low noise receiver

简明释义

低噪声接收机

英英释义

例句

1.For radio astronomy, a low noise receiver 低噪声接收器 is crucial for detecting faint cosmic signals.

在射电天文学中，低噪声接收器 low noise receiver 对于探测微弱的宇宙信号至关重要。

2.In satellite communications, a low noise receiver 低噪声接收器 is essential for improving signal clarity.

在卫星通信中，低噪声接收器 low noise receiver 对提高信号清晰度至关重要。

3.Using a low noise receiver 低噪声接收器 can significantly reduce the background noise in audio recordings.

使用低噪声接收器 low noise receiver可以显著减少音频录音中的背景噪声。

4.The new model of the low noise receiver 低噪声接收器 offers better sensitivity and frequency response.

新型号的低噪声接收器 low noise receiver提供更好的灵敏度和频率响应。

5.The research lab invested in a low noise receiver 低噪声接收器 to enhance their measurements of weak signals.

研究实验室投资了一台低噪声接收器 low noise receiver，以增强对微弱信号的测量。

作文

In the realm of telecommunications and signal processing, the term low noise receiver refers to a specialized device designed to receive signals with minimal added noise. This is particularly crucial in environments where signals are weak or where interference is prevalent. A low noise receiver enhances the clarity and quality of the received signals, making it an essential component in various applications such as radio astronomy, satellite communications, and wireless networks.The primary function of a low noise receiver is to amplify the incoming signal while minimizing the introduction of additional noise. Noise can significantly degrade the quality of the signal, leading to errors in data transmission and reception. Therefore, engineers and designers strive to create receivers that maintain a low noise figure, which is a measure of the receiver's ability to preserve signal integrity.One of the key aspects of a low noise receiver is its design, which often includes high-quality components that contribute to its performance. For instance, the use of low-noise transistors and amplifiers allows for better signal amplification without introducing excessive noise. Additionally, careful circuit design and layout can help reduce electromagnetic interference, further enhancing the receiver's capabilities.In practical terms, the importance of a low noise receiver can be seen in various fields. In radio astronomy, for example, astronomers rely on these receivers to detect faint signals from distant celestial objects. The ability to pick up weak signals amidst background noise is vital for gathering accurate data about the universe. Similarly, in satellite communications, a low noise receiver ensures that signals transmitted from satellites can be received clearly on Earth, enabling reliable communication services.Moreover, the advancements in technology have led to the development of more sophisticated low noise receivers. Modern receivers often incorporate digital signal processing techniques that further enhance their performance. These techniques allow for better noise filtering and signal extraction, making it possible to retrieve information that might otherwise be lost in noise. As a result, the capabilities of low noise receivers continue to evolve, providing improved performance across various applications.In conclusion, the significance of a low noise receiver cannot be overstated. Its ability to minimize noise and enhance signal quality is crucial in many technological applications. As we move forward in an increasingly connected world, the demand for effective communication systems will only grow, making the role of low noise receivers even more vital. Engineers and researchers will continue to innovate and improve upon these devices, ensuring that we can communicate effectively in a world filled with noise and interference.

在电信和信号处理领域，术语低噪声接收机指的是一种专门设计的设备，旨在以最小的附加噪声接收信号。这在信号微弱或干扰普遍的环境中尤为重要。低噪声接收机增强了接收到的信号的清晰度和质量，使其成为无线电天文学、卫星通信和无线网络等各种应用中的重要组成部分。低噪声接收机的主要功能是放大输入信号，同时最小化额外噪声的引入。噪声会显著降低信号的质量，导致数据传输和接收中的错误。因此，工程师和设计师努力创建保持低噪声指标的接收机，这是一种衡量接收机保持信号完整性的能力的标准。低噪声接收机的一个关键方面是其设计，通常包括高质量的组件，有助于其性能。例如，使用低噪声晶体管和放大器可以在不引入过多噪声的情况下实现更好的信号放大。此外，精心的电路设计和布局可以帮助减少电磁干扰，进一步增强接收机的能力。在实际应用中，低噪声接收机的重要性可以在各个领域看到。例如，在无线电天文学中，天文学家依赖这些接收机来探测来自遥远天体的微弱信号。在背景噪声中拾取微弱信号的能力对收集关于宇宙的准确数据至关重要。同样，在卫星通信中，低噪声接收机确保从卫星发出的信号能够清晰地在地球上接收，从而实现可靠的通信服务。此外，技术的进步导致了更复杂的低噪声接收机的发展。现代接收机通常结合数字信号处理技术，进一步提高其性能。这些技术允许更好的噪声过滤和信号提取，使得能够检索到可能会在噪声中丢失的信息。因此，低噪声接收机的能力不断发展，为各种应用提供了更好的性能。总之，低噪声接收机的重要性不容小觑。它最小化噪声并增强信号质量的能力在许多技术应用中至关重要。随着我们在一个越来越互联的世界中前进，对有效通信系统的需求只会增加，这使得低噪声接收机的角色变得更加重要。工程师和研究人员将继续创新和改进这些设备，确保我们能够在充满噪声和干扰的世界中有效沟通。