intermodulation distortion

简明释义

互掸真

英英释义

例句

1.During the test, the team observed that intermodulation distortion was particularly high at certain frequency combinations.

在测试过程中，团队观察到在某些频率组合下互调失真特别高。

2.To reduce intermodulation distortion, we need to carefully select the frequencies used in our transmission.

为了减少互调失真，我们需要仔细选择在传输中使用的频率。

3.The speaker's design aimed to minimize intermodulation distortion for a clearer audio experience.

扬声器的设计旨在最小化互调失真，以提供更清晰的音频体验。

4.The amplifier's specifications included a low intermodulation distortion rating, which is crucial for high-fidelity sound systems.

放大器的规格包括低互调失真等级，这对高保真音响系统至关重要。

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

音频工程师注意到录音中存在显著的互调失真，这影响了整体音质。

作文

Intermodulation distortion is a term commonly used in the fields of audio engineering and telecommunications. It refers to the unwanted artifacts that occur when two or more signals interact with each other, creating additional frequencies that were not present in the original signals. This phenomenon can significantly affect the quality of sound reproduction and signal clarity, making it an important aspect to consider in various applications. Understanding intermodulation distortion can help engineers and technicians design better systems that minimize these unwanted effects.To grasp the concept of intermodulation distortion, it is essential to first understand how audio signals work. When multiple audio signals are mixed together, they can combine in complex ways. Ideally, these signals should blend seamlessly without introducing any new frequencies. However, due to non-linearities in the system—such as amplifiers or speakers—new frequencies can emerge from the interaction of the original signals. These new frequencies are what we refer to as intermodulation products.For instance, if an audio system is playing two tones at frequencies of 1000 Hz and 1500 Hz, intermodulation distortion might introduce additional tones at frequencies like 500 Hz (the difference) and 2500 Hz (the sum). These additional tones can muddy the overall sound, making it less clear and enjoyable for the listener. In high-fidelity audio systems, even a small amount of intermodulation distortion can be detrimental, as audiophiles strive for the most accurate reproduction of sound possible.In telecommunications, intermodulation distortion can lead to significant issues as well. For example, in radio frequency (RF) communications, multiple signals may be transmitted simultaneously. If these signals interact within the transmission medium or equipment, intermodulation products can interfere with other channels, leading to poor communication quality and increased error rates. Engineers must carefully design their systems to minimize these distortions, often using filters and other techniques to isolate signals and reduce the chances of interaction.One common method to analyze intermodulation distortion is through the use of a test called the intermodulation distortion test, which involves sending two or more known frequencies through the system and measuring the resulting output. By examining the output spectrum, engineers can identify the presence and magnitude of intermodulation products, allowing them to assess the performance of the system and make necessary adjustments.In conclusion, intermodulation distortion is a critical factor in both audio and telecommunications engineering. Its impact on sound quality and communication clarity cannot be underestimated. As technology continues to advance, understanding and mitigating the effects of intermodulation distortion will remain a vital pursuit for engineers and technicians alike. By employing effective design strategies and testing methods, the industry can continue to improve the fidelity of audio systems and the reliability of communication networks, ultimately enhancing the user experience for everyone involved.

互调失真是一个常用于音频工程和电信领域的术语。它指的是当两个或多个信号相互作用时，产生的额外频率，这些频率在原始信号中并不存在。这种现象会显著影响声音重现的质量和信号的清晰度，因此在各种应用中都是一个重要的考虑因素。理解互调失真可以帮助工程师和技术人员设计出更好的系统，以最小化这些不必要的影响。要理解互调失真的概念，首先必须了解音频信号的工作原理。当多个音频信号混合在一起时，它们可能以复杂的方式结合在一起。理想情况下，这些信号应该无缝融合，而不会引入任何新的频率。然而，由于系统中的非线性（例如放大器或扬声器），原始信号的相互作用可能会产生新的频率。这些新频率就是我们所称之为互调产物。例如，如果一个音频系统播放两个频率为1000 Hz和1500 Hz的音调，互调失真可能会引入额外的音调，频率为500 Hz（差值）和2500 Hz（和值）。这些额外的音调可能会使整体声音变得模糊，从而降低听众的清晰度和享受程度。在高保真音频系统中，即使是少量的互调失真也可能是有害的，因为音响爱好者追求尽可能准确的声音重现。在电信领域，互调失真也可能导致显著的问题。例如，在无线电频率（RF）通信中，可能同时传输多个信号。如果这些信号在传输介质或设备中相互作用，互调产物可能会干扰其他信道，导致通信质量下降和错误率增加。工程师必须仔细设计他们的系统，以最小化这些失真，通常使用滤波器和其他技术来隔离信号，减少相互作用的机会。分析互调失真的一种常见方法是通过互调失真测试，该测试涉及将两个或多个已知频率发送通过系统并测量结果输出。通过检查输出频谱，工程师可以识别互调产物的存在和幅度，从而评估系统的性能并进行必要的调整。总之，互调失真在音频和电信工程中是一个关键因素。它对声音质量和通信清晰度的影响不容小觑。随着技术的不断进步，理解和减轻互调失真的影响将仍然是工程师和技术人员的重要追求。通过采用有效的设计策略和测试方法，行业可以继续提高音频系统的保真度和通信网络的可靠性，最终增强每个参与者的用户体验。