In modern electronic devices such as smartphones, Wi-Fi routers, and satellite navigation systems, there is an invisible “messenger” at work—Radio Frequency (RF) communication technology. This wireless transmission method, which uses electromagnetic waves to carry information, is quietly transforming our daily lives.  The Fundamentals of RF CommunicationRadio Frequency refers to electromagne……

In today’s connected vehicles, navigation systems do far more than provide turn-by-turn directions. They are tightly integrated with advanced driver-assistance systems (ADAS), vehicle-to-everything (V2X) communication, and smart mobility platforms. At the heart of these capabilities are precise and reliable RF signals—received from satellites and transmitted between modules within the vehicle. Key……

Against the backdrop of the rapid development of the global low-altitude economy, the civilian unmanned aerial vehicle (UAV) industry is facing a historic development opportunity. This trend indicates that the application of UAV technology will expand comprehensively from a single consumer field to diversified and large-scale commercial applications. The relationship between civilian UAV systems a……