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doc.madani
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hello i was wondering the physics that goes into transmitting waves such as: reflection etc.. To achieve a GPS signal, as well as the process of achieving it.
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NoobixCube said:
doc.madani said:would wiki be a reliable source?
Very very relevant, it is what GPS is based amount, a very accurate measurement of timedoc.madani said:umm in regards to the cesium clock,,.. would it be relevant information to put in my assignment in context to GPS (Physics based).
doc.madani said:could you tell me the physics behind GPS signals being transmitted and received.
and also what are the energy transfers and transformations that occur in using GPS technology.
GPS uses reflection to determine location by sending out a signal from a satellite. This signal bounces off of objects on the Earth's surface, such as buildings or mountains, and returns to the receiver. By measuring the time it takes for the signal to travel, GPS can calculate the distance between the satellite and the receiver. This information, along with data from other satellites, is used to triangulate the receiver's location.
The accuracy of GPS reflection can be affected by several factors, including atmospheric conditions, the number of satellites in view, and the quality of the receiver. Reflections from tall buildings or other objects can also cause signal interference, leading to less accurate results.
GPS receivers use a technique called spread spectrum to acquire signals from satellites. This involves sending out a signal with a specific code that only the intended satellite will recognize. Once the receiver receives a response from the satellite, it can lock onto the signal and begin calculating the distance and location.
Yes, GPS signals can be blocked or disrupted by physical barriers, such as tall buildings or mountains, as well as atmospheric conditions and interference from other electronic devices. This is why it is important to have a clear view of the sky when using GPS and to ensure that the receiver is in good working condition.
GPS uses a technique called time dilation to correct for timing errors. This is based on the principle of relativity, which states that time moves at different rates depending on the observer's frame of reference. GPS satellites are programmed to adjust their clocks to compensate for the time difference between them and the receiver, ensuring accurate timing for location calculations.