quarterwave length

简明释义

四分之一波长

英英释义

例句

1.To create a dipole antenna, you need to calculate the quarterwave length 四分之一波长 for each side.

要创建一个偶极子天线，您需要计算每一侧的quarterwave length 四分之一波长。

2.The antenna is designed to operate at a frequency corresponding to a quarterwave length 四分之一波长 of the signal.

该天线设计用于在与信号的quarterwave length 四分之一波长相对应的频率下工作。

3.The design of this filter utilizes a quarterwave length 四分之一波长 resonator for better performance.

该滤波器的设计利用了一个quarterwave length 四分之一波长谐振器以获得更好的性能。

4.In RF engineering, a quarterwave length 四分之一波长 matching transformer can help improve power transfer.

在射频工程中，quarterwave length 四分之一波长 匹配变压器可以帮助提高功率传输。

5.The quarterwave length 四分之一波长 stub is used to eliminate unwanted signals in the circuit.

该quarterwave length 四分之一波长 阻抗匹配器用于消除电路中的不必要信号。

作文

In the field of physics and engineering, particularly in wave theory, the concept of quarterwave length is crucial for understanding how waves behave. A quarterwave length refers to a distance that is one-fourth of the wavelength of a given wave. This phenomenon is particularly significant in the study of acoustics, optics, and electromagnetic waves. To grasp the importance of quarterwave length, it is essential to first understand what a wavelength is. The wavelength is the distance between successive peaks or troughs of a wave. It is typically denoted by the Greek letter lambda (λ). Therefore, a quarterwave length would be represented mathematically as λ/4.One of the most practical applications of the quarterwave length principle is in the design of antennas. Antennas are devices that transmit and receive electromagnetic waves, and their efficiency can be significantly enhanced by using elements that are designed to resonate at specific frequencies. For instance, a dipole antenna can be made more effective by ensuring its length is equal to a half or a quarterwave length of the frequency it is intended to transmit or receive. This means that if an antenna is designed to operate at a frequency of 300 MHz, its quarterwave length would be approximately 25 centimeters, making it a compact and efficient design.The quarterwave length also plays a critical role in acoustic engineering, especially in the design of musical instruments and sound systems. For example, in wind instruments like flutes or clarinets, the length of the air column within the instrument can determine the pitch of the sound produced. By adjusting the length to be a quarterwave length of the desired frequency, musicians can achieve specific notes. This principle ensures that the sound waves resonate effectively within the instrument, allowing for better sound quality and projection.Moreover, the concept of quarterwave length is not limited to physical structures. It is also applicable in various fields of science and technology, including telecommunications, where signal integrity is paramount. In fiber optics, for example, the use of quarterwave length phase shifters can enhance the performance of optical devices by managing the phase of light waves traveling through the fiber. This optimization leads to improved data transmission rates and reduced signal loss.In conclusion, the quarterwave length is a fundamental concept that spans multiple disciplines, from physics and engineering to music and telecommunications. Its applications are vast and varied, demonstrating the interconnectedness of different fields of study. Understanding the significance of quarterwave length not only enhances our comprehension of wave behavior but also allows us to innovate and improve technologies that rely on these principles. As we continue to explore and expand our knowledge in these areas, the importance of mastering concepts like quarterwave length will only grow, paving the way for future advancements and discoveries.

在物理和工程领域，特别是在波动理论中，quarterwave length的概念对于理解波的行为至关重要。quarterwave length指的是一个波长的四分之一的距离。这个现象在声学、光学和电磁波的研究中尤为重要。要理解quarterwave length的重要性，首先需要了解什么是波长。波长是指波的连续峰或谷之间的距离。通常用希腊字母λ表示。因此，quarterwave length可以用数学公式表示为λ/4。quarterwave length原理的一个实际应用是在天线的设计中。天线是传输和接收电磁波的设备，通过使用设计为特定频率共振的元件，可以显著提高其效率。例如，偶极子天线可以通过确保其长度等于它所要传输或接收的频率的半个或quarterwave length来变得更有效。这意味着如果天线被设计为在300 MHz的频率下工作，其quarterwave length将大约为25厘米，从而使其成为一种紧凑且高效的设计。quarterwave length在声学工程中也发挥着关键作用，特别是在乐器和音响系统的设计中。例如，在长笛或单簧管等管乐器中，乐器内的空气柱的长度可以决定产生的声音的音高。通过将长度调整为所需频率的quarterwave length，音乐家可以达到特定的音符。这个原理确保了声波在乐器内有效共振，从而提高了音质和音量。此外，quarterwave length的概念并不限于物理结构。它还适用于科学和技术的各个领域，包括电信，其中信号完整性至关重要。在光纤中，例如，使用quarterwave length相位移器可以通过管理在光纤中传播的光波的相位来增强光学设备的性能。这种优化提高了数据传输速率，减少了信号损失。总之，quarterwave length是一个基本概念，跨越多个学科，从物理学和工程学到音乐和电信。它的应用广泛而多样，展示了不同研究领域之间的相互联系。理解quarterwave length的重要性不仅增强了我们对波动行为的理解，还使我们能够创新和改善依赖于这些原理的技术。随着我们继续探索和扩展在这些领域的知识，掌握像quarterwave length这样的概念的重要性只会增加，为未来的进步和发现铺平道路。