emitting antenna

简明释义

发射天线

英英释义

例句

1.The satellite uses an emitting antenna to transmit signals back to Earth.

卫星使用一个发射天线将信号传回地球。

2.Engineers designed a new emitting antenna that improves signal range.

工程师设计了一种新的发射天线，提高了信号范围。

3.The emitting antenna must be calibrated for optimal performance.

为了获得最佳性能，发射天线必须进行校准。

4.An emitting antenna is crucial for maintaining communication in remote areas.

在偏远地区，发射天线对于维持通信至关重要。

5.In cellular networks, the emitting antenna helps connect users to the network.

在蜂窝网络中，发射天线帮助用户连接到网络。

作文

In the realm of telecommunications and broadcasting, the concept of an emitting antenna plays a pivotal role in the transmission of signals. An emitting antenna is a device that converts electrical energy into electromagnetic waves, allowing information to travel over vast distances. This technology is not only fundamental for radio and television broadcasts but also crucial for mobile communications and satellite transmissions. Understanding the function and importance of emitting antennas can provide insights into how modern communication systems operate.The basic principle behind an emitting antenna lies in its ability to radiate energy. When an alternating current passes through the antenna, it creates oscillating electric and magnetic fields around it. These fields propagate outward in the form of electromagnetic waves. The design and orientation of the emitting antenna greatly influence the strength and direction of the emitted signals. For instance, a directional antenna focuses the energy in a specific direction, which enhances the signal strength in that area, while an omnidirectional antenna distributes the signal evenly in all directions.The significance of emitting antennas extends beyond mere signal transmission. They are integral to various applications, including cellular networks, Wi-Fi, and GPS systems. In cellular networks, for example, numerous emitting antennas are strategically placed to ensure comprehensive coverage, allowing users to make calls and access data seamlessly. Similarly, Wi-Fi routers utilize emitting antennas to provide wireless internet access, enabling connectivity in homes and businesses.Moreover, the evolution of emitting antennas has been remarkable. With advancements in technology, we have seen the development of more efficient and compact designs. Modern antennas can be integrated into devices such as smartphones, tablets, and laptops, making them more user-friendly and versatile. The rise of 5G technology further emphasizes the importance of emitting antennas, as they are essential for achieving higher data speeds and lower latency in communication.In addition to their technical aspects, emitting antennas also raise important considerations regarding safety and regulation. Since these antennas emit electromagnetic radiation, there are guidelines in place to ensure that they operate within safe limits to protect public health. Regulatory bodies monitor the placement and output of emitting antennas to minimize potential risks associated with exposure to electromagnetic fields.In conclusion, the emitting antenna is a fundamental component of modern communication systems. Its ability to convert electrical energy into electromagnetic waves enables the transmission of information across great distances. As technology continues to advance, the design and functionality of emitting antennas will evolve, further enhancing our ability to communicate effectively. Understanding the principles behind emitting antennas not only highlights their importance in our daily lives but also underscores the ongoing innovations in the field of telecommunications.

在电信和广播领域，发射天线的概念在信号传输中发挥着关键作用。发射天线是一种将电能转换为电磁波的设备，使信息能够在广阔的距离上传播。这项技术不仅是广播和电视节目的基础，而且对移动通信和卫星传输至关重要。理解发射天线的功能和重要性，可以深入了解现代通信系统的运作。发射天线的基本原理在于其辐射能量的能力。当交流电流通过天线时，会在其周围产生振荡的电场和磁场。这些场以电磁波的形式向外传播。发射天线的设计和方向极大地影响了发射信号的强度和方向。例如，定向天线将能量集中在特定方向，从而增强该区域的信号强度，而全向天线则均匀地分配信号，覆盖所有方向。发射天线的重要性不仅仅体现在信号传输上。它们在各种应用中都是不可或缺的，包括蜂窝网络、Wi-Fi和GPS系统。例如，在蜂窝网络中，许多发射天线被战略性地放置，以确保全面覆盖，使用户能够无缝拨打电话和访问数据。同样，Wi-Fi路由器利用发射天线提供无线互联网接入，使家庭和企业能够连接。此外，发射天线的演变也非常显著。随着技术的进步，我们看到更高效和紧凑的设计的发展。现代天线可以集成到智能手机、平板电脑和笔记本电脑等设备中，使其更加用户友好和多功能。5G技术的兴起进一步强调了发射天线的重要性，因为它们对于实现更高的数据速度和更低的通信延迟至关重要。除了技术方面，发射天线还引发了有关安全性和监管的重要考虑。由于这些天线会发射电磁辐射，因此有相关指南确保它们在安全范围内操作，以保护公众健康。监管机构监测发射天线的放置和输出，以最小化与电磁场暴露相关的潜在风险。总之，发射天线是现代通信系统的基本组成部分。它将电能转换为电磁波的能力使得信息能够跨越巨大距离进行传输。随着技术的不断进步，发射天线的设计和功能将不断演变，进一步增强我们有效沟通的能力。理解发射天线背后的原理不仅突显了它们在我们日常生活中的重要性，也强调了电信领域的持续创新。