Elbert Ledner PhD, articles - page 7

How come FFT window give half size frequency bands when filter can seems to have an infinite precision?
What is the effect of windowing on FFT?What is window size for FFT?How can I improve my FFT frequency resolution?How does FFT filtering work? What i...
When deriving the power spectral density of stochastic processes, why does taking an expectation allow the $T\rightarrow\infty$ limit to be taken?
What is the purpose of power spectral density?What is the relation between the power spectral density and the autocorrelation function?What is power ...
Single pole IIR filter, fixed point design
What is fixed point filter?Why are IIR filters not stable?What is the advantage of designing IIR filters using pole zero plots? What is fixed point ...
Convolution of two rectangular pulses intuition
What is the convolution of 2 rectangular pulses?When a rectangular pulse is convolved with itself the result is?Which type of figure is obtained on c...
Confusing regarding triangular wave vs square wave?
What is the difference between square wave and triangular wave?How do you distinguish a triangle wave?Why is a square wave discontinuous?How integrat...
The use of FDM for a single message signal
Why do we use FDM in communication?How does FDM combine multiple signals to one?Where do we use FDM?Can FDM send digital signal? Why do we use FDM i...
Understanding the Difference Between MAP Estimation and ML Estimation
What is the difference between MAP and ML?Why is MAP estimation more acceptable than ML estimation?What is the difference between MAP hypothesis and ...
Detection Bandwidth for Noise Power Calculation
How do you calculate noise power bandwidth?What is the bandwidth in the noise power?How do you calculate noise power?How do you calculate noise power...
Is it true that each and every signal has multiple frequency components?
Essentially, yes. Although, depending on the analysis, there can be cases, where there won't be any additional components visible, although this is so...