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HI....
Laplace transform is a convenient way to solve a differential equation(s) only when they satisfy dirichlet's conditions....
Wherever they dont, alternative methods like numerical solutions are taken recourse to..!!
Hope this helps..:idea:
-Sai
Hi All...
A project needs a "hand-held blutooth detection device" designed which should be capable of detecting 20-30 bluetooth devices, for example, in a room with students taking an exam on their laptops.... etc..
I am trying to google around but no luck so far....:cry:
This need to be...
Re: Fourier
Hi Friend,
I agree with laktronics, in a sense that a step function indicates a sudden "step" increase. Now, suppose this step were sent through an Inductor/Capacitor the o/p fuction will not change instantaneously... but, rather "sluggisly". Fourier Transform components (ie...
Dear Friends,
Firstly, I would say...
Is mean it (the Amplifier) should use only a small part of the Energy of the signal it needs to amplify. (If the Amplifier doesen't have its' own (dc) biasing it will end-up "consuming" the very signal that it had to amplify...!!).
Coming to Fvm's part...
homemade current sensor using ferrite core
Dear Aggiemundo,
Lot about your problem is already been said, what i would like to add is did you check with the specs of your diode that you are using? Imean the power ratings and the threshold voltage? A half wave rectifier is able to Rectify only...
Hi Friend,
Feedback is the basic difference between an amplifier and an oscillator. An amplifier employs what is called "-ve" or Degenerative feedback, where as an Oscillator employs "+ve" or Regerative feed back.
The reason is: - An amplifier is expected to "Amplify" the given input signal...
Dear Subharpe,
Iam sorry, I did not mention that the Rx signal is actually "Bifercated" into two circuits. One circuit extracts doppler information and the other does what I previously mentioned.
The Tx signal is PN encryped. The number of bits to be used for the "full-length" sequence is...
Re: psd
Hi Friend,
The word spectrum means a distribution plot of "intensity" of individul components of the signal in question. This said, a Frequency Spectrum would mean a plot of intensity (or magnitude) of individual components (compare with Fourier Series)versus frequency.
Like wise...
Re: about capacitors
Hi Friends,
Put in one sentence....."In a capacitor voltage leads current by 90deg" and like wise "in an inductor current leads voltage by 90deg".
So these two components are used whenever phase lead-or-lag is neccessary.
Sai
Dear Friend,
Here again, incontinuation to subharpe, I would like to give you example of a practical project that I worked with, for Auto-correlation".
An-board (missile) subsystem which is responsible to trigger off warhead when in proximity to the taget uses "auto-correlation", for certain...
Dear Friend,
To summarise subharpe, the relation of Z-Transform with DFT in discreet domain is much the same as what Laplace is with FT, in continuous time domain.
Sai
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