선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
제안 방법
- Because of the low received power of the GPS signals, outages can easily occur due to unintentional interference, and the potential exists to deny access to the GPS signals using easily obtainable RF hardware. As a developing results, we presents the test result by using the module processing of the anti-jamming function at RF level. The test environment for anti-jamming module described in Fig.
- Global Positioning System (GPS) is a satellite-based navigation system. It is based on the computation of range from the receiver to multiple satellites by multiplying the time delay that a GPS signal needs to travel from the satellites to the receiver by velocity of light. GPS has already been used widely both in civilian and military community for positioning, navigation, timing and other position related applications[2][3].
- The mission of signal acquisition is to seek the visible satellite and determine the coarse values of carrier frequency and code phase about visible satellites. Code phase is the time alignment between the PRN code of incoming signal and a locally generated PRN code which generate by using time information transmitted from atomic clock unit[10].
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