carrier generator

简明释义

载频振荡器

英英释义

例句

1.The carrier generator 载波发生器 is used in radar systems to transmit and receive signals.

在雷达系统中使用载波发生器 carrier generator 来发送和接收信号。

2.The carrier generator 载波发生器 is essential for modulating signals in communication systems.

在通信系统中，载波发生器 carrier generator 对于信号调制至关重要。

3.In radio broadcasting, the carrier generator 载波发生器 produces the main signal that carries audio content.

在广播中，载波发生器 carrier generator 产生承载音频内容的主信号。

4.A malfunctioning carrier generator 载波发生器 can lead to poor signal quality in wireless communications.

故障的载波发生器 carrier generator 可能导致无线通信中的信号质量差。

5.Engineers use a carrier generator 载波发生器 to create a stable frequency for testing equipment.

工程师使用载波发生器 carrier generator 为测试设备创建稳定的频率。

作文

In the field of telecommunications and signal processing, the term carrier generator refers to a device or circuit that produces a continuous wave signal, known as a carrier wave. This carrier wave is essential for modulating information signals, such as audio or video, allowing them to be transmitted over various media, including radio waves, fiber optics, or electrical cables. The concept of a carrier generator is fundamental to understanding how modern communication systems operate. To elaborate, a carrier generator typically generates a high-frequency sine wave that can be modulated by lower frequency signals. Modulation is the process of varying one or more properties of the carrier wave, such as its amplitude, frequency, or phase, to encode the information being sent. For instance, in Amplitude Modulation (AM), the amplitude of the carrier wave changes in accordance with the information signal, while in Frequency Modulation (FM), it is the frequency that varies. The importance of a carrier generator cannot be overstated. Without it, transmitting information over distances would be impractical. The carrier wave allows the information signal to be effectively sent over long distances, overcoming obstacles such as interference and attenuation that can degrade the signal quality. In essence, the carrier generator acts as a bridge between the information signal and the transmission medium. In the context of radio broadcasting, for example, radio stations utilize carrier generators to create the necessary carrier waves for their broadcasts. The generated carrier wave is then modulated with audio signals from music or talk shows, enabling listeners to receive these broadcasts on their radios. Similarly, in television broadcasting, carrier generators are used to transmit video and audio signals, ensuring that viewers can enjoy a seamless viewing experience. Moreover, advancements in technology have led to the development of sophisticated carrier generators that offer improved performance and versatility. These modern devices can generate multiple carrier frequencies simultaneously, making them suitable for applications such as multiplexing, where several signals are combined and transmitted over a single channel. This capability significantly enhances the efficiency of communication systems, allowing for better utilization of available bandwidth. Additionally, the role of carrier generators extends beyond traditional broadcasting. In the realm of digital communications, they are integral to various modulation schemes used in wireless networks, such as Wi-Fi and cellular networks. These systems rely on carrier generators to create the necessary carrier waves that facilitate data transmission between devices. As data rates continue to increase, the demand for advanced carrier generators capable of handling higher frequencies and more complex modulation techniques will only grow. In conclusion, the carrier generator is a vital component in the world of telecommunications, enabling the transmission of information across various platforms. Its ability to produce stable and reliable carrier waves underpins many modern communication technologies, making it an essential subject of study for engineers and technicians alike. Understanding the functionality and application of carrier generators provides valuable insight into the workings of the communication systems we rely on every day.

在电信和信号处理领域，术语载波发生器指的是一种产生连续波信号的设备或电路，这种信号被称为载波波。载波波对于调制信息信号（例如音频或视频）至关重要，使其能够通过各种媒介（包括无线电波、光纤或电缆）进行传输。理解载波发生器的概念对于理解现代通信系统的运作是基本的。进一步讲，载波发生器通常生成高频正弦波，可以通过较低频率的信号进行调制。调制是改变载波波一个或多个特性的过程，例如其幅度、频率或相位，以编码所发送的信息。例如，在幅度调制（AM）中，载波波的幅度根据信息信号变化，而在频率调制（FM）中，则是频率发生变化。载波发生器的重要性不容小觑。如果没有它，信息的远距离传输将变得不切实际。载波波使信息信号能够有效地跨越长距离传输，克服干扰和衰减等障碍，这些障碍可能会降低信号质量。从本质上讲，载波发生器充当了信息信号与传输媒介之间的桥梁。在广播电台的背景下，例如，广播电台利用载波发生器来创建其广播所需的载波波。生成的载波波随后与来自音乐或谈话节目的音频信号进行调制，使听众能够在收音机上接收到这些广播。类似地，在电视广播中，载波发生器用于传输视频和音频信号，确保观众可以享受无缝的观看体验。此外，技术的进步导致了复杂的载波发生器的开发，这些设备提供了更好的性能和多功能性。这些现代设备能够同时生成多个载波频率，使其适合于多路复用等应用，在这种情况下，几个信号被组合并通过单一通道传输。这种能力显著提高了通信系统的效率，使可用带宽得到更好的利用。此外，载波发生器的作用超出了传统广播。在数字通信领域，它们在无线网络（如Wi-Fi和蜂窝网络）中使用的各种调制方案中是不可或缺的。这些系统依赖于载波发生器来创建必要的载波波，以促进设备之间的数据传输。随着数据速率的不断提高，对能够处理更高频率和更复杂调制技术的先进载波发生器的需求只会增加。总之，载波发生器是电信世界中的一个重要组成部分，使信息能够跨越各种平台进行传输。它产生稳定可靠的载波波的能力支撑着许多现代通信技术，使其成为工程师和技术人员研究的基本主题。理解载波发生器的功能和应用为我们日常依赖的通信系统的工作原理提供了宝贵的见解。