answersLogoWhite

0


Want this question answered?

Be notified when an answer is posted

Add your answer:

Earn +20 pts
Q: Why circular waveguide is preferrd to rectangular waveguide?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is the dominant mode in rectangular waveguide?

Rectangular Waveguide - TE10; (TM11 in case of TM waves) Circular Waveguide - TE11;


When is it advantageous to use a circular waveguide?

Circular waveguides offer implementation advantages over rectangular waveguide in Calculations for circular waveguide requires the application of Bessel.


What is the difference between rechtangular and circular waveguide?

The shape dictates the frequencies that can propagate. A circular waveguide will have one set of frequencies that can propagate, depending on its diameter and, if different materials are used, the makeup of those materials. A rectangular waveguide will have two sets of frequencies that can propagate (as I remember), each set depending on the dimensions of the rectangle.


What is difference between Rectangular Waveguide and Circular Waveguide?

Rectangular waveguide and circular waveguide are metal hollow structure used to guide EM waves. Depending upon their shapes they are classified as rectangular or circular. They are basically a passive microwave device and acts like a High Pass Filter. Rectangular waveguide : It is the earliest kind of the transmission lines. It supports supports TM and TE modes. It does not support TEM waves because it has only one conductor and cannot define a unique voltage. Conductor is filled with a material that has material with permittivity e and permeability m. Cutoff wavelength equation for is define below. λc = 2/ Here, m= number of half-wave along broad side dimension, N= number of half-wave along the shorter side. Circular Waveguide: It maintains a uniform circular cross section along their length. The cutoff frequency is unique for a specific waveguide mode that is assumed to be propagating in a waveguide of a given diameter and determines the lower frequency of the waveguide’s operating frequency range. The cutoff frequency is calculated using the following formula:


What is circular waveguide?

It is a waveguide that is circular. Circular waveguides have modes that are described in terms of Bessel functions instead of the sines/cosines used for rectangular waveguides. The disadvantage is that the two lowest modes have cutoff frequencies spaced by less than an octave. Circular waveguides are used for rotating joints, for example in radar. The H01 mode in circular waveguide was used as a low-loss mode for transmitting signals over distance, but this technique has been replaced by fibre-optic cables.


What mode is less attenuation in circular waveguide?

TE10


What are electromagnetic waveguides?

A waveguide is a metal tube that is used to carry radio frequency energy from one place to another. It is commonly used in microwave telecommunications and radar. A typical waveguide ifor 10,000 Megahertz is about 1" by 0.5 " rectangular cross-section. There are also circular and eliptical waveguides. The size of the guide depends on the frequency in use. The lower the frequency, the bigger the waveguide. I have seen a waveguide that you could walk around in for 100 Mhz. Once you get past about 1000Mhz, wire transmission lines become very inefficient, and waveguides are better.


What is better circular parachute or rectangular parachute?

a circular


What is the advantages of rectangular section of a beam over the circular section?

none. circular columns are better than rectangular ones.


How many circular bases does a rectangular pyramid a have?

None. It's rectangular.


Why is rectangular seating arrangement are possible?

It does not have to be rectangular. Circular or elliptical ones are common.


How many dose a recteangalar pyrmaid circular bases have?

A rectangular pyramid has no circular bases.