balanced modulator

简明释义

平衡调制器;

英英释义

例句

1.In radio frequency applications, a balanced modulator is used to suppress unwanted sidebands.

在无线电频率应用中，平衡调制器用于抑制不必要的边带。

2.The design of a balanced modulator can significantly improve the quality of the transmitted signal.

平衡调制器的设计可以显著提高传输信号的质量。

3.Engineers often use a balanced modulator in communication systems to enhance signal integrity.

工程师们经常在通信系统中使用平衡调制器来增强信号完整性。

4.The balanced modulator plays a crucial role in achieving high efficiency in RF transmitters.

平衡调制器在实现射频发射机的高效率方面发挥着关键作用。

5.A balanced modulator is essential for minimizing distortion in amplitude modulation.

平衡调制器对于最小化幅度调制中的失真是必不可少的。

作文

In the field of telecommunications, the concept of a balanced modulator plays a crucial role in the process of signal modulation. A balanced modulator is a device that combines two signals to produce a modulated output while suppressing unwanted frequency components. This is particularly important in applications such as amplitude modulation (AM), where the goal is to transmit information over radio waves without interference from other signals. The balanced modulator achieves this by using a technique known as double-sideband suppressed carrier (DSBSC) modulation.The basic principle behind a balanced modulator involves the use of two input signals: a carrier wave and a message signal. The carrier wave is typically a high-frequency signal that carries the information, while the message signal contains the actual data to be transmitted. When these two signals are combined within the balanced modulator, the result is a new signal that contains the information encoded in the message signal, but without the original carrier frequency.One of the key advantages of using a balanced modulator is its ability to reduce the power of the carrier signal, which can lead to more efficient transmission. In traditional AM systems, a significant amount of power is wasted on transmitting the carrier wave, which does not carry any information. By utilizing a balanced modulator, engineers can focus the energy on the sidebands that contain the actual information, thus optimizing the use of power and bandwidth.Moreover, the balanced modulator is designed to minimize distortion and improve the quality of the transmitted signal. This is achieved through careful circuit design and the use of specific components that ensure a high degree of linearity. As a result, the output signal from a balanced modulator maintains a clear representation of the original message signal, making it easier for receivers to decode the information accurately.In practical applications, balanced modulators are widely used in various communication systems, including television broadcasting, radio transmission, and satellite communications. Their efficiency and effectiveness make them an essential component in modern telecommunication infrastructure. Furthermore, as the demand for higher data rates and improved signal quality continues to grow, the role of balanced modulators becomes increasingly significant.In conclusion, the balanced modulator is a vital device in the realm of telecommunications, enabling the efficient transmission of information over various mediums. By suppressing the carrier frequency and focusing on the essential sidebands, it enhances both power efficiency and signal clarity. Understanding the function and importance of a balanced modulator is crucial for anyone involved in the field of electronics and communication engineering. As technology advances, the principles behind the balanced modulator will likely continue to evolve, further shaping the future of communication systems.

在电信领域，平衡调制器的概念在信号调制过程中起着至关重要的作用。平衡调制器是一种将两个信号结合以产生调制输出，同时抑制不必要频率成分的设备。这在幅度调制（AM）等应用中尤为重要，其目标是在无线电波上传输信息，而不受其他信号干扰。平衡调制器通过使用一种称为双边带抑制载波（DSBSC）调制的技术来实现这一点。平衡调制器背后的基本原理涉及使用两个输入信号：载波和消息信号。载波通常是一个高频信号，用于承载信息，而消息信号则包含要传输的实际数据。当这两个信号在平衡调制器中结合时，结果是一个新信号，该信号包含编码在消息信号中的信息，但没有原始载波频率。使用平衡调制器的一个关键优势是它能够减少载波信号的功率，这可以导致更高效的传输。在传统的AM系统中，大量功率浪费在传输载波波形上，而载波并不携带任何信息。通过利用平衡调制器，工程师可以将能量集中在包含实际信息的边带上，从而优化功率和带宽的使用。此外，平衡调制器旨在最小化失真并提高传输信号的质量。这是通过精心的电路设计和使用特定组件来确保高线性度来实现的。因此，平衡调制器的输出信号保持了对原始消息信号的清晰表示，使接收器更容易准确解码信息。在实际应用中，平衡调制器广泛用于各种通信系统，包括电视广播、无线电传输和卫星通信。它们的效率和有效性使其成为现代电信基础设施中不可或缺的组成部分。此外，随着对更高数据速率和改善信号质量的需求不断增长，平衡调制器的作用变得越来越重要。总之，平衡调制器是电信领域的重要设备，使信息能够通过各种媒介高效传输。通过抑制载波频率并专注于重要的边带，它增强了功率效率和信号清晰度。理解平衡调制器的功能和重要性对于任何参与电子和通信工程领域的人来说都是至关重要的。随着技术的发展，平衡调制器背后的原理可能会继续演变，进一步塑造通信系统的未来。