modulation noise

简明释义

灯噪声

英英释义

例句

1.The radio signal was distorted due to high levels of modulation noise 调制噪声.

由于高水平的调制噪声，无线电信号失真了。

2.To improve signal clarity, we need to minimize modulation noise 调制噪声 during transmission.

为了提高信号清晰度，我们需要在传输过程中最小化调制噪声。

3.The research focused on the impact of modulation noise 调制噪声 on data integrity.

研究集中在调制噪声对数据完整性的影响上。

4.Engineers are working on reducing modulation noise 调制噪声 in communication systems.

工程师们正在努力减少通信系统中的调制噪声。

5.The quality of the audio recording was affected by modulation noise 调制噪声 from the environment.

环境中的调制噪声影响了音频录音的质量。

作文

In the realm of telecommunications, the quality of transmitted signals is paramount. One of the significant challenges faced by engineers and technicians is the presence of various forms of noise that can distort or degrade the clarity of these signals. Among these, modulation noise plays a crucial role in affecting the performance of communication systems. Understanding modulation noise is essential for improving signal integrity and ensuring effective communication.Modulation noise refers to the unwanted variations in a signal's amplitude or frequency that occur during the modulation process. This type of noise can arise from several sources, including electronic interference, environmental factors, and even limitations inherent in the modulation technique itself. For instance, when a signal is modulated to carry information, such as voice or data, any noise introduced at this stage can lead to inaccuracies in the received signal, resulting in poor audio quality or data loss.One common scenario where modulation noise is particularly problematic is in radio communications. In this context, the modulation of radio waves is used to transmit audio signals over long distances. However, if modulation noise interferes with the transmission, listeners may experience static, distortion, or interruptions in the audio feed. This not only affects the listener's experience but can also hinder critical communications in emergency situations.To mitigate the effects of modulation noise, engineers employ various techniques. One approach is to improve the modulation schemes used in transmitting signals. For example, advanced modulation techniques like Quadrature Amplitude Modulation (QAM) can provide better resistance to noise compared to traditional methods. By utilizing more sophisticated algorithms, it becomes possible to encode information in a way that minimizes the impact of modulation noise on the overall signal quality.Another strategy involves implementing error correction codes. These codes add redundancy to the transmitted information, allowing the receiver to detect and correct errors caused by modulation noise. This is particularly important in digital communications, where maintaining data integrity is essential for applications ranging from internet browsing to streaming services.Moreover, the physical environment plays a significant role in determining the level of modulation noise experienced in a communication system. Factors such as atmospheric conditions, obstacles between the transmitter and receiver, and even the design of the communication hardware can influence the amount of noise present. Engineers must consider these variables when designing systems to ensure optimal performance.In conclusion, modulation noise is an integral aspect of signal transmission that can significantly impact communication quality. By understanding its sources and effects, engineers can develop more robust systems that enhance the clarity and reliability of transmitted information. As technology continues to advance, the challenge of managing modulation noise will remain a critical focus for those in the field of telecommunications, ensuring that communication remains clear and effective in an increasingly connected world.

在电信领域，传输信号的质量至关重要。工程师和技术人员面临的一个重大挑战是各种噪声的存在，这些噪声可能会扭曲或降低这些信号的清晰度。在这些噪声中，调制噪声在影响通信系统性能方面发挥着关键作用。理解调制噪声对于提高信号完整性和确保有效通信至关重要。调制噪声是指在调制过程中，信号的幅度或频率发生的非期望变化。这种类型的噪声可能来自多个来源，包括电子干扰、环境因素，甚至是调制技术本身固有的局限性。例如，当信号被调制以传递信息（如语音或数据）时，在此阶段引入的任何噪声都可能导致接收信号的不准确，从而导致音质差或数据丢失。在无线通信中，调制噪声尤其成问题的一个常见场景。在这种情况下，无线波的调制用于长距离传输音频信号。然而，如果调制噪声干扰了传输，听众可能会经历静电、失真或音频信号的中断。这不仅影响听众的体验，还可能在紧急情况下妨碍关键通信。为了减轻调制噪声的影响，工程师采用各种技术。一种方法是改善用于传输信号的调制方案。例如，诸如正交幅度调制（QAM）等先进调制技术相较于传统方法提供了更好的抗噪声能力。通过利用更复杂的算法，可以以最小化调制噪声对整体信号质量影响的方式编码信息。另一种策略是实施错误修正码。这些代码为传输的信息增加冗余，使接收方能够检测和纠正由于调制噪声造成的错误。这在数字通信中尤为重要，因为保持数据完整性对于从互联网浏览到流媒体服务等应用至关重要。此外，物理环境在决定通信系统中经历的调制噪声水平方面也起着重要作用。气候条件、发射器和接收器之间的障碍物，甚至通信硬件的设计等因素都可能影响噪声的量。工程师在设计系统时必须考虑这些变量，以确保最佳性能。总之，调制噪声是信号传输的一个重要方面，可能会显著影响通信质量。通过了解其来源和影响，工程师可以开发出更强大的系统，从而增强传输信息的清晰度和可靠性。随着技术的不断进步，管理调制噪声的挑战将继续成为电信领域的关键关注点，确保在日益互联的世界中通信保持清晰和有效。