Howtosignalprocessing
Waves
What is the main difference between the acoustic and electromagnetic waves?
Acoustic waves occur as the propagated mechanical vibration of particles in a medium. They cannot travel in a vacuum. Electromagnetic waves consist of...
How to calculate the similarity of two electric waves
How do you find the superposition of two waves?What is the formula for calculating waves?How do you know if two waves have the same frequency? How d...
Adding two waves with different amplitudes
What occurs when two waves with different amplitudes and the same frequency are in phase?What happens when two waves of different frequencies are add...
Adding two waves with different phases
How do you add two sine waves with different phases?What happens when two waves of different frequencies are added together?When two waves are added ...
Sawtooth vs triangle wave
What is the difference between them? A triangle wave has a symmetrical rise and fall of the waveform, but a sawtooth (also called a ramp oscillator) r...
Why does a wave composed of two waves have an FFT with only one peak?
When two waves having same frequency and same amplitude are superimposed?Does FFT have to be power of 2?What do peaks in FFT mean?What is superpositi...
Standing wave modes
What are modes of a standing wave?What are the two types of standing waves? What are modes of a standing wave?Normal Mode: A mass on a spring has on...
How to block millimeter waves
Can you block electromagnetic waves?Can millimeter waves penetrate walls?Can millimeter waves penetrate skin?How do millimeter waves affect the human...
Millimeter wave frequency range
Millimeter waves are electromagnetic (radio) waves typically defined to lie within the frequency range of 30–300 GHz. Why is 5G called millimeter wave...