Core Insights - The article highlights the significant advancements and contributions of Liu Jingnan in the field of satellite navigation and positioning systems, particularly the BeiDou system, which is now recognized as one of the most accurate and multifunctional satellite navigation systems globally [4][11]. Industry Overview - The satellite navigation and positioning service industry in China is projected to reach a value of 575.8 billion yuan by 2024, with approximately 288 million smartphones supporting BeiDou positioning capabilities [2]. - The daily call volume for BeiDou positioning services in electronic navigation maps is reported to be as high as 600 billion times, indicating the extensive integration of this technology into daily life [2]. Technological Development - Liu Jingnan's research has focused on solving coordinate transformation issues, which are crucial for the effective application of satellite navigation systems. His work has laid a theoretical foundation for the development of Global Navigation Satellite Systems (GNSS) [6][9]. - The BeiDou system has transitioned from relying on foreign GPS technology to establishing an independent and high-precision navigation system, significantly improving positioning accuracy in various applications, including oil exploration [11][12]. Application and Integration - The BeiDou system is being integrated with emerging technologies such as 5G, big data, and artificial intelligence, which is expected to create new business models and enhance its application across various sectors, including smart driving and smart cities [13]. - The establishment of the BeiDou ground-based enhancement system has enabled centimeter-level positioning services across the country, breaking the foreign monopoly in high-precision satellite positioning [11][12]. Future Outlook - Liu Jingnan emphasizes the need for continuous innovation and talent development in the field of satellite navigation, aiming to expand the application of the BeiDou system into deeper domains such as deep earth, deep sea, and deep space [14].