modulated continuous wave

简明释义

调制连续波

英英释义

例句

1.In telecommunications, a modulated continuous wave (调制连续波) can be used to transmit data over long distances efficiently.

在电信中，modulated continuous wave（调制连续波）可以有效地用于长距离数据传输。

2.Satellite communication relies on a modulated continuous wave (调制连续波) for stable signal transmission.

卫星通信依赖于modulated continuous wave（调制连续波）进行稳定的信号传输。

3.In medical imaging, a modulated continuous wave (调制连续波) is often used in ultrasound technology.

在医学成像中，modulated continuous wave（调制连续波）常用于超声技术。

4.The radar system employs a modulated continuous wave (调制连续波) to detect the speed of moving objects.

雷达系统使用modulated continuous wave（调制连续波）来检测移动物体的速度。

5.The design of the transmitter includes a modulated continuous wave (调制连续波) generator for better signal quality.

发射器的设计包括一个modulated continuous wave（调制连续波）发生器，以提高信号质量。

作文

In the field of telecommunications, the term modulated continuous wave refers to a type of signal that is essential for efficient data transmission. Understanding this concept is crucial for engineers and technicians who work with communication systems. A modulated continuous wave is essentially a continuous wave signal that has been altered or modulated to carry information. This modulation can take various forms, including amplitude modulation (AM), frequency modulation (FM), or phase modulation (PM). Each of these methods has its advantages and disadvantages, depending on the specific application and the environment in which the signal is transmitted.The significance of modulated continuous wave signals lies in their ability to transmit information over long distances without significant loss of quality. For instance, in radio broadcasting, a continuous wave signal is modulated to encode audio information, allowing listeners to receive high-quality sound over vast areas. This is achieved by varying the amplitude or frequency of the wave, which encodes the audio information into the signal.Moreover, modulated continuous wave technology plays a vital role in modern wireless communication systems, including mobile phones and satellite communications. In these applications, the modulation techniques used must be robust enough to withstand various interferences and obstacles that may degrade the signal quality. Engineers often employ sophisticated algorithms to optimize the modulation process, ensuring that the transmitted data remains intact upon reception.One of the most significant advantages of using modulated continuous wave signals is their efficiency in utilizing bandwidth. Bandwidth refers to the range of frequencies available for transmitting information. By modulating a continuous wave, multiple signals can be transmitted simultaneously over the same channel without causing interference. This is particularly important in crowded frequency bands, where many users compete for limited bandwidth. Techniques such as Frequency Division Multiplexing (FDM) rely on the principles of modulated continuous wave to separate different signals within the same frequency range.Furthermore, the advent of digital communication has transformed the way modulated continuous wave signals are generated and processed. Digital modulation techniques, such as Quadrature Amplitude Modulation (QAM) and Phase Shift Keying (PSK), have emerged, allowing for even more efficient data transmission. These methods enable the encoding of multiple bits of information per symbol, significantly increasing the data rate while maintaining signal integrity.In conclusion, the concept of modulated continuous wave is fundamental to understanding modern communication technologies. Its ability to carry information efficiently over long distances makes it indispensable in various applications, from radio broadcasting to mobile communications. As technology continues to evolve, the principles behind modulated continuous wave will remain at the forefront of innovation in the telecommunications industry. Engineers and researchers will continue to explore new modulation techniques and improve existing ones to meet the ever-growing demand for faster and more reliable communication systems.

在电信领域，术语调制连续波指的是一种对于有效数据传输至关重要的信号。理解这一概念对于从事通信系统工作的工程师和技术人员来说至关重要。调制连续波本质上是一种经过改变或调制以承载信息的连续波信号。这种调制可以采取多种形式，包括幅度调制（AM）、频率调制（FM）或相位调制（PM）。每种方法都有其优缺点，具体取决于特定应用和信号传输环境的不同。调制连续波信号的重要性在于其能够在长距离内高效地传输信息而不会显著损失质量。例如，在广播中，连续波信号被调制以编码音频信息，使听众能够在广阔的区域内接收到高质量的声音。这是通过改变波的幅度或频率来实现的，从而将音频信息编码到信号中。此外，调制连续波技术在现代无线通信系统中也发挥着至关重要的作用，包括手机和卫星通信。在这些应用中，所使用的调制技术必须足够强大，以抵御可能降低信号质量的各种干扰和障碍。工程师们通常采用复杂的算法来优化调制过程，确保传输的数据在接收时保持完整。使用调制连续波信号的一个重要优势是其在利用带宽方面的效率。带宽是指可用于传输信息的频率范围。通过调制连续波，可以在同一频道上同时传输多个信号，而不会造成干扰。这在频率拥挤的频段中尤为重要，因为许多用户竞争有限的带宽。频分复用（FDM）等技术依赖于调制连续波的原理，在相同频率范围内分离不同的信号。此外，数字通信的出现改变了调制连续波信号的生成和处理方式。诸如正交幅度调制（QAM）和相位移键控（PSK）等数字调制技术应运而生，使得数据传输更加高效。这些方法使每个符号能够编码多个比特的信息，从而在保持信号完整性的同时显著提高数据速率。总之，调制连续波的概念对于理解现代通信技术至关重要。其高效地在长距离内承载信息的能力使其在从广播到移动通信的各种应用中不可或缺。随着技术的不断发展，调制连续波背后的原理将继续处于电信行业创新的前沿。工程师和研究人员将继续探索新的调制技术并改进现有技术，以满足对更快和更可靠的通信系统日益增长的需求。