quarter wave

简明释义

四分之一波长

英英释义

例句

1.The design of the antenna includes a quarter wave 四分之一波长 matching section to improve efficiency.

天线的设计包含一个 quarter wave 四分之一波长 匹配部分，以提高效率。

2.The quarter wave 四分之一波长 resonator is key in many microwave applications for filtering signals.

在许多微波应用中，quarter wave 四分之一波长 谐振器是滤波信号的关键。

3.Using a quarter wave 四分之一波长 transformer can help match impedances between different circuit components.

使用 quarter wave 四分之一波长 变压器可以帮助匹配不同电路元件之间的阻抗。

4.A quarter wave 四分之一波长 dipole antenna is effective for broadcasting at specific frequencies.

一个 quarter wave 四分之一波长 偶极天线在特定频率下有效广播。

5.In optics, a quarter wave 四分之一波长 plate is used to convert linearly polarized light into circularly polarized light.

在光学中，quarter wave 四分之一波长 板用于将线性偏振光转换为圆偏振光。

作文

In the field of physics and engineering, the concept of a quarter wave plays a crucial role in understanding wave behavior and resonance. A quarter wave refers to a specific length of a wave that is one-fourth of its wavelength. This principle is particularly important in various applications, including antenna design, acoustic engineering, and optical systems. Understanding how a quarter wave functions can help engineers create more efficient devices and systems.For instance, in the design of antennas, a quarter wave antenna is a popular choice due to its simplicity and effectiveness. The length of this type of antenna is designed to be exactly one-fourth of the wavelength of the radio frequency it is intended to transmit or receive. This design allows for optimal radiation patterns and improved signal strength. When the antenna is excited, it resonates at this quarter wave length, allowing it to efficiently convert electrical energy into electromagnetic waves and vice versa.Similarly, in acoustics, the quarter wave principle is applied in the design of musical instruments and soundproofing materials. For example, the length of a pipe organ’s pipes is often calculated based on quarter wave lengths to produce specific musical notes. When air vibrates within the pipe, it creates standing waves, and the fundamental frequency corresponds to a quarter wave of the pipe’s length. This relationship between the physical dimensions of the instrument and the wavelengths of sound is essential for achieving the desired tonal quality.Moreover, in optics, the quarter wave plate is an optical device that alters the polarization state of light. It works by introducing a phase shift of quarter wave between two orthogonal polarization components of light. This phase shift can convert linearly polarized light into circularly polarized light and vice versa. The quarter wave plate is widely used in various optical applications, including liquid crystal displays (LCDs) and optical communication systems. Understanding the behavior of light at quarter wave lengths enables engineers to manipulate light for better performance in these technologies.In conclusion, the quarter wave concept is fundamental in multiple scientific and engineering disciplines. Whether in designing antennas, musical instruments, or optical devices, the principle of quarter wave lengths allows for enhanced functionality and efficiency. As technology continues to advance, the importance of understanding and applying the quarter wave principle will only grow, leading to innovative solutions and improved designs across various fields. By mastering the concept of quarter wave, engineers and scientists can push the boundaries of what is possible in technology and communication.

在物理和工程领域，quarter wave的概念在理解波动行为和共振方面起着关键作用。quarter wave指的是波长的四分之一的特定长度。这一原理在各种应用中尤为重要，包括天线设计、声学工程和光学系统。理解quarter wave的功能可以帮助工程师创造更高效的设备和系统。例如，在天线设计中，quarter wave天线因其简单性和有效性而受到广泛欢迎。这种类型的天线的长度被设计为其所要传输或接收的无线电频率的波长的四分之一。这样的设计能够实现最佳的辐射模式和增强的信号强度。当天线被激励时，它以这个quarter wave长度共振，从而高效地将电能转化为电磁波，反之亦然。同样，在声学中，quarter wave原理被应用于乐器和隔音材料的设计。例如，管风琴的管道长度通常是基于quarter wave长度来计算，以产生特定的音乐音符。当空气在管内振动时，会产生驻波，而基本频率对应于管道长度的quarter wave。这种乐器的物理尺寸与声波波长之间的关系对于实现所需的音色质量至关重要。此外，在光学中，quarter wave板是一种光学设备，可改变光的偏振状态。它通过在光的两个正交偏振分量之间引入quarter wave的相位差来工作。这个相位差可以将线性偏振光转换为圆偏振光，反之亦然。quarter wave板在各种光学应用中广泛使用，包括液晶显示器（LCD）和光通信系统。理解光在quarter wave长度下的行为使工程师能够操控光，以提高这些技术的性能。总之，quarter wave概念在多个科学和工程学科中都是基础。无论是在设计天线、乐器还是光学设备，quarter wave长度的原理都能提升功能和效率。随着技术的不断进步，理解和应用quarter wave原理的重要性只会增加，从而在各个领域带来创新解决方案和改进设计。通过掌握quarter wave的概念，工程师和科学家可以推动技术和通信的可能性边界。