excitation source

简明释义

励磁电源

英英释义

例句

1.Researchers are investigating different excitation sources to enhance the efficiency of solar cells.

研究人员正在调查不同的激发源以提高太阳能电池的效率。

2.In MRI machines, the radiofrequency pulse acts as the excitation source for the hydrogen nuclei.

在MRI机器中，无线电频率脉冲充当氢核的激发源。

3.The laser serves as the primary excitation source in this fluorescence spectroscopy experiment.

激光作为这次荧光光谱实验的主要激发源。

4.The choice of excitation source can significantly affect the results of spectroscopic measurements.

选择的激发源会显著影响光谱测量的结果。

5.In this experiment, we used a xenon lamp as the excitation source for the photoluminescence study.

在这个实验中，我们使用了氙灯作为光致发光研究的激发源。

作文

In the field of physics and engineering, the term excitation source refers to a mechanism or device that provides energy to a system to induce a certain response or behavior. This concept is crucial in various applications, including telecommunications, medical imaging, and materials science. Understanding the role of an excitation source is essential for researchers and engineers who seek to manipulate systems for specific outcomes.For instance, in the realm of spectroscopy, an excitation source might be a laser or a lamp that emits light at specific wavelengths. When this light interacts with a sample, it can excite the electrons within the atoms or molecules of the material. This excitation leads to the emission of light at different wavelengths, which can be analyzed to determine the composition and properties of the sample. Thus, the choice of an appropriate excitation source is critical, as it directly affects the quality and accuracy of the results obtained.Similarly, in the context of medical imaging, devices like MRI machines utilize strong magnetic fields and radiofrequency pulses as their excitation sources. These sources excite the hydrogen nuclei in the body, causing them to emit signals that are captured and transformed into detailed images of internal structures. The effectiveness of MRI scans largely depends on the strength and precision of the excitation source, highlighting its importance in diagnostic medicine.In telecommunications, an excitation source could be a transmitter that sends out signals through various mediums. The clarity and strength of the transmitted signal are influenced by the characteristics of the excitation source, which can include factors such as frequency, power, and modulation techniques. Engineers must carefully design these sources to ensure efficient communication and minimize interference.The significance of an excitation source extends beyond just its function; it also involves understanding the underlying principles of energy transfer and interaction within systems. For example, in the study of materials, researchers may utilize different types of excitation sources to investigate how materials respond to various forms of energy, such as thermal, mechanical, or electromagnetic. This knowledge can lead to the development of new materials with enhanced properties for applications ranging from aerospace to electronics.Moreover, as technology advances, the design and implementation of excitation sources have evolved significantly. Modern innovations include the development of tunable lasers and high-frequency oscillators that allow for more precise control over the excitation process. This flexibility enables scientists and engineers to explore a wider range of phenomena and develop novel applications in various fields.In conclusion, the term excitation source encompasses a wide array of devices and mechanisms that play a pivotal role in inducing responses in physical systems. Whether in spectroscopy, medical imaging, telecommunications, or materials science, understanding the function and characteristics of an excitation source is vital for achieving desired outcomes. As research continues to advance, the exploration of new excitation sources will undoubtedly lead to groundbreaking discoveries and innovations across multiple disciplines.

在物理和工程领域，术语激发源指的是一种机制或设备，它向系统提供能量以诱导某种响应或行为。这个概念在电信、医学成像和材料科学等各种应用中至关重要。理解激发源的作用对于希望操控系统以实现特定结果的研究人员和工程师来说是必不可少的。例如，在光谱学领域，激发源可能是发出特定波长光的激光器或灯。当这种光与样品相互作用时，它可以激发材料中的原子或分子的电子。这种激发导致以不同波长发射光，这些光可以被分析以确定样品的成分和性质。因此，选择合适的激发源至关重要，因为它直接影响所获得结果的质量和准确性。同样，在医学成像的背景下，像MRI机器这样的设备利用强磁场和射频脉冲作为其激发源。这些源激发体内的氢核，导致它们发出信号，这些信号被捕获并转化为内部结构的详细图像。MRI扫描的有效性在很大程度上取决于激发源的强度和精确性，突显了其在诊断医学中的重要性。在电信中，激发源可以是通过各种媒介发送信号的发射器。传输信号的清晰度和强度受激发源的特性影响，这些特性可以包括频率、功率和调制技术等因素。工程师必须仔细设计这些源，以确保高效通信并最小化干扰。激发源的重要性不仅限于其功能；它还涉及对能量传递和系统内相互作用基本原理的理解。例如，在材料研究中，研究人员可能利用不同类型的激发源来研究材料如何响应各种形式的能量，例如热、机械或电磁。这些知识可以导致新材料的开发，这些材料具有增强的特性，应用于从航空航天到电子产品等各个领域。此外，随着技术的进步，激发源的设计和实施也发生了显著变化。现代创新包括可调激光器和高频振荡器的发展，这些激发源允许对激发过程进行更精确的控制。这种灵活性使科学家和工程师能够探索更广泛的现象，并在各个领域开发新颖的应用。总之，术语激发源涵盖了一系列在诱导物理系统响应中发挥关键作用的设备和机制。无论是在光谱学、医学成像、电信还是材料科学中，理解激发源的功能和特性对于实现期望的结果至关重要。随着研究的持续推进，新激发源的探索无疑将引领多个学科的突破性发现和创新。