decibels with reference to milliwatt

简明释义

毫瓦分贝

英英释义

例句

1.The concert's sound system was calibrated to operate at a level of decibels with reference to milliwatt for clarity.

音乐会的音响系统被校准为在毫瓦为参考的分贝水平下工作，以确保清晰度。

2.When discussing signal strength, we often refer to decibels with reference to milliwatt to quantify the power.

在讨论信号强度时，我们通常提到以毫瓦为参考的分贝来量化功率。

3.The specifications of the microphone indicate its sensitivity in decibels with reference to milliwatt.

麦克风的规格表明其灵敏度以毫瓦为参考的分贝表示。

4.The audio engineer measured the sound levels in decibels with reference to milliwatt to ensure optimal performance.

音频工程师测量了以毫瓦为参考的分贝来确保最佳性能。

5.In telecommunications, signal loss is often expressed in decibels with reference to milliwatt.

在电信中，信号损失通常以毫瓦为参考的分贝表示。

作文

Understanding sound levels is crucial in various fields, from audio engineering to telecommunications. One of the most common ways to express sound intensity is through the use of decibels (dB). However, to fully grasp what decibels mean, it is important to understand the reference point used in their calculation. This is where the phrase decibels with reference to milliwatt comes into play. In this essay, I will explore the significance of this phrase and its application in measuring sound intensity.Decibels are a logarithmic unit used to quantify the ratio of a particular sound level to a reference level. When we say decibels with reference to milliwatt, we are specifically referring to the measurement of sound power relative to one milliwatt (mW) of power. This reference point is essential because it provides a standardized way to compare different sound levels. For instance, when we measure the power of an audio signal, we often express it in terms of dBm, which stands for decibels relative to one milliwatt. This allows engineers and technicians to communicate more effectively about sound levels and ensure consistency across different devices and applications.The use of decibels with reference to milliwatt is particularly prevalent in the field of telecommunications. In this industry, understanding signal strength is vital for maintaining quality communication. By using this measurement, professionals can determine whether a signal is strong enough to be transmitted without significant loss of quality. For example, a signal measured at 0 dBm indicates that it is equal to one milliwatt, while a signal at -10 dBm means it is one-tenth of a milliwatt. This system allows for quick assessments of signal strength, which is critical in troubleshooting and optimizing communication networks.Moreover, in audio engineering, the concept of decibels with reference to milliwatt is equally important. Musicians and sound engineers often work with various audio equipment, and understanding how to measure sound levels accurately can significantly impact the quality of a recording or live performance. By using this reference point, they can ensure that the sound produced is within acceptable limits, preventing distortion and ensuring clarity.In addition to practical applications, the concept of decibels with reference to milliwatt also highlights the importance of standardization in measurements. Without a common reference point, comparing sound levels across different contexts would be challenging. The use of milliwatts as a reference ensures that everyone in the industry is on the same page, facilitating collaboration and innovation.In conclusion, the phrase decibels with reference to milliwatt plays a crucial role in understanding sound intensity and signal strength in various fields. It provides a standardized way to measure and communicate sound levels, making it easier for professionals to work together and maintain high-quality standards. Whether in telecommunications or audio engineering, mastering this concept is essential for anyone involved in sound-related industries. By understanding the significance of this phrase, we can better appreciate the complexities of sound measurement and the technology that relies on it.

理解声音水平在多个领域中至关重要，从音频工程到电信。表达声强的最常用方法之一是使用分贝（dB）。然而，要充分理解分贝的含义，重要的是要了解其计算中使用的参考点。这就是短语以毫瓦为参考的分贝的意义所在。在这篇文章中，我将探讨这个短语的重要性及其在测量声强中的应用。分贝是一种对数单位，用于量化特定声级与参考水平的比率。当我们说以毫瓦为参考的分贝时，我们特别指的是相对于一毫瓦（mW）功率的声功率测量。这个参考点至关重要，因为它提供了一种标准化的方法来比较不同的声级。例如，当我们测量音频信号的功率时，我们通常会用dBm表示，即相对于一毫瓦的分贝。这使得工程师和技术人员能够更有效地沟通声级，并确保不同设备和应用之间的一致性。在电信行业中，使用以毫瓦为参考的分贝尤为普遍。在这个行业中，理解信号强度对于保持通信质量至关重要。通过使用这一测量，专业人员可以确定信号是否足够强，以便在不显著损失质量的情况下进行传输。例如，测得0 dBm的信号表示其等于一毫瓦，而-10 dBm的信号则意味着其为十分之一毫瓦。这一系统允许快速评估信号强度，这在故障排除和优化通信网络中至关重要。此外，在音频工程中，以毫瓦为参考的分贝的概念同样重要。音乐家和声音工程师通常使用各种音频设备，准确测量声级的能力可以显著影响录音或现场表演的质量。通过使用这一参考点，他们可以确保产生的声音在可接受范围内，从而防止失真并确保清晰度。除了实际应用之外，以毫瓦为参考的分贝的概念还突出了测量标准化的重要性。如果没有一个共同的参考点，在不同上下文中比较声级将是具有挑战性的。以毫瓦作为参考确保了行业中的每个人都在同一页面上，促进了协作和创新。总之，短语以毫瓦为参考的分贝在理解声强和信号强度方面扮演着关键角色。它提供了一种标准化的方式来测量和交流声级，使专业人员能够更轻松地合作并保持高质量标准。无论是在电信还是音频工程中，掌握这一概念对于任何参与声相关行业的人来说都是必不可少的。通过理解这个短语的重要性，我们可以更好地欣赏声音测量的复杂性以及依赖于它的技术。