Fourier series half and full wave rectifiers

In summary, the conversation discusses using a half-wave rectifier to remove negative half-cycles from a sinusoidal waveform and finding the Fourier series representation of the resulting wave. It also mentions using a full-wave rectifier to invert the negative half-cycles and the need to review the math of Fourier analysis to solve for the coefficients.
  • #1
steph_mil
5
0

Homework Statement



(a) The negative half-cycles of a sinusoidal waveform E(t) = E0*cos(omega*t) are removed by a half-
wave rectifier. Find the Fourier series representing the resulting wave in the output.
(b) Find the output produced by a full-wave rectifier, which inverts the negative half-cycles.


Homework Equations



Honestly, I am taking a graduate optics class, but wasn't exposed much to Fourier Series as an undergrad. My textbook gives the general equation for a Fourier series and how to compute the coefficients, but I'm not sure how to use them because there are no examples.

The Attempt at a Solution



Do I solve for the coefficients A and B first by plugging in my equation for E(t) in for f(x)?
 
Physics news on Phys.org
  • #2
steph_mil said:
Do I solve for the coefficients A and B first by plugging in my equation for E(t) in for f(x)?
Um, yes, I think so. Although I'm not sure exactly what A, B, x, and f(x) are. You will just need to review the math of Fourier analysis and use the repetitive half sine function for the time domain input. It should be pretty straight forward after your review.
 

1. What is a Fourier series?

A Fourier series is a mathematical representation of a periodic function as a sum of sinusoidal functions. It is used to analyze and approximate periodic signals in various fields, including physics, engineering, and signal processing.

2. What is a half wave rectifier?

A half wave rectifier is an electronic circuit that converts an alternating current (AC) signal into a pulsating direct current (DC) signal by allowing only half of the AC waveform to pass through. It is the simplest form of rectifier and is commonly used in power supplies and audio circuits.

3. What is a full wave rectifier?

A full wave rectifier is an electronic circuit that converts an AC signal into a smoother DC signal by rectifying both halves of the AC waveform. It is more efficient than a half wave rectifier and is commonly used in power supplies and electronic devices.

4. How do Fourier series and rectifiers relate?

Fourier series can be used to analyze the output signal of a rectifier, as it is a periodic function. The amplitude and frequency of the sinusoidal components in the Fourier series can provide information about the performance and efficiency of the rectifier circuit.

5. What are the applications of Fourier series and rectifiers?

Fourier series and rectifiers have various applications in fields such as electronics, telecommunications, audio and video processing, and power systems. They are used to analyze and design circuits, filter signals, and convert power from AC to DC.

Similar threads

  • Advanced Physics Homework Help
Replies
1
Views
742
  • Calculus and Beyond Homework Help
Replies
3
Views
263
  • Calculus and Beyond Homework Help
Replies
1
Views
193
  • Advanced Physics Homework Help
Replies
3
Views
2K
  • Calculus and Beyond Homework Help
Replies
1
Views
224
  • Calculus and Beyond Homework Help
Replies
1
Views
524
  • Advanced Physics Homework Help
Replies
1
Views
1K
  • Advanced Physics Homework Help
Replies
2
Views
2K
  • MATLAB, Maple, Mathematica, LaTeX
Replies
8
Views
1K
  • Advanced Physics Homework Help
Replies
5
Views
1K
Back
Top