decibels relative to one volt

简明释义

伏特分贝

英英释义

例句

1.The specifications for the amplifier include a rating of 20 decibels relative to one volt (以伏特为参考的分贝) for its output power.

放大器的规格包括其输出功率为20 decibels relative to one volt (以伏特为参考的分贝) 的额定值。

2.When calibrating the microphone, the technician noted the output in decibels relative to one volt (以伏特为参考的分贝).

在校准麦克风时，技术人员记录了输出值，以decibels relative to one volt (以伏特为参考的分贝)。

3.In the lab, we often express voltage levels in decibels relative to one volt (以伏特为参考的分贝) for easier comparison.

在实验室中，我们通常以decibels relative to one volt (以伏特为参考的分贝) 表达电压水平，以便更容易进行比较。

4.The audio engineer measured the signal strength in decibels relative to one volt (以伏特为参考的分贝) to ensure optimal sound quality.

音频工程师测量了信号强度，以decibels relative to one volt (以伏特为参考的分贝)，以确保最佳音质。

5.To compare different audio devices, we measure their performance in decibels relative to one volt (以伏特为参考的分贝).

为了比较不同的音频设备，我们以decibels relative to one volt (以伏特为参考的分贝) 测量它们的性能。

作文

In the world of audio engineering and electronics, understanding measurements is crucial for achieving optimal performance. One such measurement that often comes up is the concept of decibels relative to one volt, which is a way to express voltage levels in a logarithmic scale. This method of measurement provides a clearer picture of how signals compare to a reference level, specifically one volt. The importance of this measurement cannot be overstated, as it is fundamental to various applications ranging from sound systems to telecommunications.To begin with, let’s break down what decibels relative to one volt means. The decibel (dB) is a unit used to measure the intensity of sound or the power level of an electrical signal. When we say 'relative to one volt,' we are comparing the voltage of a signal to a standard reference voltage of one volt. This allows engineers to express the strength of a signal in a way that is easier to understand and communicate. For instance, if a signal measures 2 volts, it would be expressed as 6 dB relative to one volt because every doubling of voltage corresponds to an increase of approximately 6 dB.This logarithmic scale is particularly useful in audio applications. In a typical sound system, you might encounter various components that operate at different voltage levels. By using decibels relative to one volt, audio engineers can easily compare the output levels of different devices, ensuring that they work harmoniously together. For example, if a microphone outputs a signal at 0.5 volts, it would be measured as -6 dB relative to one volt. Understanding these levels helps in adjusting gains and ensuring that the final mix is balanced without distortion.Moreover, decibels relative to one volt is not only limited to audio but extends into other fields such as telecommunications. In radio frequency (RF) applications, signals are often transmitted over long distances, and maintaining signal integrity is vital. Engineers use this measurement to assess how much loss occurs during transmission. If a signal starts at 10 volts and drops to 1 volt after traveling a certain distance, the loss can be quantified in dB, providing a clear indication of performance degradation.Additionally, using decibels relative to one volt simplifies complex calculations. Instead of dealing with large numbers, engineers can work with smaller, more manageable figures. This is especially beneficial when dealing with multiple components in a system where voltage levels can vary widely. By converting these levels into decibels, it becomes much easier to visualize and manage the relationships between different signals and their respective strengths.In conclusion, the concept of decibels relative to one volt is an essential tool in the fields of audio engineering and electronics. It provides a standardized way to measure and communicate voltage levels, making it easier for professionals to design and troubleshoot systems. Whether in sound systems, telecommunications, or any other application where signal integrity is crucial, understanding this measurement will undoubtedly lead to better outcomes and enhanced performance. As technology continues to evolve, the relevance of decibels relative to one volt will remain significant, ensuring that engineers have the tools they need to succeed in their endeavors.

在音频工程和电子学的世界中，理解测量是实现最佳性能的关键。一个经常出现的测量概念是相对于一伏特的分贝，这是以对数尺度表达电压水平的一种方式。这种测量方法提供了信号与参考电平（特别是一伏特）比较的更清晰的画面。这种测量的重要性不容小觑，因为它是从音响系统到电信等各种应用的基础。首先，让我们分解一下相对于一伏特的分贝的含义。分贝（dB）是用于测量声音强度或电信号功率水平的单位。当我们说“相对于一伏特”时，我们是在将信号的电压与一伏特的标准参考电压进行比较。这使得工程师能够以更易于理解和沟通的方式表达信号的强度。例如，如果一个信号测量为2伏特，它将被表示为相对于一伏特的6 dB，因为每增加一倍的电压大约对应于6 dB的增加。这种对数尺度在音频应用中特别有用。在典型的音响系统中，您可能会遇到在不同电压水平下运行的各种组件。通过使用相对于一伏特的分贝，音频工程师可以轻松地比较不同设备的输出水平，确保它们和谐地工作。例如，如果一个麦克风输出的信号为0.5伏特，则它将被测量为相对于一伏特的-6 dB。理解这些水平有助于调整增益，确保最终混音平衡而没有失真。此外，相对于一伏特的分贝不仅限于音频，还扩展到电信等其他领域。在射频（RF）应用中，信号通常在长距离上传输，保持信号完整性至关重要。工程师使用此测量来评估在传输过程中发生的损耗。如果一个信号起始于10伏特，并在经过一定距离后降至1伏特，则损耗可以以dB量化，提供性能退化的清晰指示。此外，使用相对于一伏特的分贝简化了复杂的计算。工程师可以处理较小的、可管理的数字，而不是处理大数字。这在处理系统中多个组件时尤其有利，因为电压水平可能差异很大。通过将这些水平转换为分贝，视觉化和管理不同信号及其各自强度之间的关系变得容易得多。总之，相对于一伏特的分贝的概念是音频工程和电子学领域的重要工具。它提供了一种标准化的方法来测量和传达电压水平，使专业人员能够更轻松地设计和排除系统故障。无论是在音响系统、电信还是任何其他信号完整性至关重要的应用中，理解这一测量无疑将导致更好的结果和增强的性能。随着技术的不断发展，相对于一伏特的分贝的相关性将保持重要，确保工程师拥有成功所需的工具。