Howtosignalprocessing
- What is the effect of adding more harmonics to the sum of sinusoids?
- When two sinusoidal signals are added then the result is?
- What is the difference between pulse and square wave?
What is the effect of adding more harmonics to the sum of sinusoids?
As you add sinusoids waves of increasingly higher frequency, the approximation gets better and better. The addition of higher frequencies better approximates the rapid changes, or details, (i.e., the discontinuity) of the original function (in this case, the square wave).
When two sinusoidal signals are added then the result is?
When two sinusoids of different frequencies are added together the result is another sinusoid modulated by a sinusoid.
What is the difference between pulse and square wave?
A pulse wave is an ALTERNATING CURRENT signal, whose WAVEFORM contains both positive and negative sections. The ratio of the 'on' to 'off' times of the waveform is called the duty cycle. The pulse wave may be distinguished from the SQUARE WAVE in that the latter has a duty cycle of 1:1.
