balanced modulator

简明释义

平衡灯器

英英释义

A balanced modulator is a type of electronic circuit that modulates a carrier signal in such a way that it suppresses the carrier frequency while allowing the sidebands to pass through, which are the frequencies that contain the actual information.

平衡调制器是一种电子电路,它以一种方式调制载波信号,从而抑制载波频率,同时允许边带通过,这些边带是包含实际信息的频率。

例句

1.Using a balanced modulator 平衡调制器 helps in reducing unwanted frequency components in the output.

使用 平衡调制器 平衡调制器 有助于减少输出中的不必要频率成分。

2.The balanced modulator 平衡调制器 is crucial for generating double-sideband amplitude modulation.

生成双边带幅度调制时,平衡调制器 平衡调制器 是至关重要的。

3.In radio communications, a balanced modulator 平衡调制器 is used to suppress the carrier signal.

在无线通信中,平衡调制器 平衡调制器 用于抑制载波信号。

4.Engineers often use a balanced modulator 平衡调制器 in their designs to ensure signal integrity.

工程师们常常在他们的设计中使用 平衡调制器 平衡调制器 来确保信号完整性。

5.The design of a balanced modulator 平衡调制器 can significantly improve the efficiency of the transmission.

平衡调制器 平衡调制器 的设计可以显著提高传输效率。

作文

In the field of electronics and communication, the term balanced modulator refers to a specific type of modulator that is used to produce amplitude modulation (AM) signals. A balanced modulator operates by combining two signals in such a way that the unwanted components are canceled out, resulting in a cleaner and more efficient output. This technique is particularly valuable in reducing interference and improving the quality of the transmitted signal.The fundamental principle behind a balanced modulator involves the use of two carrier signals that are 180 degrees out of phase with each other. When these signals are combined with the input message signal, the result is that the carrier frequency components cancel each other out, leaving behind the desired sidebands that carry the information of the message. This means that the output of a balanced modulator contains only the necessary frequency components for signal transmission, making it an essential component in modern communication systems.One of the primary applications of a balanced modulator is in single-sideband (SSB) modulation, which is widely used in radio communications. SSB is a refinement of amplitude modulation that allows for more efficient use of bandwidth and power. By eliminating one of the sidebands and the carrier, SSB transmissions can convey the same information using less power and bandwidth compared to conventional AM. The balanced modulator plays a crucial role in generating these SSB signals by ensuring that the unwanted components are effectively removed.Moreover, balanced modulators are also utilized in various audio processing applications. For instance, they can be employed in noise-canceling systems where the goal is to reduce background noise while preserving the quality of the desired audio signal. By using the principles of a balanced modulator, these systems can effectively distinguish between the noise and the intended sound, leading to a clearer listening experience.In addition to their practical applications, understanding how a balanced modulator works provides insights into the broader concepts of modulation and signal processing. Modulation is a fundamental technique in telecommunications that enables the transmission of information over various media, whether it be through radio waves, optical fibers, or other channels. The ability to manipulate signals through devices like the balanced modulator is what allows for the vast array of communication technologies we rely on today, from mobile phones to satellite communications.In conclusion, the balanced modulator is a vital component in the realm of electronics and communication, facilitating the production of high-quality modulated signals while minimizing interference. Its applications in radio communications and audio processing highlight its versatility and importance in modern technology. By grasping the function and significance of a balanced modulator, one can appreciate the intricate workings of communication systems that connect people across the globe.

在电子和通信领域,术语平衡调制器指的是用于生成幅度调制(AM)信号的一种特定类型的调制器。平衡调制器通过将两个信号结合在一起,以一种方式使不需要的成分相互抵消,从而产生更清晰、更高效的输出。这种技术在减少干扰和提高传输信号质量方面尤其有价值。平衡调制器的基本原理涉及使用两个180度相位相反的载波信号。当这些信号与输入消息信号结合时,结果是载波频率成分相互抵消,只留下携带消息信息的期望边带。这意味着平衡调制器的输出仅包含信号传输所需的频率成分,使其成为现代通信系统中的重要组成部分。平衡调制器的主要应用之一是在单边带(SSB)调制中,这在无线电通信中被广泛使用。SSB是幅度调制的一种改进,允许更有效地使用带宽和功率。通过消除一个边带和载波,SSB传输可以使用比传统AM更少的功率和带宽来传达相同的信息。平衡调制器在生成这些SSB信号中发挥着至关重要的作用,确保不必要的成分被有效去除。此外,平衡调制器还用于各种音频处理应用。例如,它们可以在降噪系统中使用,其目标是减少背景噪声,同时保持所需音频信号的质量。通过利用平衡调制器的原理,这些系统能够有效地区分噪声和预期声音,从而带来更清晰的听觉体验。除了实际应用之外,理解平衡调制器的工作原理还提供了对调制和信号处理更广泛概念的洞察。调制是电信中的一种基本技术,使信息能够通过各种媒介进行传输,无论是通过无线电波、光纤还是其他通道。通过像平衡调制器这样的设备操纵信号的能力,使我们今天依赖的各种通信技术得以实现,从手机到卫星通信。总之,平衡调制器是电子和通信领域中的一个重要组成部分,促进了高质量调制信号的产生,同时最小化干扰。它在无线电通信和音频处理中的应用突显了其在现代技术中的多功能性和重要性。通过掌握平衡调制器的功能和重要性,人们可以欣赏到连接全球人们的通信系统的复杂运作。

相关单词

balanced

balanced详解:怎么读、什么意思、用法

modulator

modulator详解:怎么读、什么意思、用法