
11 years 前 | 1 个回答 | 0