power signal-to-noise ratio

简明释义

功率信噪比

英英释义

The power signal-to-noise ratio (PSNR) is a measurement used in engineering and telecommunications to quantify the level of a desired signal relative to the level of background noise. It is typically expressed in decibels (dB) and indicates how much stronger the signal is compared to the noise.

功率信噪比(PSNR)是工程和电信中用于量化所需信号相对于背景噪声水平的测量。通常以分贝(dB)表示,指示信号相对于噪声的强度差。

例句

1.In wireless communication, a high power signal-to-noise ratio 功率信噪比 ensures clearer transmission of data.

在无线通信中,高的功率信噪比 功率信噪比确保数据传输更清晰。

2.Engineers often measure the power signal-to-noise ratio 功率信噪比 to evaluate the performance of audio equipment.

工程师通常测量功率信噪比 功率信噪比来评估音频设备的性能。

3.The power signal-to-noise ratio 功率信噪比 is crucial for ensuring reliable satellite communications.

对于确保可靠的卫星通信来说,功率信噪比 功率信噪比至关重要。

4.To improve the power signal-to-noise ratio 功率信噪比, we need to enhance the transmitter's output power.

要提高功率信噪比 功率信噪比,我们需要增强发射器的输出功率。

5.A low power signal-to-noise ratio 功率信噪比 can lead to distortion in the received signals.

功率信噪比 功率信噪比可能导致接收信号失真。

作文

In the realm of communication systems and signal processing, one of the most critical metrics is the power signal-to-noise ratio. This term refers to the measure of the strength of a desired signal compared to the background noise that interferes with its transmission. The power signal-to-noise ratio is often expressed in decibels (dB) and plays a vital role in determining the quality and reliability of a communication channel. A higher power signal-to-noise ratio indicates a clearer and more distinguishable signal, while a lower ratio suggests that the noise is overpowering the signal, leading to potential loss of information.Understanding the implications of the power signal-to-noise ratio is essential for engineers and technicians working in fields such as telecommunications, audio engineering, and broadcasting. For instance, in wireless communications, maintaining a high power signal-to-noise ratio is crucial for ensuring that messages are transmitted without distortion or loss. In practical terms, this means that the transmitter must be powerful enough to send a strong signal while minimizing the noise introduced by the environment, such as electromagnetic interference or other competing signals.The significance of the power signal-to-noise ratio extends beyond mere technical specifications; it also impacts user experience. In everyday life, we encounter various devices that rely on effective signal processing, from mobile phones to Wi-Fi routers. When the power signal-to-noise ratio is optimal, users enjoy clear calls, uninterrupted streaming, and fast internet connections. Conversely, when the ratio is low, users may experience dropped calls, buffering videos, or slow downloads, which can lead to frustration and dissatisfaction.To improve the power signal-to-noise ratio, several strategies can be employed. One common approach is to enhance the signal strength through better antennas or transmitters. Additionally, employing advanced signal processing techniques, such as filtering and modulation, can help reduce noise and improve the overall quality of the signal. Engineers may also consider the physical environment, as obstacles like buildings and trees can affect signal propagation. By analyzing these factors, they can design systems that maximize the power signal-to-noise ratio for optimal performance.Moreover, the power signal-to-noise ratio is not static; it can vary depending on different conditions. For example, during peak usage times, networks may become congested, leading to a decrease in the power signal-to-noise ratio as more users share the available bandwidth. Understanding these dynamics allows service providers to implement measures that mitigate these issues, such as upgrading infrastructure or optimizing network management practices.In conclusion, the power signal-to-noise ratio is a fundamental concept in the field of signal processing and communication systems. Its importance cannot be overstated, as it directly influences the clarity and reliability of transmitted information. By focusing on enhancing the power signal-to-noise ratio, engineers and technicians can significantly improve user experiences across various technologies. As our reliance on communication systems continues to grow, understanding and optimizing this crucial metric will remain a priority in the industry.

在通信系统和信号处理领域,最关键的指标之一是功率信噪比。这个术语指的是所需信号的强度与干扰其传输的背景噪声的比较。功率信噪比通常以分贝(dB)表示,并在确定通信通道的质量和可靠性方面发挥着至关重要的作用。更高的功率信噪比表示信号更加清晰且易于区分,而较低的比率则表明噪声压倒了信号,可能导致信息丢失。理解功率信噪比的含义对于在电信、音频工程和广播等领域工作的工程师和技术人员至关重要。例如,在无线通信中,保持高功率信噪比对于确保信息无失真或丢失地传输至关重要。在实际操作中,这意味着发射器必须足够强大,以便发送强信号,同时尽量减少环境引入的噪声,例如电磁干扰或其他竞争信号。功率信噪比的重要性不仅仅体现在技术规格上;它还影响用户体验。在日常生活中,我们遇到的各种依赖有效信号处理的设备,从手机到Wi-Fi路由器。当功率信噪比达到最佳时,用户可以享受清晰的通话、不中断的流媒体和快速的互联网连接。相反,当比率较低时,用户可能会经历掉线、视频缓冲或下载缓慢,这可能导致挫败感和不满。为了提高功率信噪比,可以采用几种策略。一种常见的方法是通过更好的天线或发射器增强信号强度。此外,采用先进的信号处理技术,如滤波和调制,可以帮助减少噪声并改善信号的整体质量。工程师还可能考虑物理环境,因为建筑物和树木等障碍物会影响信号传播。通过分析这些因素,他们可以设计出最大化功率信噪比的系统,以实现最佳性能。此外,功率信噪比并不是静态的;它可能会根据不同条件而变化。例如,在高峰使用时间段,网络可能会变得拥挤,从而导致功率信噪比下降,因为更多用户共享可用带宽。理解这些动态使服务提供商能够实施减轻这些问题的措施,例如升级基础设施或优化网络管理实践。总之,功率信噪比是信号处理和通信系统领域的一个基本概念。其重要性不容小觑,因为它直接影响传输信息的清晰度和可靠性。通过专注于提高功率信噪比,工程师和技术人员可以显著改善各类技术中的用户体验。随着我们对通信系统的依赖不断增长,理解和优化这一关键指标将继续成为行业的优先事项。

相关单词

ratio

ratio详解:怎么读、什么意思、用法