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Signal analysis system which is used to compensate for errors in global positioning system, caused by atmospheric conditions
Signal analysis system which is used to compensate for errors in global positioning system, caused by atmospheric conditions
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机译:信号分析系统,用于补偿由于大气条件引起的全球定位系统中的误差
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摘要
Signals between a GPS satellite (1) in earth orbit (4) and a receiver (3) on the ground, have to pass through the ionosphere (5) and the troposphere (6), The changes in signals caused by disturbances in the atmosphere can cause inaccuracies. The present system uses a rotor to continually move the GPS antenna in a circle. A computer system analyses the differences in signal as the antenna rotates and compensates for errors.
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