ground receiver

简明释义

地面接收机

英英释义

例句

1.The drone transmitted data to the ground receiver 地面接收器 located at the research facility.

无人机将数据传输到位于研究设施的地面接收器。

2.Engineers tested the signal strength between the satellite and the ground receiver 地面接收器 before launch.

工程师在发射前测试了卫星与地面接收器之间的信号强度。

3.During the mission, the ground receiver 地面接收器 helped track the aircraft's position in real-time.

在任务期间，地面接收器帮助实时跟踪飞机的位置。

4.In agriculture, farmers use a ground receiver 地面接收器 to improve the precision of their GPS-guided equipment.

在农业中，农民使用地面接收器来提高其GPS引导设备的精度。

5.The ground receiver 地面接收器 is crucial for ensuring accurate data collection during experiments.

地面接收器对于确保实验期间准确的数据收集至关重要。

作文

In the field of telecommunications and satellite communications, the term ground receiver refers to a device that receives signals transmitted from a satellite or another aerial source. These devices play a crucial role in ensuring that the information sent from space can be effectively utilized on Earth. The functionality of a ground receiver is pivotal in various applications, including television broadcasting, internet data transmission, and even military communications.The primary purpose of a ground receiver is to capture electromagnetic signals that travel through the atmosphere. When a satellite sends out signals, they can be affected by various factors such as atmospheric conditions, interference from other signals, and the distance between the satellite and the receiver. A well-designed ground receiver is equipped with advanced technology to minimize these disruptions and enhance the quality of the received signal.One of the most common types of ground receivers is the satellite dish, which consists of a parabolic reflector that focuses incoming signals onto a feed horn. This feed horn then converts the signals into a format that can be processed by a decoder or a computer. The design of the dish is critical; it must be accurately positioned to align with the satellite to ensure optimal signal reception. This alignment process is often referred to as 'pointing' the dish, and it requires precise calculations based on the geographical location of the receiver and the orbit of the satellite.In recent years, the evolution of technology has led to the development of more sophisticated ground receivers. For instance, phased array antennas are becoming increasingly popular due to their ability to electronically steer the beam without the need for mechanical movement. This innovation allows for faster and more reliable communication, especially in mobile applications where the receiver may be in motion, such as on ships or aircraft.Furthermore, ground receivers are not limited to just receiving signals. Many modern systems also incorporate features that allow them to send information back to the satellite, creating a two-way communication link. This capability is essential for services like satellite internet, where data needs to flow in both directions.The importance of ground receivers extends beyond commercial uses; they are also vital in scientific research and environmental monitoring. For example, weather satellites rely on ground receivers to collect data about atmospheric conditions, which can then be analyzed to predict weather patterns and climate changes. Similarly, remote sensing satellites use ground receivers to gather information about land use, vegetation, and natural resources, contributing to sustainable development efforts worldwide.In conclusion, the role of a ground receiver in modern communication cannot be overstated. As technology continues to advance, these devices will become even more integral to our daily lives, enabling us to access information and communicate across vast distances seamlessly. Understanding how ground receivers work and their significance in various fields can help us appreciate the complex systems that support our interconnected world.

在电信和卫星通信领域，术语ground receiver指的是接收来自卫星或其他空中源发射信号的设备。这些设备在确保从太空发送的信息能够有效地在地球上利用方面发挥着至关重要的作用。ground receiver的功能在电视广播、互联网数据传输甚至军事通信等各种应用中都是至关重要的。ground receiver的主要目的是捕获通过大气传播的电磁信号。当卫星发出信号时，这些信号可能会受到多种因素的影响，例如大气条件、其他信号的干扰以及卫星与接收器之间的距离。设计良好的ground receiver配备了先进的技术，以最小化这些干扰并增强接收信号的质量。最常见的ground receiver类型之一是卫星天线，它由一个抛物面反射器组成，该反射器将入射信号聚焦到馈线喇叭上。这个馈线喇叭然后将信号转换为可以被解码器或计算机处理的格式。天线的设计至关重要；它必须准确定位以与卫星对齐，以确保最佳信号接收。这个对齐过程通常被称为“指向”天线，它需要根据接收器的地理位置和卫星的轨道进行精确计算。近年来，技术的演变导致了更复杂的ground receivers的发展。例如，相控阵天线因其能够在不需要机械移动的情况下电子引导波束而变得越来越流行。这一创新使得通信更快、更可靠，尤其是在接收器可能处于运动状态的移动应用中，例如在船舶或飞机上。此外，ground receivers不仅限于接收信号。许多现代系统还结合了允许它们将信息发送回卫星的功能，创建双向通信链路。这种能力对于卫星互联网等服务至关重要，因为数据需要双向流动。ground receivers的重要性不仅限于商业用途；它们在科学研究和环境监测中也至关重要。例如，气象卫星依赖于ground receivers收集有关大气条件的数据，然后可以分析这些数据以预测天气模式和气候变化。类似地，遥感卫星使用ground receivers收集有关土地使用、植被和自然资源的信息，为全球可持续发展努力做出贡献。总之，ground receiver在现代通信中的角色不可小觑。随着技术的不断进步，这些设备将变得更加融入我们的日常生活，使我们能够无缝地访问信息并跨越广阔的距离进行交流。了解ground receivers的工作原理及其在各个领域的重要性，可以帮助我们欣赏支持我们互联世界的复杂系统。