carrier amplitude

简明释义

载波振幅

英英释义

例句

1.In this experiment, we will analyze how varying the carrier amplitude affects the overall transmission quality.

在这个实验中，我们将分析改变载波幅度如何影响整体传输质量。

2.The modulation of the signal is determined by the carrier amplitude.

信号的调制由载波幅度决定。

3.A higher carrier amplitude can improve the signal strength but may also increase interference.

更高的载波幅度可以提高信号强度，但也可能增加干扰。

4.The carrier amplitude must be carefully calibrated for optimal performance in wireless communication.

在无线通信中，载波幅度必须经过仔细校准以获得最佳性能。

5.Engineers often use software to simulate the effects of different carrier amplitudes on signal propagation.

工程师们常常使用软件模拟不同载波幅度对信号传播的影响。

作文

In the realm of telecommunications and signal processing, the term carrier amplitude plays a crucial role in understanding how information is transmitted over various mediums. The carrier amplitude refers to the maximum value of the amplitude of a carrier wave, which is essential for modulating signals that carry data. To grasp the significance of carrier amplitude, we must first understand what a carrier wave is. A carrier wave is a waveform that is used to transport information. It can be seen as a basic signal that is modulated to encode the data being sent. This modulation can take various forms, such as amplitude modulation (AM), frequency modulation (FM), or phase modulation (PM). Each of these methods alters the carrier wave in a specific way to convey information effectively.The carrier amplitude is particularly important in amplitude modulation, where the strength of the carrier wave is varied in proportion to the information signal. In this context, the carrier amplitude determines how much the carrier wave's amplitude changes in response to the input signal. A higher carrier amplitude allows for greater variations in the wave, which can enhance the quality and clarity of the transmitted signal. However, it is crucial to balance the carrier amplitude with other factors, such as noise and distortion, which can affect the overall performance of the communication system.Moreover, the carrier amplitude has implications in various applications, including radio broadcasting, television transmission, and even modern digital communications. For instance, in radio broadcasting, the carrier amplitude must be sufficiently high to ensure that the signal can travel long distances without significant loss of quality. If the carrier amplitude is too low, the signal may become weak and difficult to receive, leading to poor audio quality or complete signal loss.In digital communications, the concept of carrier amplitude is equally vital. Technologies like Quadrature Amplitude Modulation (QAM) utilize multiple carrier amplitudes to transmit data efficiently. By varying both the amplitude and phase of the carrier wave, QAM can transmit more bits per symbol than traditional modulation methods. This capability is crucial for high-speed internet and data services, where bandwidth efficiency is paramount.Understanding carrier amplitude also involves recognizing its relationship with power. The power of a transmitted signal is directly related to the square of the carrier amplitude. Therefore, engineers must carefully calculate the appropriate carrier amplitude to ensure that the signal maintains adequate power levels while minimizing interference and maximizing the range of transmission.In conclusion, the concept of carrier amplitude is fundamental to the field of telecommunications and signal processing. Its role in modulating signals for effective data transmission cannot be overstated. As technology continues to evolve, the importance of mastering concepts like carrier amplitude will remain critical for engineers and professionals working in this dynamic field. By understanding the nuances of carrier amplitude, we can better appreciate the complexities of communication systems that keep us connected today.

在电信和信号处理领域，术语载波幅度在理解信息如何通过各种媒介传输方面起着至关重要的作用。载波幅度指的是载波波形的最大幅度值，这对于调制携带数据的信号至关重要。要掌握载波幅度的重要性，我们首先必须了解什么是载波波形。载波波形是一种用于传输信息的波形。它可以被视为一种基本信号，通过调制来编码所发送的数据。这种调制可以采取多种形式，例如幅度调制（AM）、频率调制（FM）或相位调制（PM）。每种方法以特定方式改变载波波形，以有效地传达信息。在幅度调制中，载波幅度尤为重要，其中载波波形的强度根据信息信号的比例变化。在这种情况下，载波幅度决定了载波波形在响应输入信号时的幅度变化程度。较高的载波幅度允许波形的更大变化，这可以增强传输信号的质量和清晰度。然而，平衡载波幅度与其他因素（如噪声和失真）至关重要，这些因素会影响通信系统的整体性能。此外，载波幅度在各种应用中也具有重要意义，包括广播、电视传输甚至现代数字通信。例如，在广播中，载波幅度必须足够高，以确保信号能够在不显著损失质量的情况下传播较远的距离。如果载波幅度过低，信号可能会变得微弱且难以接收，从而导致音质差或完全丧失信号。在数字通信中，载波幅度的概念同样至关重要。像正交幅度调制（QAM）这样的技术利用多种载波幅度来高效传输数据。通过同时改变载波波形的幅度和相位，QAM可以比传统调制方法每个符号传输更多的比特。这一能力对于高速互联网和数据服务至关重要，因为带宽效率至关重要。理解载波幅度还涉及到认识其与功率的关系。传输信号的功率与载波幅度的平方直接相关。因此，工程师必须仔细计算适当的载波幅度，以确保信号保持足够的功率水平，同时最小化干扰并最大化传输范围。总之，载波幅度的概念是电信和信号处理领域的基础。它在调制信号以有效传输数据中的作用不容小觑。随着技术的不断发展，掌握像载波幅度这样的概念对在这一动态领域工作的工程师和专业人员仍然至关重要。通过理解载波幅度的细微差别，我们可以更好地欣赏维持我们今天联系的通信系统的复杂性。