noise spectrum

简明释义

噪声谱

英英释义

A representation of the distribution of power or intensity of noise across different frequencies.

噪声在不同频率上功率或强度分布的表示。

It is often used in signal processing to analyze and characterize the noise present in a system.

它常用于信号处理,以分析和表征系统中存在的噪声。

例句

1.To reduce interference, we need to adjust the noise spectrum 噪声频谱 in our setup.

为了减少干扰,我们需要调整我们设置中的噪声频谱 噪声频谱

2.Understanding the noise spectrum 噪声频谱 is crucial for improving the performance of communication systems.

理解噪声频谱 噪声频谱对于提高通信系统的性能至关重要。

3.The noise spectrum 噪声频谱 can reveal important information about the system's stability.

噪声频谱 噪声频谱可以揭示有关系统稳定性的重要信息。

4.The engineer analyzed the noise spectrum 噪声频谱 of the audio signal to identify unwanted frequencies.

工程师分析了音频信号的噪声频谱 噪声频谱以识别不需要的频率。

5.The research focused on the noise spectrum 噪声频谱 generated by different electronic devices.

该研究集中在不同电子设备产生的噪声频谱 噪声频谱上。

作文

In the realm of signal processing and telecommunications, understanding the concept of noise spectrum is crucial for engineers and researchers. The term noise spectrum refers to the distribution of noise power over a range of frequencies. It is an essential aspect when analyzing and designing systems that involve the transmission and reception of signals. Noise can originate from various sources, including electronic components, environmental factors, and even cosmic phenomena. Therefore, characterizing the noise spectrum allows us to identify how different frequencies contribute to the overall noise in a system.When we talk about noise in a communication system, it is important to distinguish between different types of noise. For instance, thermal noise, which arises from the random motion of electrons in a conductor, has a specific noise spectrum that is typically flat across a wide range of frequencies. On the other hand, shot noise, which occurs due to the discrete nature of electric charge, also has its unique characteristics in terms of the noise spectrum it produces. By analyzing these distinct noise spectra, engineers can better understand how to mitigate their effects on signal integrity.One of the key applications of studying the noise spectrum is in the design of filters. Filters are used to eliminate unwanted frequencies from a signal. By knowing the noise spectrum, engineers can design filters that specifically target the problematic frequency ranges where noise is most prevalent. This process not only improves the quality of the transmitted signal but also enhances the overall performance of the communication system.Moreover, the concept of noise spectrum extends beyond telecommunications. In fields such as audio engineering and environmental monitoring, understanding the noise spectrum can help in creating better sound systems and assessing noise pollution levels. For example, in audio engineering, the noise spectrum of a recording can reveal unwanted background noises that may need to be filtered out during the mixing process. Similarly, environmental scientists can analyze the noise spectrum of sounds in natural habitats to study the impact of human activity on wildlife.In conclusion, the noise spectrum is a fundamental concept that plays a significant role in various fields, including telecommunications, audio engineering, and environmental science. By comprehensively understanding the noise spectrum, professionals can develop more efficient systems and solutions to minimize the adverse effects of noise. As technology continues to advance, the importance of accurately analyzing and interpreting the noise spectrum will only grow, making it a vital area of study for future innovations.

在信号处理和电信领域,理解噪声谱的概念对于工程师和研究人员至关重要。术语噪声谱指的是噪声功率在一系列频率上的分布。这是分析和设计涉及信号传输和接收的系统时的重要方面。噪声可以来自各种来源,包括电子元件、环境因素甚至宇宙现象。因此,表征噪声谱使我们能够识别不同频率如何对系统中的整体噪声作出贡献。当我们谈论通信系统中的噪声时,区分不同类型的噪声是很重要的。例如,热噪声是由导体中电子的随机运动引起的,通常在宽频范围内具有特定的噪声谱,而射击噪声是由于电荷的离散性质而发生的,也有其独特的噪声谱特征。通过分析这些不同的噪声谱,工程师可以更好地理解如何减轻它们对信号完整性的影响。研究噪声谱的一个关键应用是在滤波器的设计中。滤波器用于消除信号中的不必要频率。通过了解噪声谱,工程师可以设计专门针对噪声最严重的频率范围的滤波器。这一过程不仅改善了传输信号的质量,还增强了通信系统的整体性能。此外,噪声谱的概念超越了电信。在音频工程和环境监测等领域,理解噪声谱可以帮助创建更好的音响系统和评估噪声污染水平。例如,在音频工程中,录音的噪声谱可以揭示在混音过程中可能需要过滤掉的背景噪声。同样,环境科学家可以分析自然栖息地中声音的噪声谱,以研究人类活动对野生动物的影响。总之,噪声谱是一个基本概念,在电信、音频工程和环境科学等多个领域中发挥着重要作用。通过全面理解噪声谱,专业人员可以开发出更高效的系统和解决方案,以最小化噪声的不利影响。随着技术的不断进步,准确分析和解释噪声谱的重要性只会增加,使其成为未来创新的重要研究领域。

相关单词

noise

noise详解:怎么读、什么意思、用法

spectrum

spectrum详解:怎么读、什么意思、用法