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What is the difference between Random Signal and Random Process?
A random process does not necessarily imply and ensemble of random signals. Is this correct?
M
I have a three parameter \[\underline{\theta} = [A,B]^T\] signal model. I have expression for CRLB of each parameter. But I want to find the CRLB of another parameter which is expressed as a function of two parameters \[\alpha = g(A,B)[/tex:55b1128c8a]. How do I relate the CRLB of parameters...
chirp signal
I am trying to emulate the output from a Gammatone filter for a hyperbolic chirp as input. The matlab script is shown below.
I have generated a hyperbolic chirp with frequency sweeping from 100kHz to 20kHz in 1ms. And the Gamma tone filter has center frequency of 50kHz and...
impuse response
I have a filter whose impulse response is known to me h(t). I want to find its frequency response H(f) using FFT in Matlab. How long of h(t) should I use to compute FFT to find H(f)?
M
how to find angles in sinusoids
Dora,
No it was not a quiz. At the time I posted the question, I was confused about it and hence was a 'question' for me. But after your first reply, I just realized the answer myself and hence explained it.
M
sinusoid initial phase
That I got that part, -pi is included but pi isn't. I think i understand the reason for excluding pi.
Considering the general form [tex:3cf6c997bb]sin(\omega t + \phi)\]. When\[ \phi = -\pi\] our signal is \[sin(\omega t -\pi)\] and when\[ \phi = \pi\], the signal...
sinusoidal phase angle
This link has a discussion on 'sinusoids.
https://ccrma.stanford.edu/~jos/mdft/Sinusoids.html
Midway thru the discussion, it states,
.
Why does it say \[\phi \in [-\pi,\pi)\] and not \[\phi \in [-\pi,\pi]\] ?
M
I am trying to analyze the variability of detection time by a threshold detector for input signal perturbed by a White Gaussian Noise(w[n]) N(0,sig^2).
My input to the detector is a ramp-signal x[n] with added WGN w[n]. The input signal is supposed to have a fixed SNR.
Now, I decide to use...
gaussian noise power
I have samples for white gaussian noise(WGN) w[n] for n = 1:N. The power of this WGN is \[\frac{1}{N} \sum_{l = 1}^{N} w^2[n]\] . I can use this to calculate for given intervals with Matlab but I want to find an analytic expression for this? How do I proceed? Should I be...
I have a rectangular waveguide with the dimensions and alignment shown below in the figure. At z = 0 there is an obstacle in the form of an infinitesimally thin perfectly conducting plate placed as shown in the figure. A TE10 mode wave traveling along +z direction is incident upon the...
cut off frequency rectangular waveguide
I have a rectangular waveguide with dimensions a = 2.5cms and b = 0.5 cms. I calculated the cutoff frequencies for TE modes as
TE10 fc = 6 GHz
TE01 fc = 29 GHz
TE11 fc = 30 Ghz
Now as I understand, any input signal with frequency less than 6GHz...
hw-retifier
I am modeling the audiotary system of mammals. In the model I have a half wave rectifier block. I need to develop frequency response of the rectification action. How do I go about that? Can any one give me a lead?
I tried to compare the Fourier Series coefficients of input and...
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