Howtosignalprocessing
Toby Deckow Sr., articles
Why does OFDM need cyclic prefix?
Cyclic prefix is inserted to avoid intersymbol interference due to the multipath channel. In practice, CP-OFDM modulator is implemented via the comput...
Power/Energy from Continuous Wavelet Transform
What does a continuous wavelet transform do?What is the difference between CWT and DWT?What is wavelet power?What is the output of wavelet transform?...
Is there astandardor commonly accepted reference for the phase of the most usual signals?
What is the most common form of signal processing?What is the phase of the signal?What is the most common distinction of signal types?Which signal is...
What are the purposes of color extraction using k-means clustering?
Why do we use k-means clustering for color quantization?Why k-means is used for image segmentation?What is the major objective of k-means clustering?...
Transforming $G(z) = z-1$ to time-domain
What will Z-transform convert time domain signal into?How do you convert Z-transform to Laplace transform?How do I convert from S domain to Z domain?...
What is the definition of an incrementally linear system?
Definition of incrementally linear system -> a system that has a linear response to changes in the input, i.e., the difference in the outputs is a ...
Question about the definition of wavelet
What can wavelet be used for?Why is wavelet analysis effective?How many types of wavelets exist?How do wavelets differ from waves? What can wavelet ...
Selective Discrete Time Derivative Filter
What is a discrete time filter?What is a filtered derivative? What is a discrete time filter?A discrete-time filter is a discrete-time system which ...
Why do my set of IR LEDS yield a purple-ish images on one camera sensor and greyscale on another?
Why does infrared light look purple on camera?Is Infrared Light purple? Why does infrared light look purple on camera?Because IR and RGB sensors are...