percentage modulation

简明释义

调制百分数

英英释义

例句

1.The audio engineer explained that percentage modulation 百分比调制 is crucial for achieving the desired sound effect.

音频工程师解释说，百分比调制 percentage modulation 对于实现所需的音效至关重要。

2.The software allows users to adjust the percentage modulation 百分比调制 settings for optimal performance.

该软件允许用户调整百分比调制 percentage modulation 设置以获得最佳性能。

3.Understanding percentage modulation 百分比调制 is essential for anyone working in radio broadcasting.

理解百分比调制 percentage modulation 对于任何从事广播工作的人都是必不可少的。

4.In telecommunications, percentage modulation 百分比调制 can affect the quality of signal transmission.

在电信中，百分比调制 percentage modulation 会影响信号传输的质量。

5.The artist used percentage modulation 百分比调制 to create dynamic lighting effects in the performance.

艺术家使用了百分比调制 percentage modulation 来创造表演中的动态灯光效果。

作文

In the realm of telecommunications and signal processing, the concept of percentage modulation plays a crucial role in determining the efficiency and quality of transmitted signals. Percentage modulation refers to the extent to which a carrier wave is varied in accordance with the amplitude of the input signal. This variation is expressed as a percentage, indicating how much the carrier wave's amplitude changes relative to its unmodulated state. Understanding this concept is essential for engineers and technicians who work in fields that involve radio broadcasting, data transmission, and other forms of communication.To illustrate the importance of percentage modulation, consider a simple example of amplitude modulation (AM) used in radio broadcasting. In AM, the audio signal, which carries the information, modulates the amplitude of a higher frequency carrier wave. The degree of modulation directly affects the quality of the broadcasted sound. If the percentage modulation is too low, the transmitted audio may sound weak and unclear. Conversely, if the percentage modulation is too high, it can lead to distortion and clipping, making the audio difficult to understand.Moreover, the concept of percentage modulation is not limited to audio signals. It also applies to video transmission and digital communications. For instance, in video broadcasting, maintaining an optimal percentage modulation ensures that the picture quality remains high without excessive noise or interference. Similarly, in digital communications, the modulation schemes employed must consider percentage modulation to maximize data throughput while minimizing errors.The implications of percentage modulation extend beyond mere technical specifications; they also have practical consequences in real-world applications. For example, in mobile communications, the ability to adjust percentage modulation dynamically allows for better adaptation to varying signal conditions. When users move through different environments—such as urban areas with many obstacles or open spaces—the system can modify the percentage modulation to maintain a stable connection and ensure high-quality voice and data transmission.In conclusion, percentage modulation is a fundamental concept in telecommunications that impacts the performance and reliability of various communication systems. Its significance is evident in both analog and digital contexts, influencing everything from radio broadcasts to mobile phone calls. Engineers must pay close attention to percentage modulation levels to optimize signal quality and ensure effective communication. As technology continues to evolve, the understanding and application of percentage modulation will remain vital for advancing the field of telecommunications and improving user experiences across different platforms.

在电信和信号处理领域，百分比调制的概念在决定传输信号的效率和质量方面发挥着至关重要的作用。百分比调制是指载波波形根据输入信号的幅度变化的程度。这个变化以百分比表示，指示载波波形的幅度相对于其未调制状态的变化量。理解这一概念对于从事广播、数据传输和其他通信形式的工程师和技术人员至关重要。为了说明百分比调制的重要性，考虑一个简单的例子，即用于广播的调幅（AM）。在AM中，音频信号承载信息，它调制较高频率的载波波形的幅度。调制的程度直接影响广播声音的质量。如果百分比调制过低，传输的音频可能会显得微弱且不清晰。相反，如果百分比调制过高，则可能导致失真和削波，使音频难以理解。此外，百分比调制的概念不仅限于音频信号。它同样适用于视频传输和数字通信。例如，在视频广播中，保持最佳的百分比调制确保图像质量高，不会出现过多的噪声或干扰。同样，在数字通信中，所采用的调制方案必须考虑百分比调制，以最大化数据吞吐量，同时最小化错误。百分比调制的影响超出了单纯的技术规范；它在现实应用中也具有实际后果。例如，在移动通信中，动态调整百分比调制的能力使得系统能够更好地适应变化的信号条件。当用户在不同环境中移动时——例如有许多障碍的城市区域或开阔空间——系统可以修改百分比调制以保持稳定的连接，并确保高质量的语音和数据传输。总之，百分比调制是电信中的一个基本概念，影响着各种通信系统的性能和可靠性。它在模拟和数字环境中的重要性显而易见，影响着从广播到手机通话的所有内容。工程师必须密切关注百分比调制水平，以优化信号质量并确保有效的通信。随着技术的不断发展，对百分比调制的理解和应用将继续在推进电信领域和改善不同平台上的用户体验中发挥重要作用。