Core Insights - The article highlights the significant advancements and contributions of Liu Jingnan in the field of satellite navigation and positioning technology, particularly focusing on the BeiDou system, which is now recognized as one of the most accurate and multifunctional satellite navigation systems globally [2][4]. Industry Overview - The Chinese satellite navigation and positioning industry is projected to reach a value of 575.8 billion yuan by 2024, with approximately 288 million smartphones supporting BeiDou positioning [1]. - Daily usage of BeiDou positioning services in electronic navigation maps is estimated to reach 600 billion calls [1]. - The BeiDou system has achieved nationwide coverage for high-precision lane-level navigation [1]. Technological Development - Liu Jingnan's research has been pivotal in solving coordinate transformation issues, which are essential for the application of satellite navigation systems [4][5]. - The BeiDou system has transitioned from relying on foreign GPS technology to establishing its own autonomous navigation capabilities, significantly improving positioning accuracy [6][7]. - The introduction of ground-based enhancement systems has enabled centimeter-level positioning services across the country, breaking foreign monopolies in high-precision satellite positioning [8]. Application and Integration - The BeiDou system is increasingly being integrated with emerging technologies such as 5G, big data, and artificial intelligence, leading to the creation of new business models and applications [9]. - Companies like Mengxin Technology are developing high-precision BeiDou positioning chips, which are being utilized in various sectors, including smart driving and smart cities [9]. Future Outlook - Liu Jingnan emphasizes the need for continuous innovation and talent development in the field, aiming to expand the application of BeiDou services into deeper domains such as deep earth, deep sea, and deep space [10].