field strength
简明释义
场强
英英释义
Field strength refers to the intensity of a physical field, such as an electric or magnetic field, measured at a specific point in space. | 场强是指在特定空间点上测量的物理场(如电场或磁场)的强度。 |
例句
1.The engineer measured the field strength to ensure the antenna was functioning properly.
工程师测量了场强以确保天线正常工作。
2.A higher field strength is necessary to achieve better signal clarity.
更高的场强是实现更好信号清晰度所必需的。
3.In this experiment, we will analyze the effect of field strength on particle movement.
在这个实验中,我们将分析场强对粒子运动的影响。
4.The field strength of the magnetic field was found to be too weak for the desired application.
发现该磁场的场强对于所需应用来说过于微弱。
5.Adjusting the field strength can improve the performance of the wireless communication system.
调整场强可以提高无线通信系统的性能。
作文
In the realm of physics and engineering, the concept of field strength plays a crucial role in understanding various phenomena related to electromagnetic fields and forces. Field strength refers to the intensity of an electric or magnetic field at a given point in space. It is often measured in volts per meter (V/m) for electric fields and teslas (T) for magnetic fields. The significance of field strength extends beyond theoretical discussions; it has practical implications in numerous applications, such as telecommunications, medical imaging, and even in our everyday electronic devices.One of the most common contexts in which we encounter field strength is in the design and functioning of capacitors and inductors. Capacitors store electrical energy and their performance is heavily influenced by the field strength between their plates. A higher field strength can lead to a greater energy storage capacity, but it also increases the risk of dielectric breakdown, where the insulating material fails, causing a short circuit. Understanding the limits of field strength is essential for engineers to ensure the reliability and safety of electronic circuits.In addition to capacitors, field strength is a critical factor in the operation of transformers and electric motors. Transformers rely on the principle of electromagnetic induction, where a changing magnetic field strength induces an electric current in a nearby conductor. The efficiency of this process is directly related to the field strength produced by the coils of the transformer. Similarly, electric motors convert electrical energy into mechanical energy through the interaction of magnetic fields. The field strength generated within the motor's coils determines its torque and overall performance.Moreover, the study of field strength is vital in the field of telecommunications. Radio waves, which are used for broadcasting signals, are essentially electromagnetic waves that propagate through space. The strength of these fields diminishes with distance, which is why antennas need to be strategically placed to maintain signal quality. Engineers must calculate the field strength at various distances to ensure that communication systems function effectively without interference from obstacles or other signals.In medical applications, particularly in MRI (Magnetic Resonance Imaging), field strength is a key parameter. Higher field strength MRI machines provide clearer and more detailed images of the human body, enabling better diagnosis and treatment planning. However, they also come with increased costs and require more advanced technology to operate safely. Patients may also experience different levels of comfort depending on the field strength used during the scanning process.In summary, field strength is a fundamental concept that underpins many technologies and scientific principles. Its importance cannot be overstated, as it affects everything from the design of electronic components to the effectiveness of medical imaging techniques. As technology continues to advance, a deeper understanding of field strength will be essential for innovation and improving existing systems. Whether in the classroom or in practical applications, grasping the nuances of field strength will empower future generations of engineers and scientists to push the boundaries of what is possible.
在物理和工程领域,场强的概念在理解与电磁场和力相关的各种现象中起着至关重要的作用。场强是指在空间某一点上电场或磁场的强度。通常用伏特每米(V/m)来测量电场,用特斯拉(T)来测量磁场。场强的重要性超越了理论讨论;它在众多应用中具有实际意义,例如电信、医学成像,甚至在我们日常的电子设备中。我们最常遇到场强的上下文之一是电容器和电感器的设计和功能。电容器储存电能,其性能受到板间场强的影响。较高的场强可以导致更大的能量储存能力,但也增加了介质击穿的风险,即绝缘材料失效,导致短路。理解场强的极限对工程师来说至关重要,以确保电子电路的可靠性和安全性。除了电容器,场强在变压器和电动机的运行中也是一个关键因素。变压器依赖于电磁感应原理,其中变化的磁场强在附近导体中感应出电流。这个过程的效率与变压器线圈产生的场强直接相关。同样,电动机通过磁场的相互作用将电能转化为机械能。电动机线圈中产生的场强决定了其扭矩和整体性能。此外,场强的研究在电信领域至关重要。无线电波用于广播信号,本质上是通过空间传播的电磁波。这些场的强度随着距离的增加而减小,这就是为什么天线需要战略性地放置以维持信号质量。工程师必须计算不同距离的场强,以确保通信系统有效运作而不受障碍物或其他信号的干扰。在医学应用中,尤其是在MRI(磁共振成像)中,场强是一个关键参数。更高的场强 MRI机器提供更清晰、更详细的人体图像,从而使得更好的诊断和治疗计划成为可能。然而,它们也伴随着更高的成本,并且需要更先进的技术来安全操作。患者在扫描过程中可能会根据使用的场强体验不同程度的舒适感。总之,场强是一个基本概念,支撑着许多技术和科学原理。其重要性不容小觑,因为它影响从电子元件设计到医学成像技术的有效性等各个方面。随着技术的不断进步,更深入地理解场强将对创新和改善现有系统至关重要。无论是在课堂上还是在实际应用中,掌握场强的细微差别将使未来一代工程师和科学家能够推动可能性的边界。
相关单词