Howtosignalprocessing
Rolando Purdy, articles - page 6
Pulse shaping concept
In electronics and telecommunications, pulse shaping is the process of changing the waveform of transmitted pulses to optimize the signal for its inte...
A check on the definition of the continuous periodogram, and does it assume ergodicity somewhere?
How do you explain a periodogram?What is periodogram in signal processing?What is a periodogram astronomy? How do you explain a periodogram?A period...
Characterizing an unknown LTI system
How is an LTI system characterized?Which signal is used to find the response of unknown system?How do I know my LTI system?How is an LTI system chara...
What is the DFT of a pure cosine wave cos(θ)
What is DFT of cosine?What is the Fourier transform of cos?What is the formula for DFT in DSP? What is DFT of cosine?The Discrete Fourier Transforms...
Discrete and Continuous Signals
A continuous-time signal has values for all points in time in some (possibly infinite) interval. A discrete time signal has values for only discrete p...
Show Equivalence Between Multiplication in Time Domain to Convolution in Frequency Domain
Why multiplication in time domain is convolution in frequency domain?What is the relation between convolution in time domain and frequency domain?Whi...
What is the formula for the frequency spectrum?
How do you find the frequency spectrum?What is meant by frequency spectrum?What is frequency spectrum in Fourier series?How do you calculate power sp...
Upsampling question- Aliasing/imaging problem
Can upsampling cause aliasing?What is imaging and aliasing?What is the effect of upsampling in the frequency domain?Which performs better downsamplin...
IIR - How the gain is calculated?
How do you calculate the order of an IIR filter?How does an IIR filter work?What is filter gain?What is the order of IIR filter? How do you calculat...