travelling-wave amplifier

简明释义

行波管放大器

英英释义

例句

1.Researchers are developing a new type of travelling-wave amplifier for better signal processing.

研究人员正在开发一种新型的行波放大器以实现更好的信号处理。

2.The travelling-wave amplifier is widely used in satellite communications due to its high efficiency.

由于其高效率，行波放大器被广泛应用于卫星通信中。

3.The design of the travelling-wave amplifier allows for low noise operation, which is crucial in sensitive applications.

行波放大器的设计允许低噪声操作，这在敏感应用中至关重要。

4.Engineers often prefer using a travelling-wave amplifier in microwave applications for its wide bandwidth.

工程师们通常在微波应用中选择使用行波放大器，因为它具有宽带宽。

5.In fiber optic systems, the travelling-wave amplifier can significantly boost the signal strength.

在光纤系统中，行波放大器可以显著增强信号强度。

作文

In the field of electronics and telecommunications, the concept of a travelling-wave amplifier is pivotal for enhancing signal strength and quality. A travelling-wave amplifier (TWA) is a type of amplifier that utilizes the principle of wave propagation to amplify signals over long distances. Unlike conventional amplifiers that may introduce distortion or noise, TWAs are designed to maintain the integrity of the signal while boosting its amplitude. This makes them particularly valuable in applications such as satellite communications, radar systems, and high-speed data transmission.The fundamental operation of a travelling-wave amplifier involves the interaction between an input signal and a wave traveling along a transmission line. The TWA consists of a series of active devices, often using semiconductor materials, which are strategically placed along the transmission line. As the input signal travels through the amplifier, it interacts with the electric fields generated by these active devices, resulting in amplification. This process is highly efficient, allowing for significant gains without the need for excessive power consumption.One of the key advantages of a travelling-wave amplifier is its ability to operate at microwave and millimeter-wave frequencies. These frequencies are essential for modern communication systems, where bandwidth and speed are critical. Traditional amplifiers may struggle to perform effectively at these higher frequencies due to limitations in their design. However, TWAs can handle these challenges, making them indispensable in advanced technological applications.Moreover, the design of a travelling-wave amplifier allows for a wide bandwidth, enabling it to amplify a range of frequencies simultaneously. This characteristic is particularly beneficial in scenarios where multi-frequency signals are present, such as in wireless communications. By effectively amplifying multiple signals without interference, TWAs contribute to clearer and more reliable communication channels.In addition to their application in communications, travelling-wave amplifiers also play a significant role in scientific research and instrumentation. For instance, they are used in particle accelerators, where precise control of electromagnetic waves is necessary for accelerating charged particles. The ability of TWAs to provide high gain and low noise makes them ideal for such sensitive applications.Despite their advantages, the implementation of a travelling-wave amplifier can be complex. The design requires careful consideration of factors such as impedance matching, stability, and thermal management. Engineers must ensure that the amplifier operates efficiently across the desired frequency range while minimizing potential issues like signal distortion or feedback oscillations.In conclusion, the travelling-wave amplifier represents a significant advancement in the field of signal amplification. Its unique approach to enhancing signal strength while preserving fidelity has made it a crucial component in various high-tech applications. As technology continues to evolve, the importance of TWAs will likely increase, paving the way for even more sophisticated communication systems and scientific advancements. Understanding the principles and applications of travelling-wave amplifiers is essential for anyone involved in electronics and telecommunications, as they will undoubtedly remain at the forefront of innovation in these fields.

在电子和电信领域，travelling-wave amplifier（行波放大器）的概念对于增强信号强度和质量至关重要。travelling-wave amplifier是一种利用波传播原理来放大长距离信号的放大器。与可能引入失真或噪声的传统放大器不同，TWAs旨在保持信号的完整性，同时增强其幅度。这使得它们在卫星通信、雷达系统和高速数据传输等应用中尤其有价值。travelling-wave amplifier的基本操作涉及输入信号与沿传输线传播的波之间的相互作用。TWA由一系列主动器件组成，通常使用半导体材料，这些器件被战略性地放置在传输线沿线。当输入信号通过放大器传播时，它与这些主动器件产生的电场相互作用，从而导致放大。这个过程效率很高，允许在不需要过多功耗的情况下实现显著增益。travelling-wave amplifier的一个主要优点是它能够在微波和毫米波频率下工作。这些频率对于现代通信系统至关重要，因为带宽和速度是关键。由于设计上的限制，传统放大器可能难以在这些更高频率下有效运行。然而，TWAs能够应对这些挑战，使其在先进技术应用中不可或缺。此外，travelling-wave amplifier的设计允许宽带宽，使其能够同时放大多个频率。这一特性在存在多频率信号的场景中尤为有利，例如在无线通信中。通过有效放大多个信号而不发生干扰，TWAs有助于提供更清晰、更可靠的通信通道。除了在通信中的应用，travelling-wave amplifiers在科学研究和仪器中也发挥着重要作用。例如，它们在粒子加速器中被使用，在那里精确控制电磁波对于加速带电粒子是必要的。TWAs提供高增益和低噪声的能力使其非常适合此类敏感应用。尽管有这些优势，实施travelling-wave amplifier可能会很复杂。设计需要仔细考虑诸如阻抗匹配、稳定性和热管理等因素。工程师必须确保放大器在所需频率范围内高效运行，同时最小化潜在的问题，如信号失真或反馈振荡。总之，travelling-wave amplifier代表了信号放大领域的重要进步。它独特的增强信号强度而保持保真度的方法使其成为各种高科技应用中的关键组件。随着技术的不断发展，TWAs的重要性可能会增加，为更复杂的通信系统和科学进步铺平道路。理解travelling-wave amplifiers的原理和应用对于任何参与电子和电信的人来说都是必不可少的，因为它们无疑将继续处于这些领域创新的前沿。