active antenna

简明释义

发射天线

英英释义

例句

1.The new satellite communication system utilizes an active antenna to enhance signal reception.

新的卫星通信系统利用了一个主动天线来增强信号接收。

2.An active antenna is essential for maintaining a stable internet connection in remote locations.

在偏远地区，主动天线对于维持稳定的互联网连接至关重要。

3.The active antenna installed on the roof helps in broadcasting local radio stations more effectively.

安装在屋顶上的主动天线有助于更有效地广播本地电台。

4.Engineers recommend an active antenna for applications requiring long-range communication.

工程师推荐使用主动天线用于需要长距离通信的应用。

5.In urban areas, using an active antenna can significantly improve the quality of mobile phone signals.

在城市地区，使用主动天线可以显著提高手机信号的质量。

作文

In today's rapidly advancing technological landscape, communication systems have undergone significant transformations. One of the key components that has contributed to this evolution is the active antenna. An active antenna (主动天线) is a type of antenna that incorporates an amplifier within its structure, enhancing the signal it receives or transmits. This innovation has proved crucial in improving the performance of various communication devices, including smartphones, satellite systems, and wireless networks.The primary advantage of an active antenna (主动天线) lies in its ability to amplify weak signals before they are processed by the receiver. Traditional passive antennas can only capture signals without any enhancement, which can lead to poor quality reception, especially in areas with weak signal strength. In contrast, an active antenna (主动天线) boosts these signals, allowing for clearer communication and more reliable data transmission.Furthermore, the integration of amplifiers into antennas helps reduce the overall size and complexity of communication systems. By utilizing an active antenna (主动天线), engineers can design smaller devices that do not compromise on performance. This is particularly important in the development of mobile technology, where size and weight are critical factors. For instance, modern smartphones rely heavily on active antennas (主动天线) to maintain connectivity while being sleek and portable.Another significant benefit of active antennas (主动天线) is their ability to work efficiently across a wide range of frequencies. This versatility makes them suitable for various applications, from television broadcasting to cellular networks. As the demand for high-speed internet and seamless connectivity continues to grow, the role of active antennas (主动天线) becomes increasingly vital in supporting these technologies.Moreover, the deployment of active antennas (主动天线) can lead to improved network coverage and capacity. By strategically placing these antennas in urban environments, service providers can enhance the quality of service offered to users. The amplification capabilities of active antennas (主动天线) enable them to reach further distances, thus extending the coverage area and reducing dead zones where signal strength is inadequate.Despite their advantages, active antennas (主动天线) also present some challenges. The inclusion of amplifiers requires additional power, which can lead to increased energy consumption. This is a crucial consideration, especially in battery-operated devices where efficiency is paramount. Engineers must find a balance between performance and power usage to ensure that active antennas (主动天线) remain viable in various applications.In conclusion, the advent of the active antenna (主动天线) has revolutionized communication systems, providing enhanced signal strength, reduced size, and improved versatility. As technology continues to evolve, the importance of active antennas (主动天线) will only grow, paving the way for more efficient and effective communication solutions. Their ability to adapt to various frequencies and improve network coverage makes them indispensable in our increasingly connected world.