mean frequency

简明释义

中频

英英释义

例句

1.The mean frequency 平均频率 of train arrivals is crucial for scheduling.

火车到达的平均频率 mean frequency 对于调度至关重要。

2.The mean frequency 平均频率 of social media posts increased significantly over the last year.

社交媒体帖子发布的平均频率 mean frequency 在过去一年中显著增加。

3.In the study, researchers calculated the mean frequency 平均频率 of heartbeats during exercise.

在这项研究中，研究人员计算了运动期间心跳的平均频率 mean frequency 。

4.To improve engagement, we need to analyze the mean frequency 平均频率 of our email campaigns.

为了提高参与度，我们需要分析我们的电子邮件活动的平均频率 mean frequency 。

5.The data analysis revealed that the mean frequency 平均频率 of customer purchases was twice a month.

数据分析显示，客户购买的平均频率 mean frequency 是每月两次。

作文

The concept of mean frequency is essential in various fields, including statistics, signal processing, and even music theory. In essence, the mean frequency refers to the average frequency of a set of data points, which can help us understand patterns and behaviors within that dataset. For example, in the realm of signal processing, engineers often analyze various signals to determine their characteristics. By calculating the mean frequency, they can identify the dominant frequencies present in the signal, which is crucial for tasks such as filtering and noise reduction.In statistics, the mean frequency serves as an important measure when dealing with frequency distributions. When researchers collect data, they often categorize it into frequency tables, showing how often certain values occur. The mean frequency provides a summary statistic that helps convey the central tendency of the data, allowing researchers to make informed decisions based on their findings.Furthermore, in the context of music, understanding the mean frequency can help composers and musicians create more harmonious and appealing sounds. Each musical note corresponds to a specific frequency, and by analyzing the mean frequency of a collection of notes, musicians can gain insights into the overall tonal quality of their compositions.To illustrate the importance of mean frequency, consider a simple example involving a set of sound waves. Suppose we have three sound waves with frequencies of 300 Hz, 600 Hz, and 900 Hz. To find the mean frequency, we would add these frequencies together and divide by the number of waves. This calculation would yield a mean frequency of 600 Hz, which indicates the average pitch of the combined sound waves. Understanding this average frequency can help sound engineers mix audio tracks effectively, ensuring that the final product is balanced and pleasant to the ear.Moreover, the concept of mean frequency extends beyond just numerical data; it can also be applied to qualitative research. Researchers often analyze interview transcripts or open-ended survey responses to identify common themes or sentiments. By determining the mean frequency of certain keywords or phrases, they can quantify the prevalence of particular ideas, providing valuable insights into public opinion or consumer behavior.In conclusion, the notion of mean frequency is a powerful tool across multiple disciplines. Whether in the analysis of signals, statistical data, musical compositions, or qualitative research, calculating the mean frequency allows individuals to uncover trends, make informed decisions, and enhance their understanding of complex systems. As we continue to navigate a world rich in data and information, mastering the concept of mean frequency will undoubtedly remain a valuable skill for professionals and enthusiasts alike.

“平均频率”这一概念在统计学、信号处理甚至音乐理论等多个领域中都至关重要。简单来说，平均频率指的是一组数据点的平均频率，这可以帮助我们理解该数据集中的模式和行为。例如，在信号处理领域，工程师通常分析各种信号以确定其特征。通过计算平均频率，他们可以识别信号中存在的主导频率，这对于过滤和噪声减少等任务至关重要。在统计学中，平均频率作为处理频率分布的重要测量指标。当研究人员收集数据时，他们通常会将数据分类为频率表，显示某些值出现的频率。平均频率提供了一个汇总统计量，有助于传达数据的集中趋势，使研究人员能够根据发现做出明智的决策。此外，在音乐的背景下，理解平均频率可以帮助作曲家和音乐家创作出更和谐、更悦耳的声音。每个音符对应于特定的频率，通过分析一组音符的平均频率，音乐家可以获得对其作品整体音调质量的洞察。为了说明平均频率的重要性，考虑一个涉及声波的简单例子。假设我们有三条声波，其频率分别为300 Hz、600 Hz和900 Hz。要找到平均频率，我们需要将这些频率相加并除以声波的数量。这个计算会得出600 Hz的平均频率，这表示组合声波的平均音高。理解这个平均频率可以帮助音响工程师有效地混合音轨，确保最终产品平衡且悦耳。此外，平均频率的概念不仅限于数值数据；它也可以应用于定性研究。研究人员经常分析访谈记录或开放式调查回复，以识别常见主题或情感。通过确定某些关键词或短语的平均频率，他们可以量化特定思想的普遍性，从而提供对公众舆论或消费者行为的宝贵洞察。总之，平均频率的概念是多个学科中的强大工具。无论是在信号分析、统计数据、音乐作品还是定性研究中，计算平均频率使个人能够发现趋势、做出明智的决策，并增强对复杂系统的理解。随着我们继续在丰富的数据和信息的世界中导航，掌握平均频率的概念无疑将成为专业人士和爱好者的重要技能。