depth of modulation

简明释义

灯深度

英英释义

Depth of modulation refers to the extent to which a carrier signal is varied in amplitude, frequency, or phase by the input signal in a modulation process.

调制深度是指在调制过程中载波信号在幅度、频率或相位上被输入信号变化的程度。

例句

1.The depth of modulation 调制深度 affects how well the transmitted signal can withstand interference.

调制深度 depth of modulation影响传输信号抵抗干扰的能力。

2.A higher depth of modulation 调制深度 can lead to better audio fidelity in music transmission.

更高的调制深度 depth of modulation可以提高音乐传输的音频保真度。

3.Understanding the depth of modulation 调制深度 helps in designing more efficient communication systems.

理解调制深度 depth of modulation有助于设计更高效的通信系统。

4.The engineers adjusted the depth of modulation 调制深度 to improve the signal-to-noise ratio.

工程师们调整了调制深度 depth of modulation以改善信噪比。

5.In radio broadcasting, the depth of modulation 调制深度 is crucial for ensuring clear sound quality.

在广播中,调制深度 depth of modulation 对于确保清晰的音质至关重要。

作文

In the field of communications, especially in radio and audio engineering, one crucial concept that often arises is the depth of modulation. This term refers to the extent to which the amplitude of a carrier wave is varied in accordance with the information signal being transmitted. Understanding this concept is essential for engineers and technicians who work with various forms of modulation, including amplitude modulation (AM) and frequency modulation (FM). A higher depth of modulation indicates a greater variation in the amplitude, which can enhance the clarity and quality of the transmitted signal.To illustrate the importance of depth of modulation, consider the example of AM radio broadcasting. In AM, the audio signal, such as music or speech, is used to modulate the amplitude of a carrier wave. If the depth of modulation is too low, the resulting signal may lack sufficient variation, leading to a weak or distorted reception. Conversely, if the depth of modulation is too high, it can cause distortion and clipping, making the signal difficult to understand. Therefore, achieving the optimal depth of modulation is vital for ensuring clear and reliable communication.In practical applications, the depth of modulation can be controlled through various techniques. For instance, audio engineers may adjust the levels of the input signal before it is mixed with the carrier wave. Additionally, sophisticated equipment can be employed to monitor and regulate the depth of modulation in real-time, ensuring that the transmitted signal remains within acceptable limits.Moreover, the depth of modulation also plays a significant role in digital communications. In systems such as pulse-code modulation (PCM), the concept is adapted to represent how much the digital signal deviates from its average value. By understanding and manipulating the depth of modulation, engineers can optimize data transmission rates and improve overall system performance.In conclusion, the depth of modulation is a fundamental aspect of signal transmission in both analog and digital communications. Its effective management is crucial for maintaining the integrity and quality of the transmitted information. As technology continues to evolve, the principles behind depth of modulation will remain relevant, guiding engineers in their pursuit of clearer and more efficient communication systems. By mastering this concept, professionals in the field can contribute significantly to advancements in telecommunications and audio engineering.

在通信领域,特别是在无线电和音频工程中,一个经常出现的关键概念是调制深度。这个术语指的是载波波幅根据所传输的信息信号的变化程度。理解这个概念对于从事各种调制形式(包括幅度调制(AM)和频率调制(FM))的工程师和技术人员至关重要。更高的调制深度表示幅度的变化更大,这可以增强传输信号的清晰度和质量。为了说明调制深度的重要性,可以考虑AM广播的例子。在AM中,音频信号(如音乐或讲话)用于调制载波波的幅度。如果调制深度过低,生成的信号可能缺乏足够的变化,导致接收弱或失真。相反,如果调制深度过高,则可能会导致失真和削波,使信号难以理解。因此,实现最佳的调制深度对于确保清晰和可靠的通信至关重要。在实际应用中,可以通过各种技术来控制调制深度。例如,音频工程师可以在输入信号与载波波混合之前调整其水平。此外,可以使用复杂的设备实时监测和调节调制深度,确保传输信号保持在可接受的范围内。此外,调制深度在数字通信中也发挥着重要作用。在脉冲编码调制(PCM)等系统中,这个概念被调整为表示数字信号偏离其平均值的程度。通过理解和操控调制深度,工程师可以优化数据传输速率,提高整体系统性能。总之,调制深度是模拟和数字通信中信号传输的基本方面。有效管理其对于维护传输信息的完整性和质量至关重要。随着技术的不断发展,调制深度背后的原理将继续保持相关性,引导工程师追求更清晰、更高效的通信系统。通过掌握这一概念,行业专业人士能够为电信和音频工程的进步做出重要贡献。

相关单词

depth

depth详解:怎么读、什么意思、用法

modulation

modulation详解:怎么读、什么意思、用法