隨著全球定位系統的迅速發展與普及，無線定位成為了一個重要的議題，無線定位的可以應用在不同的情境，舉凡緊急救援和智慧運輸系統等皆需可靠的定位系統，然而在定位系統中有一個重要的影響因素，時間同步。時間同步會影響整體定位品質，因此在整體系統當中必須對於時鐘誤差進行監控並給予補償，例如全球定位系統中，存在數個監控站以及主控台，對於衛星的品質進行監控，以確保整體定位之精準度。另外，時鐘同步在自動化工業中同樣扮演重要的角色，自動化工業對於低成本與高效率的需求日益攀升，因此對於時間同步之精度也隨之上升，在自動化工業當中時間同步技術與定位系統不同，使用網路時間協定與精密時間協定等網絡分布式應用。本論文將透過精密時間協定，同步多個時鐘並驗證其效果，並在軟體定義無線電的平台上開發展頻技術，對於時間同步進行驗證。

With the rapid development and popularization of global positioning system, positioning has become an important issue. Positioning system can be applied in different situations, such as rescue and military. In the positioning system, there is an important influencing factor - time synchronization. Time synchronization would affect the positioning quality, so it is necessary to monitor and compensate the clock error by algorithm in a navigation system. Such as the global positioning system, there are a number of monitoring stations monitoring the quality of the satellite and its health to ensure that the accuracy positioning. In addition, clock synchronization also plays an important role in the automation industry. The increasing demand for low-cost and high-efficiency industries is also increasing for the accuracy of time synchronization. In the automation industry, time synchronization technology is different from positioning system. For example, Network time protocol and precision time protocol, mainly for the network distributed application.
This thesis mainly uses the precision time protocol to synchronize several clocks, and applies the spread spectrum technology in software defined radio to verify the precision time protocol.

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