点击 最 下方 "在看"和" "并分享，"关注"材料汇 添加 小编微信 ，遇见 志同道合 的你 正文 Part 研究背景与意义 01 ● 公众号·材料汇 1 5G通信技术的特点 Non-ionising radiation'- 2.4GHZ VS. 5GHZ 波长 700 MHz 2.6 3.4 - 3.8 2.4 5G 扩展频 0 随着信息技术的发展,实时传输的数据 量日益增加，低频通信无法满足海量数 据实时传输。提高信号传输容量和速率 最有效的方式是使用高频电磁波。 C—信号传输速率 香农定理: B—信道带宽，与频率正相关 C = B ×log2 S/N S/N—信噪比 2 公众号·材料汇 5G通信技术的特点 大数据容量 5G 日2 智慧城市 智能驾驶 低时延 特 点 高传输速率 虚拟增强现实 远程医疗 ·公众号·材料汇 1 高频通信对电路基材的要求- 低介申 通信技术和通信设备的发展对设 备电路基材提出了更高的要求 信号传输损耗与 信号传输延时与 介电性能的关系 介电常数的关系 Tax - Dk L = K × (f/C) × Df × VDk 5G通信是依靠器件实现无线电磁波 L 传输损耗; K 常数 ...

Core Insights - The article highlights the transformative impact of 5G infrastructure on rural development and economic activities in the Bayannur region, particularly in the Urat Rear Banner, where improved communication has revitalized local industries and attracted young people back to their hometowns [1][2][3]. Group 1: Communication Infrastructure Development - The introduction of 5G technology has bridged the communication gap in remote areas, enabling local businesses, such as restaurants, to thrive through online sales and live streaming [1][2]. - The deployment of advanced communication technologies, including 900M 4G macro stations and 700M 5G ultra-long dual-band, has significantly improved network connectivity for tourism in the Baorihantu area, facilitating a surge in self-driving tourism [2][3]. Group 2: Agricultural and Ecological Advancements - The He Tao irrigation area, one of Asia's largest self-flow irrigation systems, has undergone a technological transformation with the implementation of a "smart irrigation" project, utilizing 5G communication for real-time monitoring and management of water resources [4][5]. - The integration of over 1,000 data collection points for water levels, flow rates, and weather conditions has enhanced the efficiency and accuracy of water management, promoting sustainable agricultural practices [5]. Group 3: Environmental Monitoring and Management - The establishment of a smart network in the Xinhua Forestry Farm has improved fire monitoring capabilities, allowing for real-time surveillance and rapid response to potential fire hazards [6][7]. - The combination of traditional patrol methods with advanced monitoring technology has significantly increased the efficiency of forest management [7]. Group 4: Data Center and Computing Power - The Hohhot Data Center, operated by China Mobile, serves as a critical hub for advanced computing power, supporting the "East Data West Computing" initiative and providing essential services for various regions [8]. - The data center's capabilities include high-performance computing and AI services, catering to diverse market needs, including entertainment and smart home applications [8]. Group 5: Economic Revitalization - The advancements in communication and technology have led to a resurgence in local economies, with traditional products gaining national popularity and the agricultural sector benefiting from modernized practices [9].

Core Viewpoint - The recent statement by U.S. Secretary of State Rubio highlights the limited influence the U.S. has over China's internal affairs, acknowledging the failure of past U.S. interference policies towards China [1][4]. Group 1: U.S.-China Relations - Rubio's comments reflect a recognition of the ineffectiveness of U.S. attempts to influence China's development through various means, including political criticism, trade wars, and cultural interventions [1][3]. - The trade war initiated during Trump's administration serves as a prime example of U.S. failure, as it quickly led to negotiations rather than the intended concessions from China [3][6]. - U.S. technology restrictions aimed at hindering China's tech development have not deterred Chinese companies, which have instead increased their investment in R&D and achieved significant advancements [3][6]. Group 2: Domestic Political Reactions - Rubio's statement has sparked significant backlash within U.S. domestic politics, particularly from Democrats who question his capabilities as Secretary of State [4][6]. - The division between the two major political parties in the U.S. regarding China policy reveals a lack of coherent strategy in addressing China's growing influence [6][9]. Group 3: Economic Context - China's robust domestic market and manufacturing capabilities position it as a critical player in global supply chains, contrasting with the U.S. challenges of industrial hollowing and debt crises [9]. - The U.S. is urged to abandon its confrontational economic policies towards China, as continued opposition may harm its own economic interests [9].