Howtosignalprocessing
Frequencies
Reducing one frequency in song
How do I stop my frequencies from clashing?What is the lowest frequency in a song? How do I stop my frequencies from clashing?Use instrument selecti...
Different way to separate a particular frequency from a signal
How do you separate two signals?What is the process of removing a certain band of frequencies from a signal and permitting others to spread?Can a sig...
How should this fft output be intepreted?
What does the output of an FFT represent?How do you read frequencies in FFT? What does the output of an FFT represent?These frequencies actually rep...
Definition of Ideal Low pass filter (Time Continous)
What is an ideal low-pass filter?What is time constant in low-pass filter?What is the difference between an ideal and a practical low-pass filter?Wha...
How to interpret these FFT results?
What does the FFT tell you?How do you read frequencies in FFT?What's the output of FFT? What does the FFT tell you?The "Fast Fourier Transform" (FFT...
How to add two sine waves with different frequencies
You can't add two sines of different frequencies. This is a fundamental limit which much of math and physics takes advantage of. Its also the basis of...
Flex pager decoder
What are the frequencies for Pocsag?What is flex signal? What are the frequencies for Pocsag?Use of POCSAG on the 26 MHz and 27 MHz band has been lo...
Sine wave mixer
How do you mix sine waves?What are sine waves used for?What happens when you mix two frequencies?Why mixer is used in RF? How do you mix sine waves?...
Frequency mixer
What does a frequency mixer do?What is radio frequency mixer?How do you mix two frequencies?Can you mix frequencies together? What does a frequency ...