spectrogram

简明释义

英[ˈspektrəʊɡræm]美[ˈspektrəˌɡræm]

n. 光谱图；声谱图；光谱照片

英英释义

单词用法

同义词

反义词

例句

1.The adsorption between the fibre and chitosan was also confirmed through the analysis of the SEM photos and the infrared spectrogram.

通过电镜照片分析和红外光谱分析表明壳聚糖和二乙酸纤维表面发生了物理吸附并可能伴有化学交联作用。

2.A programming design which can be used for drawing speech 3-d spectrogram on PC computer is introduced.

介绍在通用PC机上实现语音三维语谱绘图软件的设计方法。

3.Using the instrument for the transmission loss of single mode of winding birefringence optical fiber, the spectrogram of loss and the graph of mode density are obtained.

利用检测单模双折射光纤弯曲传输损耗装置测绘了光纤的弯曲损耗图及光纤弯曲传输模式图。

4.Some disease group showed distinct features in their spectrogram, correlogram and sonogram.

部分喉疾病组的频谱或相关曲线，以及声图具有较为特征性表现。

5.A spectrogram based on PC is presented.

介绍了一种基于PC的语图仪。

6.The analysis results of several cases show that the method using these parameters are better than the conventional one such as spectrogram parameters on veracity.

初步临床应用结果表明，该方法具有比传统的声谱参数准确性高的优点。

7.The vibration spectrogram is one information form of the vibration and manifests the mechanical change of running status in the vibration information reflection.

振动谱图则是振动的体现形式之一，是机械运行状态的变化在振动信息中的反映。

8.This paper covers the basic principle of infrared spectrum technology, expression of infrared spectrogram, as well as the advantages and disadvantages of this analytical method.

简要介绍了红外光谱分析技术的基本原理、红外吸收光谱的表示法及分析技术的优缺点。

9.In this section, we reveal that the three signal operations can be distinctly described as corresponding spectrogram image transformations.

在本节中，我们会泄露三个信号操作可以清楚地描述为相应谱图图像转换。

10.In speech therapy, a spectrogram is used to visualize speech sounds for better understanding.

在语言治疗中，使用spectrogram可视化语音以便更好地理解。

11.The researcher analyzed the spectrogram to identify the frequency patterns of the sound.

研究人员分析了spectrogram以识别声音的频率模式。

12.The spectrogram revealed unexpected harmonics in the musical recording.

该spectrogram揭示了音乐录音中意想不到的谐波。

13.Acoustic engineers often rely on spectrograms to improve sound quality in recordings.

声学工程师通常依赖spectrogram来改善录音中的声音质量。

14.By examining the spectrogram, we can determine the pitch and duration of the notes played.

通过检查spectrogram，我们可以确定所演奏音符的音高和时长。

作文

In the field of sound analysis, the term spectrogram refers to a visual representation of the spectrum of frequencies in a sound signal as they vary with time. This powerful tool is widely used in various domains, including linguistics, music, and engineering. By converting sound waves into a graphical format, a spectrogram allows researchers and practitioners to observe the characteristics of sound that may not be easily detectable through listening alone.One of the most fascinating aspects of a spectrogram is its ability to illustrate how different frequencies change over time. For instance, in speech analysis, a spectrogram can reveal the subtle variations in pitch and tone that occur when a person speaks. These variations are crucial for understanding phonetics and can help linguists identify different accents or dialects. By analyzing the visual data presented in a spectrogram, researchers can gain insights into the way language is produced and perceived by listeners.In music, spectrograms are equally valuable. Musicians and sound engineers use them to analyze the frequency content of musical pieces. By examining a spectrogram, they can pinpoint specific notes, harmonics, and even the timbre of instruments. This information is essential for tasks such as mixing and mastering audio tracks, as it helps ensure that all elements of a composition blend harmoniously.Moreover, spectrograms are not limited to human-made sounds. They are also employed in the study of natural phenomena, such as animal vocalizations. For example, researchers studying bird songs can use spectrograms to analyze the frequency patterns of different species. This analysis can provide insights into communication methods among animals and how these sounds may evolve over time.The process of creating a spectrogram involves a technique called Fourier Transform, which breaks down complex sound waves into their constituent frequencies. Once the frequencies are identified, they are plotted on a graph with time on the x-axis and frequency on the y-axis, while the amplitude of each frequency is represented by varying colors or shades. This visual representation makes it easier to interpret complex sound data.In conclusion, the spectrogram is an invaluable tool in sound analysis, bridging the gap between auditory perception and visual representation. Whether in linguistics, music, or wildlife studies, spectrograms provide a deeper understanding of sound and its various dimensions. As technology continues to advance, the applications of spectrograms are likely to expand further, opening new avenues for research and exploration in the fascinating world of sound.

在声音分析领域，术语spectrogram指的是声音信号频率谱随时间变化的视觉表示。这一强大的工具被广泛应用于语言学、音乐和工程等多个领域。通过将声波转换为图形格式，spectrogram使研究人员和从业者能够观察到听觉上可能不易察觉的声音特征。spectrogram最迷人的一个方面是它能够展示不同频率如何随时间变化。例如，在语音分析中，spectrogram可以揭示一个人说话时音调和音色的微妙变化。这些变化对于理解语音学至关重要，可以帮助语言学家识别不同的口音或方言。通过分析spectrogram中呈现的视觉数据，研究人员可以深入了解语言是如何产生和被听众感知的。在音乐中，spectrogram同样具有重要价值。音乐家和音响工程师使用它们来分析音乐作品的频率内容。通过检查spectrogram，他们可以准确定位特定音符、谐波，甚至乐器的音色。这些信息对于混音和母带制作等任务至关重要，因为它有助于确保作品中的所有元素和谐融合。此外，spectrograms并不限于人造声音。它们也被用于研究自然现象，例如动物的发声。例如，研究鸟鸣的研究人员可以使用spectrograms来分析不同物种的频率模式。这种分析可以提供关于动物之间沟通方式的见解，以及这些声音如何随着时间的推移而演变。创建spectrogram的过程涉及一种称为傅里叶变换的技术，该技术将复杂的声波分解为其组成频率。一旦识别出频率，它们就会在图表上绘制，x轴表示时间，y轴表示频率，而每个频率的幅度则通过不同的颜色或阴影表示。这种视觉表示使得解释复杂的声音数据变得更加容易。总之，spectrogram是声音分析中不可或缺的工具，架起了听觉感知与视觉表示之间的桥梁。无论是在语言学、音乐还是野生动物研究中，spectrograms都提供了对声音及其各种维度的更深入理解。随着技术的不断进步，spectrograms的应用可能会进一步扩展，为研究和探索声音的迷人世界开辟新的途径。