receiver noise

简明释义

接收机噪音

英英释义

例句

1.The receiver noise was analyzed to identify potential interference sources.

对接收器噪声进行了分析，以识别潜在的干扰源。

2.High levels of receiver noise can lead to poor signal quality in radio communications.

高水平的接收器噪声可能导致无线通信中的信号质量差。

3.To improve performance, the team focused on reducing receiver noise in the new design.

为了提高性能，团队专注于在新设计中减少接收器噪声。

4.The engineer measured the receiver noise to determine the sensitivity of the communication system.

工程师测量了接收器噪声以确定通信系统的灵敏度。

5.In a quiet environment, the receiver noise is minimal, allowing for clearer audio transmission.

在安静的环境中，接收器噪声很小，从而允许更清晰的音频传输。

作文

In the world of telecommunications and signal processing, understanding the concept of receiver noise is crucial for engineers and scientists alike. Receiver noise refers to the unwanted electrical signals that can interfere with the reception of desired signals in communication systems. This noise can originate from various sources, including thermal agitation in electronic components, electromagnetic interference from nearby devices, or even cosmic background radiation. As technology advances, the challenge of minimizing receiver noise becomes increasingly important to ensure clear and reliable communication.One of the primary causes of receiver noise is thermal noise, which is generated by the random motion of electrons within a conductor. This type of noise is present in all electronic devices, but its impact can vary depending on the temperature and the characteristics of the receiver. Engineers often use specialized techniques to reduce thermal noise, such as cooling components or using low-noise amplifiers that are designed to minimize the effects of this interference.Another significant contributor to receiver noise is electromagnetic interference (EMI). This occurs when external electromagnetic fields disrupt the signals being received. For instance, devices like motors, power supplies, and even fluorescent lights can generate EMI that affects nearby receivers. To combat this, shielding techniques are employed, where materials that block electromagnetic waves are used to protect sensitive components from such interference.The design of a communication system also plays a critical role in determining the level of receiver noise. For example, the choice of modulation scheme can influence how susceptible a receiver is to noise. Some modulation techniques are inherently more robust against noise than others, allowing for better performance in noisy environments. Engineers must carefully consider these factors when designing systems to ensure optimal performance under various conditions.Moreover, the impact of receiver noise extends beyond just the technical aspects; it also has practical implications for users. In everyday communication, whether through mobile phones, radios, or satellite systems, excessive receiver noise can lead to poor audio quality, dropped calls, or loss of data. This can be particularly frustrating for users who rely on these technologies for both personal and professional communication.To address the challenges posed by receiver noise, ongoing research and development are essential. Innovations in materials science, signal processing algorithms, and antenna design are continuously being explored to enhance the performance of receivers. For instance, adaptive filtering techniques can be employed to distinguish between desired signals and noise, effectively improving the clarity of the received information.In conclusion, receiver noise is a fundamental concept in the field of telecommunications that significantly impacts the quality of communication systems. By understanding its sources and effects, engineers can develop more effective strategies to minimize its impact, leading to clearer and more reliable communication. As technology continues to evolve, the importance of addressing receiver noise will only grow, making it a key area of focus for future advancements in the industry.

在电信和信号处理的世界中，理解接收器噪声的概念对工程师和科学家来说至关重要。接收器噪声是指可以干扰通信系统中所需信号接收的多余电信号。这种噪声可能来自多种来源，包括电子元件中的热运动、附近设备的电磁干扰，甚至是宇宙背景辐射。随着技术的发展，减少接收器噪声的挑战变得越来越重要，以确保清晰可靠的通信。接收器噪声的主要原因之一是热噪声，它是由导体内电子的随机运动产生的。这种类型的噪声在所有电子设备中都存在，但其影响可能因温度和接收器的特性而异。工程师通常使用专门的技术来减少热噪声，例如冷却组件或使用低噪声放大器，这些放大器旨在最小化这种干扰的影响。电磁干扰（EMI）是另一个显著的接收器噪声来源。当外部电磁场干扰接收到的信号时，就会发生这种情况。例如，电动机、电源甚至荧光灯等设备可以产生EMI，影响附近的接收器。为了解决这个问题，采用屏蔽技术，使用能够阻挡电磁波的材料来保护敏感组件免受此类干扰。通信系统的设计在决定接收器噪声水平方面也起着关键作用。例如，调制方案的选择可以影响接收器对噪声的敏感程度。有些调制技术天生对噪声更具鲁棒性，从而在嘈杂环境中实现更好的性能。工程师在设计系统时必须仔细考虑这些因素，以确保在各种条件下的最佳性能。此外，接收器噪声的影响不仅限于技术方面；它还对用户具有实际意义。在日常通信中，无论是通过手机、收音机还是卫星系统，过多的接收器噪声可能导致音质差、通话中断或数据丢失。这对于依赖这些技术进行个人和专业沟通的用户来说尤其令人沮丧。为了应对接收器噪声带来的挑战，持续的研究和开发至关重要。在材料科学、信号处理算法和天线设计等领域，正在不断探索创新，以提高接收器的性能。例如，可以采用自适应滤波技术来区分所需信号和噪声，从而有效提高接收信息的清晰度。总之，接收器噪声是电信领域的一个基本概念，对通信系统的质量产生重大影响。通过理解其来源和影响，工程师可以制定更有效的策略来最小化其影响，从而实现更清晰、更可靠的通信。随着技术的不断发展，解决接收器噪声问题的重要性只会增加，使其成为未来行业进步的关键关注领域。