phase distortion

简明释义

相位失真

英英释义

Phase distortion refers to the alteration of the phase relationship between different frequency components of a signal, which can lead to changes in the waveform shape and affect the perceived sound quality.

相位失真是指信号中不同频率成分之间相位关系的改变,这可能导致波形形状的变化并影响感知的音质。

例句

1.To minimize phase distortion, we used a high-quality microphone during the live performance.

为了最小化相位失真,我们在现场演出中使用了高质量的麦克风。

2.The speaker explained how phase distortion can lead to interference in radio signals.

演讲者解释了如何导致无线电信号干扰的相位失真

3.The team conducted experiments to analyze the effects of phase distortion on different audio formats.

团队进行了实验,以分析相位失真对不同音频格式的影响。

4.The audio engineer noticed significant phase distortion in the recording, which affected the overall sound quality.

音频工程师注意到录音中存在明显的相位失真,这影响了整体音质。

5.In digital signal processing, phase distortion can cause noticeable artifacts in the output.

在数字信号处理中,相位失真可能会在输出中产生明显的伪影。

作文

Phase distortion is a term often encountered in the fields of physics and engineering, particularly in signal processing and telecommunications. It refers to the alteration of the phase relationship between different frequency components of a signal as it passes through a system or medium. This phenomenon can lead to various undesirable effects, especially in audio and communication systems. Understanding phase distortion (相位失真) is crucial for engineers and technicians who strive for high fidelity in sound reproduction and accurate data transmission.In audio engineering, phase distortion (相位失真) can occur when an audio signal is processed by equipment that does not maintain the original phase relationships of the sound waves. This can happen in equalizers, compressors, and other audio effects. When the phase of certain frequencies is altered, it can lead to a muddy or unclear sound, where individual instruments become indistinguishable. For instance, if a guitar and a vocal track are recorded together, and the phase of the guitar is shifted, it may interfere with the clarity of the vocals. Thus, audio engineers must be vigilant about maintaining phase integrity during recording and mixing processes.In telecommunications, phase distortion (相位失真) can cause significant issues in the transmission of signals over long distances. When a signal is transmitted, it is composed of multiple frequencies. If the phase of these frequencies is distorted, it can result in data loss or corruption. This is particularly critical in digital communications, where the precise timing of signal transitions carries information. Any phase distortion can lead to errors in data interpretation, which can severely impact the performance of communication systems.To mitigate the effects of phase distortion (相位失真), engineers employ various techniques. One common approach is to use linear phase filters, which are designed to process signals without altering their phase relationships. These filters ensure that all frequency components are delayed by the same amount of time, preserving the integrity of the original signal. While these filters can be effective, they often come with trade-offs in terms of computational complexity and potential latency.Another strategy involves the careful design of audio and communication equipment to minimize phase distortion (相位失真). For example, using high-quality components and ensuring proper circuit layout can help maintain phase accuracy. Additionally, regular testing and calibration of equipment can identify and rectify any phase issues before they affect the final output.In conclusion, phase distortion (相位失真) is a critical concept in both audio engineering and telecommunications. Its impact on sound quality and data integrity cannot be underestimated. For professionals in these fields, a deep understanding of how to manage and mitigate phase distortion (相位失真) is essential for achieving optimal results. By employing appropriate techniques and technologies, engineers can ensure that the signals they work with remain true to their original form, leading to clearer audio and more reliable communication systems.

相关单词

phase

phase详解:怎么读、什么意思、用法