Howtosignalprocessing
Alexander Ratke, articles - page 12
Early - late gate spread spectrum
What are the different spread spectrum techniques?What is spread spectrum transmission?What spread spectrum technology is used for mobile cellular co...
What is importance of the conjugate reciprocal and none reciprocal zeros in FIR Type 2 Filters?
What is conjugate reciprocal?Why is linear phase important in FIR filter?Why is FIR filter always stable?Which among the following is an advantage of...
Remove brighter regions in an image on frequency domain
How do you enhance the quality of images in frequency domain?How image can be smooth using frequency domain filters?What is filtering in frequency do...
Constraints for Type 3 Linear Phase Filter
What are the conditions for linear phase FIR filter?Which type of filters can produce linear phases?What is linear phase in filters?Why IIR digital f...
Non radix-2 FFT hardware implementation zero-padding vs custom algorithms
What is the advantage of Radix 2 FFT algorithm in comparison with the classical DFT method?What is the use of zero padding in FFT?Why is it necessary...
The sound of modulated audio signal
What is modulated sound?How are audio signals modulated?What does amplitude modulation sound like?What happens when a signal is modulated? What is m...
Where is the matched filter being used exactly in Rx PHY?
Where is matched filter used?Why matched filter receiver is used?What is matched filtering in gravitational waves?What is the impulse response of a m...
Problem Involving Aliasing and Critical Fusion Frequency Concepts
What is the critical fusion frequency?What is the CFF for humans?What is animal CFF?What is a critical flicker test? What is the critical fusion fre...
Downsample resample vs antialias fitlering + decimation
What is the difference between decimation and downsampling?What is the need for anti-aliasing filter prior to downsampling?Does downsampling cause al...