coefficient of coupling

简明释义

耦合系数

英英释义

例句

1.The coefficient of coupling affects the bandwidth of the coupled resonators in a filter design.

在滤波器设计中，耦合系数影响耦合谐振器的带宽。

2.The engineer calculated the coefficient of coupling to determine how efficiently the two coils were transferring energy.

工程师计算了耦合系数以确定两个线圈传输能量的效率。

3.To enhance the signal strength, we aimed to increase the coefficient of coupling between the antennas.

为了增强信号强度，我们旨在提高天线之间的耦合系数。

4.In our experiment, we measured the coefficient of coupling to optimize the performance of the RF circuit.

在我们的实验中，我们测量了耦合系数以优化射频电路的性能。

5.A higher coefficient of coupling indicates better magnetic linkage between the transformers.

更高的耦合系数表示变压器之间的磁连接更好。

作文

In the realm of electrical engineering and physics, the term coefficient of coupling refers to a crucial parameter that describes the degree of interaction between two inductors or coils. This interaction is essential in various applications, including transformers, motors, and wireless communication systems. The coefficient of coupling is a dimensionless quantity that ranges from 0 to 1, where 0 indicates no coupling and 1 indicates perfect coupling. Understanding this concept is vital for engineers and scientists who design and analyze circuits and systems that rely on electromagnetic induction.To comprehend the significance of the coefficient of coupling, one must first grasp the basics of inductance. Inductance is the property of a coil or inductor that enables it to store energy in a magnetic field when an electric current passes through it. When two inductors are placed close to each other, the magnetic field generated by one inductor can affect the other. The extent to which this occurs is quantified by the coefficient of coupling.The mathematical representation of the coefficient of coupling (denoted as k) is given by the formula:k = M / √(L1 * L2)Where M represents the mutual inductance between the two coils, and L1 and L2 are the self-inductances of each coil respectively. A higher value of k implies that a larger portion of the magnetic field produced by one inductor links with the other, leading to greater energy transfer between them.In practical terms, the coefficient of coupling plays a vital role in the design of transformers. In a transformer, two coils are magnetically coupled to transfer energy from one to the other. Engineers aim for a high coefficient of coupling to ensure efficient energy transfer, minimizing losses due to leakage flux. A transformer with a low coefficient of coupling may suffer from inefficiencies, resulting in heat generation and reduced performance.Moreover, the coefficient of coupling is also significant in wireless communication systems. In these systems, antennas are designed to couple efficiently with the electromagnetic waves they transmit and receive. A high coefficient of coupling between the antenna and the surrounding medium ensures that signals are transmitted effectively over long distances, enhancing communication quality.Additionally, the coefficient of coupling can be influenced by several factors, including the physical arrangement of the coils, their size, and the materials used. For instance, increasing the proximity of the coils typically results in a higher coefficient of coupling. Similarly, using ferromagnetic materials can enhance the coupling due to their ability to concentrate magnetic fields.In conclusion, the coefficient of coupling is a fundamental concept in the fields of electrical engineering and physics. It quantifies the interaction between inductors, affecting energy transfer in transformers and signal transmission in communication systems. By understanding and optimizing the coefficient of coupling, engineers can design more efficient and effective electrical devices, ultimately leading to advancements in technology and improved performance in various applications.

在电气工程和物理学领域，术语耦合系数指的是描述两个电感器或线圈之间相互作用程度的关键参数。这种相互作用在各种应用中至关重要，包括变压器、电动机和无线通信系统。耦合系数是一个无量纲量，范围从0到1，其中0表示没有耦合，1表示完美耦合。理解这一概念对设计和分析依赖于电磁感应的电路和系统的工程师和科学家来说至关重要。要理解耦合系数的重要性，首先必须掌握电感的基础知识。电感是线圈或电感器的一种特性，使其能够在电流通过时在磁场中储存能量。当两个电感器放置在彼此靠近的位置时，一个电感器产生的磁场可以影响另一个电感器。这种影响的程度由耦合系数量化。耦合系数（用k表示）的数学表示为：k = M / √(L1 * L2)其中M表示两个线圈之间的互感，L1和L2分别是每个线圈的自感。k值越高，意味着一个电感器产生的磁场中有更大部分与另一个电感器相连，导致它们之间的能量传递更大。在实际应用中，耦合系数在变压器的设计中扮演着重要角色。在变压器中，两个线圈通过磁耦合来传递能量。工程师们旨在实现高耦合系数以确保高效的能量传递，最小化由于漏磁通造成的损失。具有低耦合系数的变压器可能会遭受效率低下，从而导致热量产生和性能降低。此外，耦合系数在无线通信系统中也非常重要。在这些系统中，天线被设计为与其发射和接收的电磁波有效耦合。天线与周围介质之间的高耦合系数确保信号在长距离上传输有效，从而提高通信质量。此外，耦合系数还受到多个因素的影响，包括线圈的物理排列、大小和所用材料。例如，增加线圈之间的接近度通常会导致更高的耦合系数。同样，使用铁磁材料可以增强耦合，因为它们能够集中磁场。总之，耦合系数是电气工程和物理学领域的基本概念。它量化了电感器之间的相互作用，影响变压器中的能量传递以及通信系统中的信号传输。通过理解和优化耦合系数，工程师可以设计出更高效、更有效的电气设备，最终推动技术进步，提高各种应用中的性能。