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Why Fresnel zone affecting satellite and ground communication?

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15y ago

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What is Fresnel half period zone?

Fresnel's assumed that a wavefront started from a source can be divided in to a large no. of strips or zone called the Fresnel's zone of small area. if the path difference between secondary wavelets reaching a point on screen started from two consecutive zone is N2(or the phase difference is 2nd) then the zones are called Fresnel's half period zone..


What is the standard fresnel zone clearance for a microwave ray beam to clear an obstacle?

60 % frome caculator


The Fresnel zone should not be blocked by more than what percentage to maintain a reliable communicatons link?

40%


What is fresnel zone in telecom?

Frensel Zone: Pronounced "fraynel zone." The pattern of electromagnetic radiation that is created by a transmitting station from its antenna to receiving antennas. It is in the shape of an ellipsoid, or 3D ellipse, which looks like an elongated football.


Which country had tbe buffer zones satellite countries in WWII?

The country that had the buffer zone satellite countries in WWII was Russia.


How is global warming affecting tropical zone?

It is because it is getting hotter.


Why is climate change affecting france?

France has four zones. Each of these zones promotes certain activities. It has humid seaside areas, a semi-continental zone, a intermediate zone, and a northern zone. The south has a more constant temperature than the northern latitudes.


Are the shv 20905 from Tron- the satellite from stay tuned- and the ultimate warp zone alike and how?

They all take you to another place, in Tron the Shiva digitizing laser took Jeff Bridges from the real world to the computer world, the satellite from stay tuned took them into the tv world, and Warp zone moves you from one spot in a game to another.


Disadvantaged of intrapersonal communication?

People lack interpersonal growth and are unable to socialize. They do not explore outside their comfort zone.


When did Alabama go to central time zone?

Alabama has been in the Central Time Zone from 1883 to 1936 and from 1936 to the present.


How accurate is satellite navigation compared to gps?

Satellite Navigation is just as accurate as GPS, having a 1-10 meter buffer zone. Both use a similar system, having satellites in orbit to triangulate a position. Satellite Navigation, better known as GLONASS, is used mostly by the Soviet Union while GPS, is use worldwide and the widest used system.


Half period zone in a plane wave front?

The half period zone is provided by an optical device known as Zone plate,The zone plate is so called because it is constructed following Fresnel zone law.It is simply a plane parallel glass plate having concentric circles of radii accurately proportional to the square roots of the consecutive natural numbers 1,2,3......etc. The even or odd order annular space between the circles are completely dark.