amplitude modulation noise

简明释义

爹噪声

英英释义

例句

1.During the experiment, we observed that amplitude modulation noise affected the signal-to-noise ratio significantly.

在实验过程中，我们观察到幅度调制噪声显著影响了信噪比。

2.Engineers are working to reduce amplitude modulation noise in the communication system to improve clarity.

工程师们正在努力减少通信系统中的幅度调制噪声以提高清晰度。

3.To achieve better sound quality, the team implemented filters to minimize amplitude modulation noise.

为了获得更好的音质，团队实施了滤波器以最小化幅度调制噪声。

4.The radio station experienced significant amplitude modulation noise during the storm, causing interruptions in the broadcast.

在暴风雨期间，电台经历了显著的幅度调制噪声，导致广播中断。

5.The quality of the audio was compromised due to excessive amplitude modulation noise from nearby machinery.

由于附近机器产生过多的幅度调制噪声，音频质量受到影响。

作文

Amplitude modulation (AM) is a technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. In this process, the amplitude of the carrier wave is varied in proportion to the waveform being sent. However, one of the challenges that arise in AM transmission is the presence of amplitude modulation noise, which can significantly affect the quality of the received signal. This type of noise occurs due to various factors, including atmospheric conditions, interference from other electronic devices, and even the inherent limitations of the transmission equipment itself.Understanding amplitude modulation noise is crucial for engineers and technicians working in the field of telecommunications. It can degrade the clarity of audio signals, leading to distortion and loss of important information. For instance, when listening to an AM radio station, a listener might notice static or crackling sounds, which are manifestations of amplitude modulation noise. These disturbances can be particularly problematic in areas with high electromagnetic activity or where multiple signals overlap.To mitigate the effects of amplitude modulation noise, several strategies can be employed. One approach is to enhance the design of the transmission equipment to minimize susceptibility to external noise sources. This could involve using better shielding materials or improving the filtering processes that clean up the signal before it is transmitted.Another method involves optimizing the placement of antennas and transmitters to reduce interference from surrounding electronics. For example, placing an AM transmitter away from large metal structures can help in reducing reflections and distortions caused by amplitude modulation noise. Additionally, using digital signal processing techniques can help in identifying and filtering out noise from the desired signal, thus improving overall transmission quality.In summary, amplitude modulation noise presents a significant challenge in the realm of AM communication. Its impact on signal quality cannot be underestimated, as it affects both the clarity of audio transmissions and the reliability of data communication. By understanding the sources and effects of amplitude modulation noise, professionals in telecommunications can develop more effective methods to enhance signal integrity and provide clearer, more reliable communication channels. As technology continues to evolve, addressing these challenges will be vital for maintaining the efficacy of AM transmission systems, ensuring that they remain a viable option for communication in the future.

幅度调制（AM）是一种用于电子通信的技术，最常用于通过无线电载波传输信息。在这个过程中，载波的幅度根据所发送的波形进行变化。然而，在AM传输中出现的一个挑战是存在幅度调制噪声，这可能会显著影响接收信号的质量。这种噪声的产生是由于多种因素，包括大气条件、其他电子设备的干扰，甚至是传输设备本身的固有限制。理解幅度调制噪声对于在电信领域工作的工程师和技术人员至关重要。它可能会降低音频信号的清晰度，导致失真和重要信息的丢失。例如，当听众收听AM广播电台时，可能会注意到静电或爆裂声，这些都是幅度调制噪声的表现。这些干扰在电磁活动较高或多个信号重叠的区域尤为严重。为了减轻幅度调制噪声的影响，可以采用几种策略。一种方法是增强传输设备的设计，以最小化对外部噪声源的敏感性。这可能涉及使用更好的屏蔽材料或改善清理信号的过滤过程，在信号传输之前进行处理。另一种方法是优化天线和发射器的放置，以减少周围电子设备的干扰。例如，将AM发射器放置在远离大型金属结构的地方，可以帮助减少由幅度调制噪声引起的反射和失真。此外，使用数字信号处理技术可以帮助识别并过滤掉噪声，从而改善整体传输质量。总之，幅度调制噪声在AM通信领域构成了重大挑战。它对信号质量的影响不可小觑，因为它影响音频传输的清晰度和数据通信的可靠性。通过理解幅度调制噪声的来源和影响，电信专业人员可以开发出更有效的方法来增强信号完整性，并提供更清晰、更可靠的通信渠道。随着技术的不断发展，解决这些挑战对于保持AM传输系统的有效性至关重要，确保它们在未来仍然是通信的可行选择。