Latest articles - page 3

Spectral What happens if you use the Fourier transform of the autocorrelation of a non-WSS process to compute power spectral density?
What happens if you use the Fourier transform of the autocorrelation of a non-WSS process to compute power spectral density?
What is the relation between autocorrelation and power spectral density?How do you find autocorrelation from power spectral density?How can power spe...
Power Understanding negative power in a time frequency heat plot
Understanding negative power in a time frequency heat plot
Why is 63.2 a time constant?How do you calculate power factor correction?What is the instantaneous power?What is the frequency of power in an AC circ...
Piano Synthesizing piano
Synthesizing piano
Can you synthesize a piano?What is synthesis piano?How does a synthesized piano create sound?Is piano Same as synthesizer? Can you synthesize a pian...
Preamble Why are preambles repeated in communication systems
Why are preambles repeated in communication systems
What is preamble in communication?What is the meaning of the term preamble?How does a device know when a preamble ends?Is preamble a message? What i...
Periodogram What is the meaning of the scaling difference between my DFT magnitude squared plot and my periodogram plot?
What is the meaning of the scaling difference between my DFT magnitude squared plot and my periodogram plot?
What is the difference between periodogram and power spectral density?What's the difference between periodogram and spectrogram?What is the differenc...
Convolutional Chosing the right type of convolution code for a M-QAM transmitter
Chosing the right type of convolution code for a M-QAM transmitter
What is the meaning of 2 1 3 convolutional code?What are the convolution codes?Which method is used most for convolutional decoding?What is the code ...
Z-transform Is the Final value theorem applicable for some non-causal signals?
Is the Final value theorem applicable for some non-causal signals?
What is the final value theorem of Z transfer function?What is the ROC of the Z-transform of the signal?What is Z-transform in signals and systems? ...
Matched How does matched filter output provide sufficient statistic when the channel has ISI + AWGN?
How does matched filter output provide sufficient statistic when the channel has ISI + AWGN?
What are the advantages of matched filter?What determine the impulse response of a filter matched to this signal?On what factor the error probability...
Digital Digital PID controller implementation
Digital PID controller implementation
How the PID controller can be implemented with a digital system?What is digital PID controller?Is PID controller analog or digital? How the PID cont...