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What is isotropic propagation?
Isotropic propagation refers to transmission when the electromagnetic radiation radiate uniformly in all direction in the shape of "sphere" (assuming free-space physical model). Such radio propagation is also known as "omni-directional".
What is cell sectoring?
In cellular telephone system, co-channel interference can be decreased by replacing a single omni directional antenna with several directional antennas, each radiating within a smaller area.In sectoring,we keep unchanged cell radius & seek methods to decrease D/R ratio.By D/R ratio,SIR increase so we use directional antennas.remember D/R is co-channel reuse ratio & SIR is signal to interference ratio
What is a directional compass?
a compass is a directional object made by the magnetic forces of the earth
What are the three patterns of of natural selection?
directional selection,stabilizing selection, anddisruptiveselection
What is bi-directional replication of DNA?
Bi-directional replication of DNA means that the DNA is being replicated in two directions.
Advantages of omni directional antenna?
can transmit in all directions with a donut shaped radiation pattern.
What are the disadvantages of omni directional wheel?
diameter is high
What is the directional properties of antenna?
omni-directional is the opposite of directional. A directional antenna receives or sends more signal from or to the front than the sides or back.
What is the difference between omni directional and directional antennas?
An omni directional antenne receives or transmits signals from all directions as in 360 degrees. A directional antenne is aimed in a specific direction so that it may direct an outgoing signal to or receive a signal from a specific source.
What is omni- directional diplomacy?
i think it had something to do with japan tjo
What type of antenna using in mobil bug?
omni directional antennas
Are 3D sound cards bidirectional?
No. 3D soundcards are omni directional
What is the difference between Omni-directional and Unidirectional Microphones?
Omni-directional microphones are meant to pick up sound from any direction at any time. Unidirectional microphones pick up sound from only one direction.
Are wireless routers directional?
AFAIK routers are omni-directional. Though these days its not uncommon to buy routers with detachable ariels. So it wouldn't be a big deal to hook up a cantenna.
How does the Vor work for us to find the direction?
Vor is an abbreviated form of VHF Omni-directional Range and is a kind of radio navigation system for aircraft that emanates two types of signals - one directional and the other a 360 degree radial omni-directional. The Phase comparison gives what radial you are on by the position of the needle while DME determines the distance based on timing. It kind of works like a GPS.
Can you use a TV antenna for a remote control helicopter antenna?
If the TV antenna was built for the correct frequency, it would work but my second thought is do you want the antenna to send a directional signal? I would think a "omni" signal (all direction pattern) would be a better choice. Most TV antennas are directional.
Why have two antennae on a wireless router?
It increases signal strength and range in all directions while using omni-directional antennas.
