automatic amplitude control

简明释义

自动幅度控制自动调幅控制

英英释义

例句

1.The amplifier features automatic amplitude control to prevent distortion during loud passages.

该放大器具有自动幅度控制功能，以防止在高音量段出现失真。

2.The radio receiver uses automatic amplitude control to maintain a consistent audio level.

收音机接收器使用自动幅度控制来保持音频水平的一致性。

3.With automatic amplitude control, the sound system adjusts volume levels dynamically.

通过自动幅度控制，音响系统动态调整音量水平。

4.In telecommunications, automatic amplitude control is essential for clear signal transmission.

在电信中，自动幅度控制对清晰的信号传输至关重要。

5.The new software update includes automatic amplitude control for better audio quality.

新的软件更新包括自动幅度控制以提高音频质量。

作文

In the field of electronics and telecommunications, the term automatic amplitude control refers to a system designed to maintain a consistent signal amplitude despite variations in input levels. This technology is crucial for ensuring that audio and video signals remain clear and undistorted, allowing for a better user experience. The primary function of automatic amplitude control is to adjust the gain of a signal dynamically. For instance, when a singer performs at varying volumes, the automatic amplitude control system detects these fluctuations and adjusts the output accordingly, ensuring that the sound remains balanced and pleasant to the audience.One of the key benefits of automatic amplitude control is its ability to enhance the quality of communication systems. In radio broadcasting, for example, maintaining a stable signal strength is essential for delivering clear audio to listeners. If the signal fluctuates too much, it can lead to distortion or loss of clarity, which detracts from the overall listening experience. By utilizing automatic amplitude control, broadcasters can ensure that their transmission remains consistent, regardless of environmental factors that may affect signal strength.Moreover, automatic amplitude control plays a significant role in various consumer electronics, such as televisions and home theater systems. These devices often incorporate this technology to optimize sound quality. When watching a movie that features both quiet dialogue and loud action sequences, automatic amplitude control helps to balance the sound levels, preventing sudden loud noises from startling the viewer while also ensuring that softer sounds are audible.In addition to audio applications, automatic amplitude control is also utilized in video technology. For instance, in video cameras, this system can help to regulate the brightness of the image. When filming in environments with varying lighting conditions, automatic amplitude control can adjust the exposure settings to maintain a consistent image quality, making videos look more professional and visually appealing.Furthermore, the implementation of automatic amplitude control can lead to increased efficiency in various systems. By automating the adjustment of signal levels, it reduces the need for manual intervention, allowing operators to focus on other critical tasks. This automation also minimizes the risk of human error, resulting in a more reliable performance overall.Despite its numerous advantages, there are challenges associated with automatic amplitude control. For example, if the system is not properly calibrated, it may react too slowly to changes in amplitude, leading to moments of distortion. Additionally, overly aggressive automatic amplitude control can result in a loss of dynamic range, where the subtle nuances of a performance are flattened out. Therefore, it is essential for engineers and technicians to fine-tune these systems to achieve the best possible results.In conclusion, automatic amplitude control is a vital technology in modern electronics that ensures consistent signal quality across various applications. By automatically adjusting the amplitude of audio and video signals, it enhances the user experience and improves communication systems. As technology continues to advance, the importance of automatic amplitude control will only grow, making it an essential component in the design and operation of electronic devices today. Understanding and mastering this concept will undoubtedly benefit anyone interested in the fields of electronics and telecommunications.

在电子和电信领域，术语自动幅度控制指的是一种系统，旨在保持信号幅度的一致性，尽管输入水平存在变化。这项技术对于确保音频和视频信号保持清晰且没有失真至关重要，从而改善用户体验。自动幅度控制的主要功能是动态调整信号的增益。例如，当歌手以不同的音量演唱时，自动幅度控制系统会检测这些波动并相应地调整输出，确保声音保持平衡，使观众愉悦。自动幅度控制的一个关键好处是它能够增强通信系统的质量。例如，在广播电台，保持稳定的信号强度对于向听众传递清晰的音频至关重要。如果信号波动过大，可能导致失真或清晰度丧失，从而影响整体收听体验。通过利用自动幅度控制，广播公司可以确保其传输保持一致，无论环境因素如何影响信号强度。此外，自动幅度控制在各种消费电子产品中也发挥着重要作用，例如电视和家庭影院系统。这些设备通常采用此技术来优化音质。当观看包含安静对话和响亮动作场景的电影时，自动幅度控制有助于平衡音量，防止突然的响声让观众感到惊吓，同时确保较柔和的声音可听。除了音频应用，自动幅度控制还用于视频技术。例如，在摄像机中，该系统可以帮助调节图像的亮度。当在具有不同光照条件的环境中拍摄时，自动幅度控制可以调整曝光设置，以保持一致的图像质量，使视频看起来更专业和视觉上更具吸引力。此外，实施自动幅度控制可以提高各种系统的效率。通过自动调整信号水平，减少了人工干预的需要，使操作员可以专注于其他关键任务。这种自动化也最小化了人为错误的风险，从而提高整体性能的可靠性。尽管有许多优点，但与自动幅度控制相关的挑战也存在。例如，如果系统未经过适当校准，它可能对幅度变化的反应过慢，导致失真的瞬间。此外，过于激进的自动幅度控制可能导致动态范围的丧失，即表现的微妙细节被压平。因此，工程师和技术人员必须对这些系统进行微调，以获得最佳效果。总之，自动幅度控制是现代电子设备中的一项重要技术，可以确保各种应用中信号质量的一致性。通过自动调整音频和视频信号的幅度，它增强了用户体验并改善了通信系统。随着技术的不断进步，自动幅度控制的重要性只会增加，使其成为当今电子设备设计和操作中的一个基本组成部分。理解和掌握这一概念无疑将使任何对电子和电信领域感兴趣的人受益。