passive satellite repeater

简明释义

无源卫星转发器

英英释义

A passive satellite repeater is a type of satellite communication device that receives signals from one location and retransmits them to another without amplifying or modifying the signal.

被动卫星转发器是一种卫星通信设备,它从一个位置接收信号,然后将其重新传输到另一个位置,而不对信号进行放大或修改。

例句

1.Engineers installed a passive satellite repeater to enhance the connectivity of their satellite phone system, or 工程师们安装了一个被动卫星转发器来增强他们的卫星电话系统的连接性。

工程师们安装了一个被动卫星转发器来增强他们的卫星电话系统的连接性。

2.The signal from the ground station was enhanced using a passive satellite repeater, which is known as a 被动卫星转发器.

地面站的信号通过使用被动卫星转发器得到了增强。

3.In remote areas, a passive satellite repeater can help improve communication by reflecting signals back to Earth, or 被动卫星转发器可以通过反射信号回到地球来帮助改善通信。

在偏远地区,被动卫星转发器可以通过反射信号回到地球来帮助改善通信。

4.Television broadcasts are often relayed via a passive satellite repeater to reach wider audiences, or 被动卫星转发器常用于转播电视节目以覆盖更广泛的观众。

电视广播通常通过被动卫星转发器进行中继,以覆盖更广泛的观众。

5.The passive satellite repeater serves as a crucial link in the telecommunications network, or 被动卫星转发器在电信网络中作为关键环节。

被动卫星转发器在电信网络中作为关键环节。

作文

In the modern era of communication, satellite technology plays a crucial role in connecting people across vast distances. One of the essential components of this technology is the passive satellite repeater, which facilitates the transmission of signals without the need for active power sources. In essence, a passive satellite repeater (被动卫星转发器) reflects and amplifies signals received from Earth without altering them, thereby enhancing communication efficiency.The concept of a passive satellite repeater can be understood by examining its function in satellite communication systems. Unlike active repeaters, which require electrical power to process and retransmit signals, passive repeaters rely on the natural properties of the materials used in their construction. These repeaters are typically designed to reflect specific frequencies, making them ideal for applications where signal strength needs to be preserved over long distances.One of the most significant advantages of using a passive satellite repeater is its simplicity. Since it does not require complex electronic systems, it is often more reliable and easier to maintain. This reliability is particularly important in remote areas where traditional communication infrastructure may be lacking. For instance, in regions affected by natural disasters, where conventional communication lines are down, a passive satellite repeater can provide a lifeline by ensuring that emergency services can communicate effectively.Furthermore, the deployment of passive satellite repeaters can significantly reduce operational costs. Because they do not consume power, they can be deployed in locations where providing electricity would be challenging or economically unfeasible. This makes them an attractive option for telecommunications companies looking to expand their reach without incurring substantial infrastructure costs.Another aspect worth mentioning is the environmental impact of passive satellite repeaters. Since they do not require power sources, their carbon footprint is minimal compared to active systems. In an age where climate change is a pressing concern, utilizing technologies that have less environmental impact is increasingly important. The use of passive satellite repeaters aligns with global efforts to create sustainable communication solutions.However, it is essential to recognize that while passive satellite repeaters offer many benefits, they also have limitations. For example, they cannot amplify signals; they can only reflect them. This means that if the incoming signal is weak, the reflected signal will also be weak. Therefore, careful planning and placement of these devices are crucial to ensure effective communication.In conclusion, the passive satellite repeater (被动卫星转发器) is a vital technology that enhances communication capabilities, especially in challenging environments. Its ability to operate without power, coupled with its cost-effectiveness and minimal environmental impact, makes it an attractive option for various applications. As we continue to advance in satellite communication technology, understanding and utilizing passive satellite repeaters will undoubtedly play a significant role in shaping the future of global connectivity.

相关单词

passive

passive详解:怎么读、什么意思、用法

satellite

satellite详解:怎么读、什么意思、用法

repeater

repeater详解:怎么读、什么意思、用法