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Trying to find exact frequency of signal Hello fellow Matlab users, I am trying to find the exact frequency of an input signal (by spectral analysis). The measured portion of the signal is quite short in the sense that only samples which represent a few signal cycles are available. So I get a coarse frequency step from the fft() result. In order to get a h... 1 Apr 2010 19:07
how to draw an arc between two points given centre and radius how to draw an arc between two points given centre and radius on matlab ... 30 Mar 2010 21:50
rotation about the x-axis where z and x are vectors of values and theta is in radians: I am trying to mesh z vs. x rotated around the x axis but I cannot seem to get it to work. So far I have: y = r.*cos(theta); z = r.*sin(theta); [yy,zz] = meshgrid(y,z); xx = zz.^2 + yy.^2; mesh(xx,yy,zz) If I specify a radius it will give me a gr... 30 Mar 2010 14:59
Symbolic Substitution in While Loop - What am I missing? Hi there, I am having an issue with my while loop. I have a symbolic equation that gets values further down the program, but after the first iteration of the while loop, it seems to reset to the symbolic values instead of holding the numerical values. My code is below. I am used to C style programming and am having... 30 Mar 2010 19:31
Unibrain video driver ActiveX SDK Has anyone had luck using the Unibrain ActiveX SDK with Matlab/GUIDE? Right now, they provide the only video driver that works with the Sony XCD-V60CR camera and windows 7 64-bit. Imaqtool works but doesn't expose any camera controls. I have successfully created a server object using their documentation. Howe... 30 Mar 2010 14:59
how to Binarize an image... can anybody help me that how to binarize an image... any code for binarize an image or formula for binarization... in my eye detection project i m using an reasearch paper titele is: "A new eye location method based on Ring Gabor Filter". plz help me as soon as possible... thanks in advanced... ... 30 Mar 2010 14:58
Histogram Hi! I need to create histogram from these data: matrix with 100 rows and 2 columns. In the first column there are values -100:99, in the second column there are frequency of these values. I need histogram with -100:99 on x axis and frequency in bins. Example of matrix: index 1st_column 2_column 1 -100 0 2 -99 ... 30 Mar 2010 13:51
moment invariants hello friends, please help me in finding the various statisical and moment invariants for a gray level image. with regards Sushma. ... 30 Mar 2010 17:14
Opposite of polyval Usually one calculates a polynomial using "polyfit" and then evaluates the polynomial at a certain position x using "polyval". How do I do it the other way round? If I have the polynomial coefficients and a certain value but want to know the position x? From a mathematical point of view, I would say there might b... 30 Mar 2010 13:51
CRC, add 16 parity bits in MATLAB Hello, Please help me... I need to add 16 parity bits in matlab to a binary message, in order to form an error detection code C, transmit the message through the AWGN and after check the syndrome of code C. Can you please help me? Here is the code that I am using: clear N = 100; %number of bits trellis=poly... 30 Mar 2010 12:44 |