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sp question
The FFT ia a FAST ALGORITHM to compute DFT. Rather than compute an N point DFT, where N is a composite number, FFT computes several smaller DFTs and combines the result in a smart manner. This is due to the fact that N can be decomposed as N= N1 N2 ... Nm
define delta difference
The delta function is a DISTRIBUTION. This means that many functions like sinc , tri etc can be thought to be delta functions in the limit. The delta function is defined as any function that satisfies the following properties
\int_{-\infty}^\int{infty} \delta t dt = 1...
Re: software defined radio
SDR is a concept. It imply that the entire transceiver functionality can be integrated as a software model ad ported onto the desired platform. This means if we have a sufficiently powerful PC, it will be possible to implement any software standard on the same.
Re: Convolution
Convolution is the operation / transformation that governs the i/p - o/p relationship in a LTI system.
Correlation is a statistical measure of how similar two waveforms or random processes are.
In the case of a matched filter, correlation and convolution becomes the same.
The stabilty of your feedback system depends on the phase and gain margin. The analysis fof the same can be done byusing Bode plots or Root Locus plots.
Start with going through popular magazines.
you will need a bit back ground in math and physics.
Basic Electronics by Grob is a good book to start the fundamendals
decoupling and cap
If you use a electrolytic capacitor, one will be quite enough, but the size will go up. so if yu are using ceramic capacitor, use more of them
difference between a crystal and oscillator
An oscillator is any circuit that produces a stable waveform. there are several types, RC,LC, XTL etc. a XTL crystal on the other hand is a piezo ceramic material component that can help in design of an oscillator. In a computer for example, the...
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